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Change tests from GTest to Boost.Test. Remove Goolge.{Test,Benchmark}.

Browse Source 
Fixes #165.
This commit is contained in:
Zach Laine
2024-03-23 23:18:10 -05:00
parent 55dcb7a8ad
commit 8e39ad067b
368 changed files with 9773 additions and 130188 deletions
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7
CMakeLists.txt
View File

@@ -30,11 +30,6 @@ endif()
##################################################
include(dependencies)
find_package(PythonInterp)
if (PYTHONINTERP_FOUND)
message("-- Found Python ${PYTHON_VERSION_STRING} (${PYTHON_EXECUTABLE})")
endif ()
##################################################
# Sanitizers
@@ -51,7 +46,7 @@ endif()
##################################################
# Parser sub-library
# Parser
##################################################
add_library(parser INTERFACE)
target_include_directories(parser INTERFACE ${CMAKE_SOURCE_DIR}/include)

5
benchmark-v1.1.0/.clang-format
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@@ -1,5 +0,0 @@
---
Language: Cpp
BasedOnStyle: Google
...

46
benchmark-v1.1.0/.gitignore vendored
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@@ -1,46 +0,0 @@
*.a
*.so
*.so.?*
*.dll
*.exe
*.dylib
*.cmake
!/cmake/*.cmake
*~
*.pyc
__pycache__
# lcov
*.lcov
/lcov
# cmake files.
/Testing
CMakeCache.txt
CMakeFiles/
cmake_install.cmake
# makefiles.
Makefile
# in-source build.
bin/
lib/
/test/*_test
# exuberant ctags.
tags
# YouCompleteMe configuration.
.ycm_extra_conf.pyc
# ninja generated files.
.ninja_deps
.ninja_log
build.ninja
install_manifest.txt
rules.ninja
# out-of-source build top-level folders.
build/
_build/

22
benchmark-v1.1.0/.travis-libcxx-setup.sh
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@@ -1,22 +0,0 @@
#!/usr/bin/env bash
# Install a newer CMake version
curl -sSL https://cmake.org/files/v3.6/cmake-3.6.1-Linux-x86_64.sh -o install-cmake.sh
chmod +x install-cmake.sh
sudo ./install-cmake.sh --prefix=/usr/local --skip-license
# Checkout LLVM sources
git clone --depth=1 https://github.com/llvm-mirror/llvm.git llvm-source
git clone --depth=1 https://github.com/llvm-mirror/libcxx.git llvm-source/projects/libcxx
git clone --depth=1 https://github.com/llvm-mirror/libcxxabi.git llvm-source/projects/libcxxabi
# Build and install libc++ (Use unstable ABI for better sanitizer coverage)
mkdir llvm-build && cd llvm-build
cmake -DCMAKE_C_COMPILER=${C_COMPILER} -DCMAKE_CXX_COMPILER=${COMPILER} \
-DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_INSTALL_PREFIX=/usr \
-DLIBCXX_ABI_UNSTABLE=ON \
-DLLVM_USE_SANITIZER=${LIBCXX_SANITIZER} \
../llvm-source
make cxx -j2
sudo make install-cxxabi install-cxx
cd ../

102
benchmark-v1.1.0/.travis.yml
View File

@@ -1,102 +0,0 @@
sudo: required
dist: trusty
language: cpp
env:
global:
- /usr/local/bin:$PATH
# NOTE: The COMPILER variable is unused. It simply makes the display on
# travis-ci.org more readable.
matrix:
include:
- compiler: gcc
addons:
apt:
packages:
- lcov
env: COMPILER=g++ C_COMPILER=gcc BUILD_TYPE=Coverage
- compiler: gcc
env: COMPILER=g++ C_COMPILER=gcc BUILD_TYPE=Debug
- compiler: gcc
env: COMPILER=g++ C_COMPILER=gcc BUILD_TYPE=Release
- compiler: gcc
addons:
apt:
sources:
- ubuntu-toolchain-r-test
packages:
- g++-6
env:
- COMPILER=g++-6 C_COMPILER=gcc-6 BUILD_TYPE=Debug
- EXTRA_FLAGS="-fno-omit-frame-pointer -g -O2 -fsanitize=undefined,address -fuse-ld=gold"
- compiler: clang
env: COMPILER=clang++ C_COMPILER=clang BUILD_TYPE=Debug
- compiler: clang
env: COMPILER=clang++ C_COMPILER=clang BUILD_TYPE=Release
# Clang w/ libc++
- compiler: clang
addons:
apt:
packages:
clang-3.8
env:
- COMPILER=clang++-3.8 C_COMPILER=clang-3.8 BUILD_TYPE=Debug
- LIBCXX_BUILD=1
- EXTRA_FLAGS="-stdlib=libc++"
# Clang w/ libc++, ASAN, UBSAN
- compiler: clang
addons:
apt:
packages:
clang-3.8
env:
- COMPILER=clang++-3.8 C_COMPILER=clang-3.8 BUILD_TYPE=Debug
- LIBCXX_BUILD=1 LIBCXX_SANITIZER="Undefined;Address"
- EXTRA_FLAGS="-stdlib=libc++ -fno-omit-frame-pointer -g -O2 -fsanitize=undefined,address -fno-sanitize-recover=all"
- UBSAN_OPTIONS=print_stacktrace=1
# Clang w/ libc++ and MSAN
- compiler: clang
addons:
apt:
packages:
clang-3.8
env:
- COMPILER=clang++-3.8 C_COMPILER=clang-3.8 BUILD_TYPE=Debug
- LIBCXX_BUILD=1 LIBCXX_SANITIZER=MemoryWithOrigins
- EXTRA_FLAGS="-stdlib=libc++ -g -O2 -fno-omit-frame-pointer -fsanitize=memory -fsanitize-memory-track-origins"
# Clang w/ libc++ and MSAN
- compiler: clang
addons:
apt:
packages:
clang-3.8
env:
- COMPILER=clang++-3.8 C_COMPILER=clang-3.8 BUILD_TYPE=RelWithDebInfo
- LIBCXX_BUILD=1 LIBCXX_SANITIZER=Thread
- EXTRA_FLAGS="-stdlib=libc++ -g -O2 -fno-omit-frame-pointer -fsanitize=thread -fno-sanitize-recover=all"
before_script:
- if [ -n "${LIBCXX_BUILD}" ]; then
source .travis-libcxx-setup.sh;
fi
- mkdir build && cd build
install:
- if [ "${BUILD_TYPE}" == "Coverage" -a "${TRAVIS_OS_NAME}" == "linux" ]; then
PATH=~/.local/bin:${PATH};
pip install --user --upgrade pip;
pip install --user cpp-coveralls;
fi
script:
- cmake -DCMAKE_C_COMPILER=${C_COMPILER} -DCMAKE_CXX_COMPILER=${COMPILER} -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -DCMAKE_CXX_FLAGS="${EXTRA_FLAGS}" ..
- make
- make CTEST_OUTPUT_ON_FAILURE=1 test
after_success:
- if [ "${BUILD_TYPE}" == "Coverage" -a "${TRAVIS_OS_NAME}" == "linux" ]; then
coveralls --include src --include include --gcov-options '\-lp' --root .. --build-root .;
fi
sudo: required

115
benchmark-v1.1.0/.ycm_extra_conf.py
View File

@@ -1,115 +0,0 @@
import os
import ycm_core
# These are the compilation flags that will be used in case there's no
# compilation database set (by default, one is not set).
# CHANGE THIS LIST OF FLAGS. YES, THIS IS THE DROID YOU HAVE BEEN LOOKING FOR.
flags = [
'-Wall',
'-Werror',
'-pendantic-errors',
'-std=c++0x',
'-fno-strict-aliasing',
'-O3',
'-DNDEBUG',
# ...and the same thing goes for the magic -x option which specifies the
# language that the files to be compiled are written in. This is mostly
# relevant for c++ headers.
# For a C project, you would set this to 'c' instead of 'c++'.
'-x', 'c++',
'-I', 'include',
'-isystem', '/usr/include',
'-isystem', '/usr/local/include',
]
# Set this to the absolute path to the folder (NOT the file!) containing the
# compile_commands.json file to use that instead of 'flags'. See here for
# more details: http://clang.llvm.org/docs/JSONCompilationDatabase.html
#
# Most projects will NOT need to set this to anything; you can just change the
# 'flags' list of compilation flags. Notice that YCM itself uses that approach.
compilation_database_folder = ''
if os.path.exists( compilation_database_folder ):
database = ycm_core.CompilationDatabase( compilation_database_folder )
else:
database = None
SOURCE_EXTENSIONS = [ '.cc' ]
def DirectoryOfThisScript():
return os.path.dirname( os.path.abspath( __file__ ) )
def MakeRelativePathsInFlagsAbsolute( flags, working_directory ):
if not working_directory:
return list( flags )
new_flags = []
make_next_absolute = False
path_flags = [ '-isystem', '-I', '-iquote', '--sysroot=' ]
for flag in flags:
new_flag = flag
if make_next_absolute:
make_next_absolute = False
if not flag.startswith( '/' ):
new_flag = os.path.join( working_directory, flag )
for path_flag in path_flags:
if flag == path_flag:
make_next_absolute = True
break
if flag.startswith( path_flag ):
path = flag[ len( path_flag ): ]
new_flag = path_flag + os.path.join( working_directory, path )
break
if new_flag:
new_flags.append( new_flag )
return new_flags
def IsHeaderFile( filename ):
extension = os.path.splitext( filename )[ 1 ]
return extension in [ '.h', '.hxx', '.hpp', '.hh' ]
def GetCompilationInfoForFile( filename ):
# The compilation_commands.json file generated by CMake does not have entries
# for header files. So we do our best by asking the db for flags for a
# corresponding source file, if any. If one exists, the flags for that file
# should be good enough.
if IsHeaderFile( filename ):
basename = os.path.splitext( filename )[ 0 ]
for extension in SOURCE_EXTENSIONS:
replacement_file = basename + extension
if os.path.exists( replacement_file ):
compilation_info = database.GetCompilationInfoForFile(
replacement_file )
if compilation_info.compiler_flags_:
return compilation_info
return None
return database.GetCompilationInfoForFile( filename )
def FlagsForFile( filename, **kwargs ):
if database:
# Bear in mind that compilation_info.compiler_flags_ does NOT return a
# python list, but a "list-like" StringVec object
compilation_info = GetCompilationInfoForFile( filename )
if not compilation_info:
return None
final_flags = MakeRelativePathsInFlagsAbsolute(
compilation_info.compiler_flags_,
compilation_info.compiler_working_dir_ )
else:
relative_to = DirectoryOfThisScript()
final_flags = MakeRelativePathsInFlagsAbsolute( flags, relative_to )
return {
'flags': final_flags,
'do_cache': True
}

35
benchmark-v1.1.0/AUTHORS
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@@ -1,35 +0,0 @@
# This is the official list of benchmark authors for copyright purposes.
# This file is distinct from the CONTRIBUTORS files.
# See the latter for an explanation.
#
# Names should be added to this file as:
# Name or Organization <email address>
# The email address is not required for organizations.
#
# Please keep the list sorted.
Albert Pretorius <pretoalb@gmail.com>
Arne Beer <arne@twobeer.de>
Christopher Seymour <chris.j.seymour@hotmail.com>
David Coeurjolly <david.coeurjolly@liris.cnrs.fr>
Dominic Hamon <dma@stripysock.com>
Eric Fiselier <eric@efcs.ca>
Eugene Zhuk <eugene.zhuk@gmail.com>
Evgeny Safronov <division494@gmail.com>
Felix Homann <linuxaudio@showlabor.de>
Google Inc.
Ismael Jimenez Martinez <ismael.jimenez.martinez@gmail.com>
JianXiong Zhou <zhoujianxiong2@gmail.com>
Jussi Knuuttila <jussi.knuuttila@gmail.com>
Kaito Udagawa <umireon@gmail.com>
Lei Xu <eddyxu@gmail.com>
Matt Clarkson <mattyclarkson@gmail.com>
Nick Hutchinson <nshutchinson@gmail.com>
Oleksandr Sochka <sasha.sochka@gmail.com>
Paul Redmond <paul.redmond@gmail.com>
Radoslav Yovchev <radoslav.tm@gmail.com>
Shuo Chen <chenshuo@chenshuo.com>
Yusuke Suzuki <utatane.tea@gmail.com>
Dirac Research
Zbigniew Skowron <zbychs@gmail.com>
Dominik Czarnota <dominik.b.czarnota@gmail.com>

179
benchmark-v1.1.0/CMakeLists.txt
View File

@@ -1,179 +0,0 @@
cmake_minimum_required (VERSION 2.8.11)
project (benchmark)
foreach(p
CMP0054 # CMake 3.1
CMP0056 # export EXE_LINKER_FLAGS to try_run
)
if(POLICY ${p})
cmake_policy(SET ${p} NEW)
endif()
endforeach()
option(BENCHMARK_ENABLE_TESTING "Enable testing of the benchmark library." OFF)
option(BENCHMARK_ENABLE_LTO "Enable link time optimisation of the benchmark library." OFF)
option(BENCHMARK_USE_LIBCXX "Build and test using libc++ as the standard library." OFF)
# Make sure we can import out CMake functions
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
# Read the git tags to determine the project version
include(GetGitVersion)
get_git_version(GIT_VERSION)
# Tell the user what versions we are using
string(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" VERSION ${GIT_VERSION})
message("-- Version: ${VERSION}")
# The version of the libraries
set(GENERIC_LIB_VERSION ${VERSION})
string(SUBSTRING ${VERSION} 0 1 GENERIC_LIB_SOVERSION)
# Import our CMake modules
include(CheckCXXCompilerFlag)
include(AddCXXCompilerFlag)
include(CXXFeatureCheck)
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
# Turn compiler warnings up to 11
string(REGEX REPLACE "[-/]W[1-4]" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
# Link time optimisation
if (BENCHMARK_ENABLE_LTO)
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /GL")
set(CMAKE_STATIC_LINKER_FLAGS_RELEASE "${CMAKE_STATIC_LINKER_FLAGS_RELEASE} /LTCG")
set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /LTCG")
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} /GL")
string(REGEX REPLACE "[-/]INCREMENTAL" "/INCREMENTAL:NO" CMAKE_STATIC_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_STATIC_LINKER_FLAGS_RELWITHDEBINFO}")
set(CMAKE_STATIC_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_STATIC_LINKER_FLAGS_RELWITHDEBINFO} /LTCG")
string(REGEX REPLACE "[-/]INCREMENTAL" "/INCREMENTAL:NO" CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO}")
set(CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO} /LTCG")
string(REGEX REPLACE "[-/]INCREMENTAL" "/INCREMENTAL:NO" CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO}")
set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO} /LTCG")
set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} /GL")
set(CMAKE_STATIC_LINKER_FLAGS_MINSIZEREL "${CMAKE_STATIC_LINKER_FLAGS_MINSIZEREL} /LTCG")
set(CMAKE_SHARED_LINKER_FLAGS_MINSIZEREL "${CMAKE_SHARED_LINKER_FLAGS_MINSIZEREL} /LTCG")
set(CMAKE_EXE_LINKER_FLAGS_MINSIZEREL "${CMAKE_EXE_LINKER_FLAGS_MINSIZEREL} /LTCG")
endif()
else()
# Try and enable C++11. Don't use C++14 because it doesn't work in some
# configurations.
add_cxx_compiler_flag(-std=c++11)
if (NOT HAVE_CXX_FLAG_STD_CXX11)
add_cxx_compiler_flag(-std=c++0x)
endif()
# Turn compiler warnings up to 11
add_cxx_compiler_flag(-Wall)
add_cxx_compiler_flag(-Wextra)
add_cxx_compiler_flag(-Wshadow)
add_cxx_compiler_flag(-Werror RELEASE)
add_cxx_compiler_flag(-Werror RELWITHDEBINFO)
add_cxx_compiler_flag(-Werror MINSIZEREL)
add_cxx_compiler_flag(-pedantic)
add_cxx_compiler_flag(-pedantic-errors)
add_cxx_compiler_flag(-Wshorten-64-to-32)
add_cxx_compiler_flag(-Wfloat-equal)
add_cxx_compiler_flag(-fstrict-aliasing)
if (NOT BENCHMARK_USE_LIBCXX)
add_cxx_compiler_flag(-Wzero-as-null-pointer-constant)
endif()
if (HAVE_CXX_FLAG_FSTRICT_ALIASING)
add_cxx_compiler_flag(-Wstrict-aliasing)
endif()
add_cxx_compiler_flag(-Wthread-safety)
if (HAVE_CXX_FLAG_WTHREAD_SAFETY)
cxx_feature_check(THREAD_SAFETY_ATTRIBUTES)
endif()
# On most UNIX like platforms g++ and clang++ define _GNU_SOURCE as a
# predefined macro, which turns on all of the wonderful libc extensions.
# However g++ doesn't do this in Cygwin so we have to define it ourselfs
# since we depend on GNU/POSIX/BSD extensions.
if (CYGWIN)
add_definitions(-D_GNU_SOURCE=1)
endif()
# Link time optimisation
if (BENCHMARK_ENABLE_LTO)
add_cxx_compiler_flag(-flto)
if ("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU")
find_program(GCC_AR gcc-ar)
if (GCC_AR)
set(CMAKE_AR ${GCC_AR})
endif()
find_program(GCC_RANLIB gcc-ranlib)
if (GCC_RANLIB)
set(CMAKE_RANLIB ${GCC_RANLIB})
endif()
endif()
endif()
# Coverage build type
set(CMAKE_CXX_FLAGS_COVERAGE "${CMAKE_CXX_FLAGS_DEBUG}" CACHE STRING
"Flags used by the C++ compiler during coverage builds."
FORCE)
set(CMAKE_EXE_LINKER_FLAGS_COVERAGE
"${CMAKE_EXE_LINKER_FLAGS_DEBUG}" CACHE STRING
"Flags used for linking binaries during coverage builds."
FORCE)
set(CMAKE_SHARED_LINKER_FLAGS_COVERAGE
"${CMAKE_SHARED_LINKER_FLAGS_DEBUG}" CACHE STRING
"Flags used by the shared libraries linker during coverage builds."
FORCE)
mark_as_advanced(
CMAKE_CXX_FLAGS_COVERAGE
CMAKE_EXE_LINKER_FLAGS_COVERAGE
CMAKE_SHARED_LINKER_FLAGS_COVERAGE)
set(CMAKE_BUILD_TYPE "${CMAKE_BUILD_TYPE}" CACHE STRING
"Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel Coverage."
FORCE)
add_cxx_compiler_flag(--coverage COVERAGE)
endif()
if (BENCHMARK_USE_LIBCXX)
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
add_cxx_compiler_flag(-stdlib=libc++)
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR
"${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
add_cxx_compiler_flag(-nostdinc++)
message("libc++ header path must be manually specified using CMAKE_CXX_FLAGS")
# Adding -nodefaultlibs directly to CMAKE_<TYPE>_LINKER_FLAGS will break
# configuration checks such as 'find_package(Threads)'
list(APPEND BENCHMARK_CXX_LINKER_FLAGS -nodefaultlibs)
# -lc++ cannot be added directly to CMAKE_<TYPE>_LINKER_FLAGS because
# linker flags appear before all linker inputs and -lc++ must appear after.
list(APPEND BENCHMARK_CXX_LIBRARIES c++)
else()
message(FATAL "-DBENCHMARK_USE_LIBCXX:BOOL=ON is not supported for compiler")
endif()
endif(BENCHMARK_USE_LIBCXX)
# C++ feature checks
# Determine the correct regular expression engine to use
cxx_feature_check(STD_REGEX)
cxx_feature_check(GNU_POSIX_REGEX)
cxx_feature_check(POSIX_REGEX)
if(NOT HAVE_STD_REGEX AND NOT HAVE_GNU_POSIX_REGEX AND NOT HAVE_POSIX_REGEX)
message(FATAL_ERROR "Failed to determine the source files for the regular expression backend")
endif()
cxx_feature_check(STEADY_CLOCK)
# Ensure we have pthreads
find_package(Threads REQUIRED)
# Set up directories
include_directories(${PROJECT_SOURCE_DIR}/include)
# Build the targets
add_subdirectory(src)
if (BENCHMARK_ENABLE_TESTING)
enable_testing()
add_subdirectory(test)
endif()

58
benchmark-v1.1.0/CONTRIBUTING.md
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@@ -1,58 +0,0 @@
# How to contribute #
We'd love to accept your patches and contributions to this project. There are
a just a few small guidelines you need to follow.
## Contributor License Agreement ##
Contributions to any Google project must be accompanied by a Contributor
License Agreement. This is not a copyright **assignment**, it simply gives
Google permission to use and redistribute your contributions as part of the
project.
* If you are an individual writing original source code and you're sure you
own the intellectual property, then you'll need to sign an [individual
CLA][].
* If you work for a company that wants to allow you to contribute your work,
then you'll need to sign a [corporate CLA][].
You generally only need to submit a CLA once, so if you've already submitted
one (even if it was for a different project), you probably don't need to do it
again.
[individual CLA]: https://developers.google.com/open-source/cla/individual
[corporate CLA]: https://developers.google.com/open-source/cla/corporate
Once your CLA is submitted (or if you already submitted one for
another Google project), make a commit adding yourself to the
[AUTHORS][] and [CONTRIBUTORS][] files. This commit can be part
of your first [pull request][].
[AUTHORS]: AUTHORS
[CONTRIBUTORS]: CONTRIBUTORS
## Submitting a patch ##
1. It's generally best to start by opening a new issue describing the bug or
feature you're intending to fix. Even if you think it's relatively minor,
it's helpful to know what people are working on. Mention in the initial
issue that you are planning to work on that bug or feature so that it can
be assigned to you.
1. Follow the normal process of [forking][] the project, and setup a new
branch to work in. It's important that each group of changes be done in
separate branches in order to ensure that a pull request only includes the
commits related to that bug or feature.
1. Do your best to have [well-formed commit messages][] for each change.
This provides consistency throughout the project, and ensures that commit
messages are able to be formatted properly by various git tools.
1. Finally, push the commits to your fork and submit a [pull request][].
[forking]: https://help.github.com/articles/fork-a-repo
[well-formed commit messages]: http://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html
[pull request]: https://help.github.com/articles/creating-a-pull-request

53
benchmark-v1.1.0/CONTRIBUTORS
View File

@@ -1,53 +0,0 @@
# People who have agreed to one of the CLAs and can contribute patches.
# The AUTHORS file lists the copyright holders; this file
# lists people. For example, Google employees are listed here
# but not in AUTHORS, because Google holds the copyright.
#
# Names should be added to this file only after verifying that
# the individual or the individual's organization has agreed to
# the appropriate Contributor License Agreement, found here:
#
# https://developers.google.com/open-source/cla/individual
# https://developers.google.com/open-source/cla/corporate
#
# The agreement for individuals can be filled out on the web.
#
# When adding J Random Contributor's name to this file,
# either J's name or J's organization's name should be
# added to the AUTHORS file, depending on whether the
# individual or corporate CLA was used.
#
# Names should be added to this file as:
# Name <email address>
#
# Please keep the list sorted.
Albert Pretorius <pretoalb@gmail.com>
Arne Beer <arne@twobeer.de>
Billy Robert O'Neal III <billy.oneal@gmail.com> <bion@microsoft.com>
Chris Kennelly <ckennelly@google.com> <ckennelly@ckennelly.com>
Christopher Seymour <chris.j.seymour@hotmail.com>
David Coeurjolly <david.coeurjolly@liris.cnrs.fr>
Dominic Hamon <dma@stripysock.com>
Eric Fiselier <eric@efcs.ca>
Eugene Zhuk <eugene.zhuk@gmail.com>
Evgeny Safronov <division494@gmail.com>
Felix Homann <linuxaudio@showlabor.de>
Ismael Jimenez Martinez <ismael.jimenez.martinez@gmail.com>
JianXiong Zhou <zhoujianxiong2@gmail.com>
Jussi Knuuttila <jussi.knuuttila@gmail.com>
Kaito Udagawa <umireon@gmail.com>
Kai Wolf <kai.wolf@gmail.com>
Lei Xu <eddyxu@gmail.com>
Matt Clarkson <mattyclarkson@gmail.com>
Nick Hutchinson <nshutchinson@gmail.com>
Oleksandr Sochka <sasha.sochka@gmail.com>
Pascal Leroy <phl@google.com>
Paul Redmond <paul.redmond@gmail.com>
Pierre Phaneuf <pphaneuf@google.com>
Radoslav Yovchev <radoslav.tm@gmail.com>
Shuo Chen <chenshuo@chenshuo.com>
Yusuke Suzuki <utatane.tea@gmail.com>
Tobias Ulvgård <tobias.ulvgard@dirac.se>
Zbigniew Skowron <zbychs@gmail.com>
Dominik Czarnota <dominik.b.czarnota@gmail.com>

202
benchmark-v1.1.0/LICENSE
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@@ -1,202 +0,0 @@
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54
benchmark-v1.1.0/appveyor.yml
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@@ -1,54 +0,0 @@
version: '{build}'
configuration:
- Debug
- Release
environment:
matrix:
- compiler: msvc-12-seh
generator: "Visual Studio 12 2013"
- compiler: msvc-12-seh
generator: "Visual Studio 12 2013 Win64"
- compiler: msvc-14-seh
generator: "Visual Studio 14 2015"
- compiler: msvc-14-seh
generator: "Visual Studio 14 2015 Win64"
- compiler: gcc-5.3.0-posix
generator: "MinGW Makefiles"
cxx_path: 'C:\mingw-w64\i686-5.3.0-posix-dwarf-rt_v4-rev0\mingw32\bin'
matrix:
fast_finish: true
install:
# git bash conflicts with MinGW makefiles
- if "%generator%"=="MinGW Makefiles" (set "PATH=%PATH:C:\Program Files\Git\usr\bin;=%")
- if not "%cxx_path%"=="" (set "PATH=%PATH%;%cxx_path%")
# TODO Remove this. This is a hack to work around bogus warning messages
# See http://goo.gl/euguBI for more information.
before_build:
- del "C:\Program Files (x86)\MSBuild\14.0\Microsoft.Common.targets\ImportAfter\Xamarin.Common.targets"
- del "C:\Program Files (x86)\MSBuild\12.0\Microsoft.Common.targets\ImportAfter\Xamarin.Common.targets"
build_script:
- md _build -Force
- cd _build
- echo %configuration%
- cmake -G "%generator%" "-DCMAKE_BUILD_TYPE=%configuration%" ..
- cmake --build . --config %configuration%
test_script:
- ctest -c %configuration% --timeout 300 --output-on-failure
artifacts:
- path: '_build/CMakeFiles/*.log'
name: logs
- path: '_build/Testing/**/*.xml'
name: test_results

37
benchmark-v1.1.0/cmake/AddCXXCompilerFlag.cmake
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# - Adds a compiler flag if it is supported by the compiler
#
# This function checks that the supplied compiler flag is supported and then
# adds it to the corresponding compiler flags
#
# add_cxx_compiler_flag(<FLAG> [<VARIANT>])
#
# - Example
#
# include(AddCXXCompilerFlag)
# add_cxx_compiler_flag(-Wall)
# add_cxx_compiler_flag(-no-strict-aliasing RELEASE)
# Requires CMake 2.6+
if(__add_cxx_compiler_flag)
return()
endif()
set(__add_cxx_compiler_flag INCLUDED)
include(CheckCXXCompilerFlag)
function(add_cxx_compiler_flag FLAG)
string(TOUPPER "HAVE_CXX_FLAG_${FLAG}" SANITIZED_FLAG)
string(REPLACE "+" "X" SANITIZED_FLAG ${SANITIZED_FLAG})
string(REGEX REPLACE "[^A-Za-z_0-9]" "_" SANITIZED_FLAG ${SANITIZED_FLAG})
string(REGEX REPLACE "_+" "_" SANITIZED_FLAG ${SANITIZED_FLAG})
set(CMAKE_REQUIRED_FLAGS "${FLAG}")
check_cxx_compiler_flag("${FLAG}" ${SANITIZED_FLAG})
if(${SANITIZED_FLAG})
set(VARIANT ${ARGV1})
if(ARGV1)
string(TOUPPER "_${VARIANT}" VARIANT)
endif()
set(CMAKE_CXX_FLAGS${VARIANT} "${CMAKE_CXX_FLAGS${VARIANT}} ${FLAG}" PARENT_SCOPE)
endif()
endfunction()

44
benchmark-v1.1.0/cmake/CXXFeatureCheck.cmake
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# - Compile and run code to check for C++ features
#
# This functions compiles a source file under the `cmake` folder
# and adds the corresponding `HAVE_[FILENAME]` flag to the CMake
# environment
#
# cxx_feature_check(<FLAG> [<VARIANT>])
#
# - Example
#
# include(CXXFeatureCheck)
# cxx_feature_check(STD_REGEX)
# Requires CMake 2.6+
if(__cxx_feature_check)
return()
endif()
set(__cxx_feature_check INCLUDED)
function(cxx_feature_check FILE)
string(TOLOWER ${FILE} FILE)
string(TOUPPER ${FILE} VAR)
string(TOUPPER "HAVE_${VAR}" FEATURE)
if (DEFINED HAVE_${VAR})
return()
endif()
message("-- Performing Test ${FEATURE}")
try_run(RUN_${FEATURE} COMPILE_${FEATURE}
${CMAKE_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/cmake/${FILE}.cpp
CMAKE_FLAGS ${BENCHMARK_CXX_LINKER_FLAGS}
LINK_LIBRARIES ${BENCHMARK_CXX_LIBRARIES})
if(RUN_${FEATURE} EQUAL 0)
message("-- Performing Test ${FEATURE} -- success")
set(HAVE_${VAR} 1 CACHE INTERNAL "Feature test for ${FILE}" PARENT_SCOPE)
add_definitions(-DHAVE_${VAR})
else()
if(NOT COMPILE_${FEATURE})
message("-- Performing Test ${FEATURE} -- failed to compile")
else()
message("-- Performing Test ${FEATURE} -- compiled but failed to run")
endif()
endif()
endfunction()

51
benchmark-v1.1.0/cmake/GetGitVersion.cmake
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# - Returns a version string from Git tags
#
# This function inspects the annotated git tags for the project and returns a string
# into a CMake variable
#
# get_git_version(<var>)
#
# - Example
#
# include(GetGitVersion)
# get_git_version(GIT_VERSION)
#
# Requires CMake 2.8.11+
find_package(Git)
if(__get_git_version)
return()
endif()
set(__get_git_version INCLUDED)
function(get_git_version var)
if(GIT_EXECUTABLE)
execute_process(COMMAND ${GIT_EXECUTABLE} describe --match "v[0-9]*.[0-9]*.[0-9]*" --abbrev=8
RESULT_VARIABLE status
OUTPUT_VARIABLE GIT_VERSION
ERROR_QUIET)
if(${status})
set(GIT_VERSION "v0.0.0")
else()
string(STRIP ${GIT_VERSION} GIT_VERSION)
string(REGEX REPLACE "-[0-9]+-g" "-" GIT_VERSION ${GIT_VERSION})
endif()
# Work out if the repository is dirty
execute_process(COMMAND ${GIT_EXECUTABLE} update-index -q --refresh
OUTPUT_QUIET
ERROR_QUIET)
execute_process(COMMAND ${GIT_EXECUTABLE} diff-index --name-only HEAD --
OUTPUT_VARIABLE GIT_DIFF_INDEX
ERROR_QUIET)
string(COMPARE NOTEQUAL "${GIT_DIFF_INDEX}" "" GIT_DIRTY)
if (${GIT_DIRTY})
set(GIT_VERSION "${GIT_VERSION}-dirty")
endif()
else()
set(GIT_VERSION "v0.0.0")
endif()
message("-- git Version: ${GIT_VERSION}")
set(${var} ${GIT_VERSION} PARENT_SCOPE)
endfunction()

12
benchmark-v1.1.0/cmake/gnu_posix_regex.cpp
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#include <gnuregex.h>
#include <string>
int main() {
std::string str = "test0159";
regex_t re;
int ec = regcomp(&re, "^[a-z]+[0-9]+$", REG_EXTENDED | REG_NOSUB);
if (ec != 0) {
return ec;
}
return regexec(&re, str.c_str(), 0, nullptr, 0) ? -1 : 0;
}

14
benchmark-v1.1.0/cmake/posix_regex.cpp
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@@ -1,14 +0,0 @@
#include <regex.h>
#include <string>
int main() {
std::string str = "test0159";
regex_t re;
int ec = regcomp(&re, "^[a-z]+[0-9]+$", REG_EXTENDED | REG_NOSUB);
if (ec != 0) {
return ec;
}
int ret = regexec(&re, str.c_str(), 0, nullptr, 0) ? -1 : 0;
regfree(&re);
return ret;
}

10
benchmark-v1.1.0/cmake/std_regex.cpp
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@@ -1,10 +0,0 @@
#include <regex>
#include <string>
int main() {
const std::string str = "test0159";
std::regex re;
re = std::regex("^[a-z]+[0-9]+$",
std::regex_constants::extended | std::regex_constants::nosubs);
return std::regex_search(str, re) ? 0 : -1;
}

7
benchmark-v1.1.0/cmake/steady_clock.cpp
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@@ -1,7 +0,0 @@
#include <chrono>
int main() {
typedef std::chrono::steady_clock Clock;
Clock::time_point tp = Clock::now();
((void)tp);
}

4
benchmark-v1.1.0/cmake/thread_safety_attributes.cpp
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@@ -1,4 +0,0 @@
#define HAVE_THREAD_SAFETY_ATTRIBUTES
#include "../src/mutex.h"
int main() {}

21
benchmark-v1.1.0/include/benchmark/benchmark.h
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@@ -1,21 +0,0 @@
// Copyright 2015 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef BENCHMARK_BENCHMARK_H_
#define BENCHMARK_BENCHMARK_H_
#include "benchmark_api.h"
#include "macros.h"
#include "reporter.h"
#endif // BENCHMARK_BENCHMARK_H_

864
benchmark-v1.1.0/include/benchmark/benchmark_api.h
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@@ -1,864 +0,0 @@
// Support for registering benchmarks for functions.
/* Example usage:
// Define a function that executes the code to be measured a
// specified number of times:
static void BM_StringCreation(benchmark::State& state) {
while (state.KeepRunning())
std::string empty_string;
}
// Register the function as a benchmark
BENCHMARK(BM_StringCreation);
// Define another benchmark
static void BM_StringCopy(benchmark::State& state) {
std::string x = "hello";
while (state.KeepRunning())
std::string copy(x);
}
BENCHMARK(BM_StringCopy);
// Augment the main() program to invoke benchmarks if specified
// via the --benchmarks command line flag. E.g.,
// my_unittest --benchmark_filter=all
// my_unittest --benchmark_filter=BM_StringCreation
// my_unittest --benchmark_filter=String
// my_unittest --benchmark_filter='Copy|Creation'
int main(int argc, char** argv) {
benchmark::Initialize(&argc, argv);
benchmark::RunSpecifiedBenchmarks();
return 0;
}
// Sometimes a family of microbenchmarks can be implemented with
// just one routine that takes an extra argument to specify which
// one of the family of benchmarks to run. For example, the following
// code defines a family of microbenchmarks for measuring the speed
// of memcpy() calls of different lengths:
static void BM_memcpy(benchmark::State& state) {
char* src = new char[state.range(0)]; char* dst = new char[state.range(0)];
memset(src, 'x', state.range(0));
while (state.KeepRunning())
memcpy(dst, src, state.range(0));
state.SetBytesProcessed(int64_t(state.iterations()) *
int64_t(state.range(0)));
delete[] src; delete[] dst;
}
BENCHMARK(BM_memcpy)->Arg(8)->Arg(64)->Arg(512)->Arg(1<<10)->Arg(8<<10);
// The preceding code is quite repetitive, and can be replaced with the
// following short-hand. The following invocation will pick a few
// appropriate arguments in the specified range and will generate a
// microbenchmark for each such argument.
BENCHMARK(BM_memcpy)->Range(8, 8<<10);
// You might have a microbenchmark that depends on two inputs. For
// example, the following code defines a family of microbenchmarks for
// measuring the speed of set insertion.
static void BM_SetInsert(benchmark::State& state) {
while (state.KeepRunning()) {
state.PauseTiming();
set<int> data = ConstructRandomSet(state.range(0));
state.ResumeTiming();
for (int j = 0; j < state.range(1); ++j)
data.insert(RandomNumber());
}
}
BENCHMARK(BM_SetInsert)
->Args({1<<10, 1})
->Args({1<<10, 8})
->Args({1<<10, 64})
->Args({1<<10, 512})
->Args({8<<10, 1})
->Args({8<<10, 8})
->Args({8<<10, 64})
->Args({8<<10, 512});
// The preceding code is quite repetitive, and can be replaced with
// the following short-hand. The following macro will pick a few
// appropriate arguments in the product of the two specified ranges
// and will generate a microbenchmark for each such pair.
BENCHMARK(BM_SetInsert)->Ranges({{1<<10, 8<<10}, {1, 512}});
// For more complex patterns of inputs, passing a custom function
// to Apply allows programmatic specification of an
// arbitrary set of arguments to run the microbenchmark on.
// The following example enumerates a dense range on
// one parameter, and a sparse range on the second.
static void CustomArguments(benchmark::internal::Benchmark* b) {
for (int i = 0; i <= 10; ++i)
for (int j = 32; j <= 1024*1024; j *= 8)
b->Args({i, j});
}
BENCHMARK(BM_SetInsert)->Apply(CustomArguments);
// Templated microbenchmarks work the same way:
// Produce then consume 'size' messages 'iters' times
// Measures throughput in the absence of multiprogramming.
template <class Q> int BM_Sequential(benchmark::State& state) {
Q q;
typename Q::value_type v;
while (state.KeepRunning()) {
for (int i = state.range(0); i--; )
q.push(v);
for (int e = state.range(0); e--; )
q.Wait(&v);
}
// actually messages, not bytes:
state.SetBytesProcessed(
static_cast<int64_t>(state.iterations())*state.range(0));
}
BENCHMARK_TEMPLATE(BM_Sequential, WaitQueue<int>)->Range(1<<0, 1<<10);
Use `Benchmark::MinTime(double t)` to set the minimum time used to run the
benchmark. This option overrides the `benchmark_min_time` flag.
void BM_test(benchmark::State& state) {
... body ...
}
BENCHMARK(BM_test)->MinTime(2.0); // Run for at least 2 seconds.
In a multithreaded test, it is guaranteed that none of the threads will start
until all have called KeepRunning, and all will have finished before KeepRunning
returns false. As such, any global setup or teardown you want to do can be
wrapped in a check against the thread index:
static void BM_MultiThreaded(benchmark::State& state) {
if (state.thread_index == 0) {
// Setup code here.
}
while (state.KeepRunning()) {
// Run the test as normal.
}
if (state.thread_index == 0) {
// Teardown code here.
}
}
BENCHMARK(BM_MultiThreaded)->Threads(4);
If a benchmark runs a few milliseconds it may be hard to visually compare the
measured times, since the output data is given in nanoseconds per default. In
order to manually set the time unit, you can specify it manually:
BENCHMARK(BM_test)->Unit(benchmark::kMillisecond);
*/
#ifndef BENCHMARK_BENCHMARK_API_H_
#define BENCHMARK_BENCHMARK_API_H_
#include <assert.h>
#include <stddef.h>
#include <stdint.h>
#include <string>
#include <vector>
#include "macros.h"
#if defined(BENCHMARK_HAS_CXX11)
#include <type_traits>
#include <utility>
#endif
namespace benchmark {
class BenchmarkReporter;
void Initialize(int* argc, char** argv);
// Generate a list of benchmarks matching the specified --benchmark_filter flag
// and if --benchmark_list_tests is specified return after printing the name
// of each matching benchmark. Otherwise run each matching benchmark and
// report the results.
//
// The second and third overload use the specified 'console_reporter' and
// 'file_reporter' respectively. 'file_reporter' will write to the file
// specified
// by '--benchmark_output'. If '--benchmark_output' is not given the
// 'file_reporter' is ignored.
//
// RETURNS: The number of matching benchmarks.
size_t RunSpecifiedBenchmarks();
size_t RunSpecifiedBenchmarks(BenchmarkReporter* console_reporter);
size_t RunSpecifiedBenchmarks(BenchmarkReporter* console_reporter,
BenchmarkReporter* file_reporter);
// If this routine is called, peak memory allocation past this point in the
// benchmark is reported at the end of the benchmark report line. (It is
// computed by running the benchmark once with a single iteration and a memory
// tracer.)
// TODO(dominic)
// void MemoryUsage();
namespace internal {
class Benchmark;
class BenchmarkImp;
class BenchmarkFamilies;
template <class T>
struct Voider {
typedef void type;
};
template <class T, class = void>
struct EnableIfString {};
template <class T>
struct EnableIfString<T, typename Voider<typename T::basic_string>::type> {
typedef int type;
};
void UseCharPointer(char const volatile*);
// Take ownership of the pointer and register the benchmark. Return the
// registered benchmark.
Benchmark* RegisterBenchmarkInternal(Benchmark*);
// Ensure that the standard streams are properly initialized in every TU.
int InitializeStreams();
BENCHMARK_UNUSED static int stream_init_anchor = InitializeStreams();
} // end namespace internal
// The DoNotOptimize(...) function can be used to prevent a value or
// expression from being optimized away by the compiler. This function is
// intended to add little to no overhead.
// See: https://youtu.be/nXaxk27zwlk?t=2441
#if defined(__GNUC__)
template <class Tp>
inline BENCHMARK_ALWAYS_INLINE void DoNotOptimize(Tp const& value) {
asm volatile("" : : "g"(value) : "memory");
}
// Force the compiler to flush pending writes to global memory. Acts as an
// effective read/write barrier
inline BENCHMARK_ALWAYS_INLINE void ClobberMemory() {
asm volatile("" : : : "memory");
}
#else
template <class Tp>
inline BENCHMARK_ALWAYS_INLINE void DoNotOptimize(Tp const& value) {
internal::UseCharPointer(&reinterpret_cast<char const volatile&>(value));
}
// FIXME Add ClobberMemory() for non-gnu compilers
#endif
// TimeUnit is passed to a benchmark in order to specify the order of magnitude
// for the measured time.
enum TimeUnit { kNanosecond, kMicrosecond, kMillisecond };
// BigO is passed to a benchmark in order to specify the asymptotic
// computational
// complexity for the benchmark. In case oAuto is selected, complexity will be
// calculated automatically to the best fit.
enum BigO { oNone, o1, oN, oNSquared, oNCubed, oLogN, oNLogN, oAuto, oLambda };
// BigOFunc is passed to a benchmark in order to specify the asymptotic
// computational complexity for the benchmark.
typedef double(BigOFunc)(int);
namespace internal {
class ThreadTimer;
class ThreadManager;
#if defined(BENCHMARK_HAS_CXX11)
enum ReportMode : unsigned {
#else
enum ReportMode {
#endif
RM_Unspecified, // The mode has not been manually specified
RM_Default, // The mode is user-specified as default.
RM_ReportAggregatesOnly
};
}
// State is passed to a running Benchmark and contains state for the
// benchmark to use.
class State {
public:
// Returns true if the benchmark should continue through another iteration.
// NOTE: A benchmark may not return from the test until KeepRunning() has
// returned false.
bool KeepRunning() {
if (BENCHMARK_BUILTIN_EXPECT(!started_, false)) {
StartKeepRunning();
}
bool const res = total_iterations_++ < max_iterations;
if (BENCHMARK_BUILTIN_EXPECT(!res, false)) {
FinishKeepRunning();
}
return res;
}
// REQUIRES: timer is running and 'SkipWithError(...)' has not been called
// by the current thread.
// Stop the benchmark timer. If not called, the timer will be
// automatically stopped after KeepRunning() returns false for the first time.
//
// For threaded benchmarks the PauseTiming() function only pauses the timing
// for the current thread.
//
// NOTE: The "real time" measurement is per-thread. If different threads
// report different measurements the largest one is reported.
//
// NOTE: PauseTiming()/ResumeTiming() are relatively
// heavyweight, and so their use should generally be avoided
// within each benchmark iteration, if possible.
void PauseTiming();
// REQUIRES: timer is not running and 'SkipWithError(...)' has not been called
// by the current thread.
// Start the benchmark timer. The timer is NOT running on entrance to the
// benchmark function. It begins running after the first call to KeepRunning()
//
// NOTE: PauseTiming()/ResumeTiming() are relatively
// heavyweight, and so their use should generally be avoided
// within each benchmark iteration, if possible.
void ResumeTiming();
// REQUIRES: 'SkipWithError(...)' has not been called previously by the
// current thread.
// Skip any future iterations of the 'KeepRunning()' loop in the current
// thread and report an error with the specified 'msg'. After this call
// the user may explicitly 'return' from the benchmark.
//
// For threaded benchmarks only the current thread stops executing and future
// calls to `KeepRunning()` will block until all threads have completed
// the `KeepRunning()` loop. If multiple threads report an error only the
// first error message is used.
//
// NOTE: Calling 'SkipWithError(...)' does not cause the benchmark to exit
// the current scope immediately. If the function is called from within
// the 'KeepRunning()' loop the current iteration will finish. It is the users
// responsibility to exit the scope as needed.
void SkipWithError(const char* msg);
// REQUIRES: called exactly once per iteration of the KeepRunning loop.
// Set the manually measured time for this benchmark iteration, which
// is used instead of automatically measured time if UseManualTime() was
// specified.
//
// For threaded benchmarks the final value will be set to the largest
// reported values.
void SetIterationTime(double seconds);
// Set the number of bytes processed by the current benchmark
// execution. This routine is typically called once at the end of a
// throughput oriented benchmark. If this routine is called with a
// value > 0, the report is printed in MB/sec instead of nanoseconds
// per iteration.
//
// REQUIRES: a benchmark has exited its KeepRunning loop.
BENCHMARK_ALWAYS_INLINE
void SetBytesProcessed(size_t bytes) { bytes_processed_ = bytes; }
BENCHMARK_ALWAYS_INLINE
size_t bytes_processed() const { return bytes_processed_; }
// If this routine is called with complexity_n > 0 and complexity report is
// requested for the
// family benchmark, then current benchmark will be part of the computation
// and complexity_n will
// represent the length of N.
BENCHMARK_ALWAYS_INLINE
void SetComplexityN(int complexity_n) { complexity_n_ = complexity_n; }
BENCHMARK_ALWAYS_INLINE
int complexity_length_n() { return complexity_n_; }
// If this routine is called with items > 0, then an items/s
// label is printed on the benchmark report line for the currently
// executing benchmark. It is typically called at the end of a processing
// benchmark where a processing items/second output is desired.
//
// REQUIRES: a benchmark has exited its KeepRunning loop.
BENCHMARK_ALWAYS_INLINE
void SetItemsProcessed(size_t items) { items_processed_ = items; }
BENCHMARK_ALWAYS_INLINE
size_t items_processed() const { return items_processed_; }
// If this routine is called, the specified label is printed at the
// end of the benchmark report line for the currently executing
// benchmark. Example:
// static void BM_Compress(benchmark::State& state) {
// ...
// double compress = input_size / output_size;
// state.SetLabel(StringPrintf("compress:%.1f%%", 100.0*compression));
// }
// Produces output that looks like:
// BM_Compress 50 50 14115038 compress:27.3%
//
// REQUIRES: a benchmark has exited its KeepRunning loop.
void SetLabel(const char* label);
// Allow the use of std::string without actually including <string>.
// This function does not participate in overload resolution unless StringType
// has the nested typename `basic_string`. This typename should be provided
// as an injected class name in the case of std::string.
template <class StringType>
void SetLabel(StringType const& str,
typename internal::EnableIfString<StringType>::type = 1) {
this->SetLabel(str.c_str());
}
// Range arguments for this run. CHECKs if the argument has been set.
BENCHMARK_ALWAYS_INLINE
int range(std::size_t pos = 0) const {
assert(range_.size() > pos);
return range_[pos];
}
BENCHMARK_DEPRECATED_MSG("use 'range(0)' instead")
int range_x() const { return range(0); }
BENCHMARK_DEPRECATED_MSG("use 'range(1)' instead")
int range_y() const { return range(1); }
BENCHMARK_ALWAYS_INLINE
size_t iterations() const { return total_iterations_; }
private:
bool started_;
bool finished_;
size_t total_iterations_;
std::vector<int> range_;
size_t bytes_processed_;
size_t items_processed_;
int complexity_n_;
bool error_occurred_;
public:
// Index of the executing thread. Values from [0, threads).
const int thread_index;
// Number of threads concurrently executing the benchmark.
const int threads;
const size_t max_iterations;
// TODO make me private
State(size_t max_iters, const std::vector<int>& ranges, int thread_i,
int n_threads, internal::ThreadTimer* timer,
internal::ThreadManager* manager);
private:
void StartKeepRunning();
void FinishKeepRunning();
internal::ThreadTimer* timer_;
internal::ThreadManager* manager_;
BENCHMARK_DISALLOW_COPY_AND_ASSIGN(State);
};
namespace internal {
typedef void(Function)(State&);
// ------------------------------------------------------
// Benchmark registration object. The BENCHMARK() macro expands
// into an internal::Benchmark* object. Various methods can
// be called on this object to change the properties of the benchmark.
// Each method returns "this" so that multiple method calls can
// chained into one expression.
class Benchmark {
public:
virtual ~Benchmark();
// Note: the following methods all return "this" so that multiple
// method calls can be chained together in one expression.
// Run this benchmark once with "x" as the extra argument passed
// to the function.
// REQUIRES: The function passed to the constructor must accept an arg1.
Benchmark* Arg(int x);
// Run this benchmark with the given time unit for the generated output report
Benchmark* Unit(TimeUnit unit);
// Run this benchmark once for a number of values picked from the
// range [start..limit]. (start and limit are always picked.)
// REQUIRES: The function passed to the constructor must accept an arg1.
Benchmark* Range(int start, int limit);
// Run this benchmark once for all values in the range [start..limit] with
// specific step
// REQUIRES: The function passed to the constructor must accept an arg1.
Benchmark* DenseRange(int start, int limit, int step = 1);
// Run this benchmark once with "args" as the extra arguments passed
// to the function.
// REQUIRES: The function passed to the constructor must accept arg1, arg2 ...
Benchmark* Args(const std::vector<int>& args);
// Equivalent to Args({x, y})
// NOTE: This is a legacy C++03 interface provided for compatibility only.
// New code should use 'Args'.
Benchmark* ArgPair(int x, int y) {
std::vector<int> args;
args.push_back(x);
args.push_back(y);
return Args(args);
}
// Run this benchmark once for a number of values picked from the
// ranges [start..limit]. (starts and limits are always picked.)
// REQUIRES: The function passed to the constructor must accept arg1, arg2 ...
Benchmark* Ranges(const std::vector<std::pair<int, int> >& ranges);
// Equivalent to ArgNames({name})
Benchmark* ArgName(const std::string& name);
// Set the argument names to display in the benchmark name. If not called,
// only argument values will be shown.
Benchmark* ArgNames(const std::vector<std::string>& names);
// Equivalent to Ranges({{lo1, hi1}, {lo2, hi2}}).
// NOTE: This is a legacy C++03 interface provided for compatibility only.
// New code should use 'Ranges'.
Benchmark* RangePair(int lo1, int hi1, int lo2, int hi2) {
std::vector<std::pair<int, int> > ranges;
ranges.push_back(std::make_pair(lo1, hi1));
ranges.push_back(std::make_pair(lo2, hi2));
return Ranges(ranges);
}
// Pass this benchmark object to *func, which can customize
// the benchmark by calling various methods like Arg, Args,
// Threads, etc.
Benchmark* Apply(void (*func)(Benchmark* benchmark));
// Set the range multiplier for non-dense range. If not called, the range
// multiplier kRangeMultiplier will be used.
Benchmark* RangeMultiplier(int multiplier);
// Set the minimum amount of time to use when running this benchmark. This
// option overrides the `benchmark_min_time` flag.
// REQUIRES: `t > 0`
Benchmark* MinTime(double t);
// Specify the amount of times to repeat this benchmark. This option overrides
// the `benchmark_repetitions` flag.
// REQUIRES: `n > 0`
Benchmark* Repetitions(int n);
// Specify if each repetition of the benchmark should be reported separately
// or if only the final statistics should be reported. If the benchmark
// is not repeated then the single result is always reported.
Benchmark* ReportAggregatesOnly(bool v = true);
// If a particular benchmark is I/O bound, runs multiple threads internally or
// if for some reason CPU timings are not representative, call this method. If
// called, the elapsed time will be used to control how many iterations are
// run, and in the printing of items/second or MB/seconds values. If not
// called, the cpu time used by the benchmark will be used.
Benchmark* UseRealTime();
// If a benchmark must measure time manually (e.g. if GPU execution time is
// being
// measured), call this method. If called, each benchmark iteration should
// call
// SetIterationTime(seconds) to report the measured time, which will be used
// to control how many iterations are run, and in the printing of items/second
// or MB/second values.
Benchmark* UseManualTime();
// Set the asymptotic computational complexity for the benchmark. If called
// the asymptotic computational complexity will be shown on the output.
Benchmark* Complexity(BigO complexity = benchmark::oAuto);
// Set the asymptotic computational complexity for the benchmark. If called
// the asymptotic computational complexity will be shown on the output.
Benchmark* Complexity(BigOFunc* complexity);
// Support for running multiple copies of the same benchmark concurrently
// in multiple threads. This may be useful when measuring the scaling
// of some piece of code.
// Run one instance of this benchmark concurrently in t threads.
Benchmark* Threads(int t);
// Pick a set of values T from [min_threads,max_threads].
// min_threads and max_threads are always included in T. Run this
// benchmark once for each value in T. The benchmark run for a
// particular value t consists of t threads running the benchmark
// function concurrently. For example, consider:
// BENCHMARK(Foo)->ThreadRange(1,16);
// This will run the following benchmarks:
// Foo in 1 thread
// Foo in 2 threads
// Foo in 4 threads
// Foo in 8 threads
// Foo in 16 threads
Benchmark* ThreadRange(int min_threads, int max_threads);
// For each value n in the range, run this benchmark once using n threads.
// min_threads and max_threads are always included in the range.
// stride specifies the increment. E.g. DenseThreadRange(1, 8, 3) starts
// a benchmark with 1, 4, 7 and 8 threads.
Benchmark* DenseThreadRange(int min_threads, int max_threads, int stride = 1);
// Equivalent to ThreadRange(NumCPUs(), NumCPUs())
Benchmark* ThreadPerCpu();
virtual void Run(State& state) = 0;
// Used inside the benchmark implementation
struct Instance;
protected:
explicit Benchmark(const char* name);
Benchmark(Benchmark const&);
void SetName(const char* name);
int ArgsCnt() const;
static void AddRange(std::vector<int>* dst, int lo, int hi, int mult);
private:
friend class BenchmarkFamilies;
std::string name_;
ReportMode report_mode_;
std::vector<std::string> arg_names_; // Args for all benchmark runs
std::vector<std::vector<int> > args_; // Args for all benchmark runs
TimeUnit time_unit_;
int range_multiplier_;
double min_time_;
int repetitions_;
bool use_real_time_;
bool use_manual_time_;
BigO complexity_;
BigOFunc* complexity_lambda_;
std::vector<int> thread_counts_;
Benchmark& operator=(Benchmark const&);
};
} // namespace internal
// Create and register a benchmark with the specified 'name' that invokes
// the specified functor 'fn'.
//
// RETURNS: A pointer to the registered benchmark.
internal::Benchmark* RegisterBenchmark(const char* name,
internal::Function* fn);
#if defined(BENCHMARK_HAS_CXX11)
template <class Lambda>
internal::Benchmark* RegisterBenchmark(const char* name, Lambda&& fn);
#endif
namespace internal {
// The class used to hold all Benchmarks created from static function.
// (ie those created using the BENCHMARK(...) macros.
class FunctionBenchmark : public Benchmark {
public:
FunctionBenchmark(const char* name, Function* func)
: Benchmark(name), func_(func) {}
virtual void Run(State& st);
private:
Function* func_;
};
#ifdef BENCHMARK_HAS_CXX11
template <class Lambda>
class LambdaBenchmark : public Benchmark {
public:
virtual void Run(State& st) { lambda_(st); }
private:
template <class OLambda>
LambdaBenchmark(const char* name, OLambda&& lam)
: Benchmark(name), lambda_(std::forward<OLambda>(lam)) {}
LambdaBenchmark(LambdaBenchmark const&) = delete;
private:
template <class Lam>
friend Benchmark* ::benchmark::RegisterBenchmark(const char*, Lam&&);
Lambda lambda_;
};
#endif
} // end namespace internal
inline internal::Benchmark* RegisterBenchmark(const char* name,
internal::Function* fn) {
return internal::RegisterBenchmarkInternal(
::new internal::FunctionBenchmark(name, fn));
}
#ifdef BENCHMARK_HAS_CXX11
template <class Lambda>
internal::Benchmark* RegisterBenchmark(const char* name, Lambda&& fn) {
using BenchType =
internal::LambdaBenchmark<typename std::decay<Lambda>::type>;
return internal::RegisterBenchmarkInternal(
::new BenchType(name, std::forward<Lambda>(fn)));
}
#endif
#if defined(BENCHMARK_HAS_CXX11) && \
(!defined(BENCHMARK_GCC_VERSION) || BENCHMARK_GCC_VERSION >= 409)
template <class Lambda, class... Args>
internal::Benchmark* RegisterBenchmark(const char* name, Lambda&& fn,
Args&&... args) {
return benchmark::RegisterBenchmark(
name, [=](benchmark::State& st) { fn(st, args...); });
}
#else
#define BENCHMARK_HAS_NO_VARIADIC_REGISTER_BENCHMARK
#endif
// The base class for all fixture tests.
class Fixture : public internal::Benchmark {
public:
Fixture() : internal::Benchmark("") {}
virtual void Run(State& st) {
this->SetUp(st);
this->BenchmarkCase(st);
this->TearDown(st);
}
// These will be deprecated ...
virtual void SetUp(const State&) {}
virtual void TearDown(const State&) {}
// ... In favor of these.
virtual void SetUp(State& st) { SetUp(const_cast<const State&>(st)); }
virtual void TearDown(State& st) { TearDown(const_cast<const State&>(st)); }
protected:
virtual void BenchmarkCase(State&) = 0;
};
} // end namespace benchmark
// ------------------------------------------------------
// Macro to register benchmarks
// Check that __COUNTER__ is defined and that __COUNTER__ increases by 1
// every time it is expanded. X + 1 == X + 0 is used in case X is defined to be
// empty. If X is empty the expression becomes (+1 == +0).
#if defined(__COUNTER__) && (__COUNTER__ + 1 == __COUNTER__ + 0)
#define BENCHMARK_PRIVATE_UNIQUE_ID __COUNTER__
#else
#define BENCHMARK_PRIVATE_UNIQUE_ID __LINE__
#endif
// Helpers for generating unique variable names
#define BENCHMARK_PRIVATE_NAME(n) \
BENCHMARK_PRIVATE_CONCAT(_benchmark_, BENCHMARK_PRIVATE_UNIQUE_ID, n)
#define BENCHMARK_PRIVATE_CONCAT(a, b, c) BENCHMARK_PRIVATE_CONCAT2(a, b, c)
#define BENCHMARK_PRIVATE_CONCAT2(a, b, c) a##b##c
#define BENCHMARK_PRIVATE_DECLARE(n) \
static ::benchmark::internal::Benchmark* BENCHMARK_PRIVATE_NAME(n) \
BENCHMARK_UNUSED
#define BENCHMARK(n) \
BENCHMARK_PRIVATE_DECLARE(n) = \
(::benchmark::internal::RegisterBenchmarkInternal( \
new ::benchmark::internal::FunctionBenchmark(#n, n)))
// Old-style macros
#define BENCHMARK_WITH_ARG(n, a) BENCHMARK(n)->Arg((a))
#define BENCHMARK_WITH_ARG2(n, a1, a2) BENCHMARK(n)->Args({(a1), (a2)})
#define BENCHMARK_WITH_UNIT(n, t) BENCHMARK(n)->Unit((t))
#define BENCHMARK_RANGE(n, lo, hi) BENCHMARK(n)->Range((lo), (hi))
#define BENCHMARK_RANGE2(n, l1, h1, l2, h2) \
BENCHMARK(n)->RangePair({{(l1), (h1)}, {(l2), (h2)}})
#if __cplusplus >= 201103L
// Register a benchmark which invokes the function specified by `func`
// with the additional arguments specified by `...`.
//
// For example:
//
// template <class ...ExtraArgs>`
// void BM_takes_args(benchmark::State& state, ExtraArgs&&... extra_args) {
// [...]
//}
// /* Registers a benchmark named "BM_takes_args/int_string_test` */
// BENCHMARK_CAPTURE(BM_takes_args, int_string_test, 42, std::string("abc"));
#define BENCHMARK_CAPTURE(func, test_case_name, ...) \
BENCHMARK_PRIVATE_DECLARE(func) = \
(::benchmark::internal::RegisterBenchmarkInternal( \
new ::benchmark::internal::FunctionBenchmark( \
#func "/" #test_case_name, \
[](::benchmark::State& st) { func(st, __VA_ARGS__); })))
#endif // __cplusplus >= 11
// This will register a benchmark for a templatized function. For example:
//
// template<int arg>
// void BM_Foo(int iters);
//
// BENCHMARK_TEMPLATE(BM_Foo, 1);
//
// will register BM_Foo<1> as a benchmark.
#define BENCHMARK_TEMPLATE1(n, a) \
BENCHMARK_PRIVATE_DECLARE(n) = \
(::benchmark::internal::RegisterBenchmarkInternal( \
new ::benchmark::internal::FunctionBenchmark(#n "<" #a ">", n<a>)))
#define BENCHMARK_TEMPLATE2(n, a, b) \
BENCHMARK_PRIVATE_DECLARE(n) = \
(::benchmark::internal::RegisterBenchmarkInternal( \
new ::benchmark::internal::FunctionBenchmark(#n "<" #a "," #b ">", \
n<a, b>)))
#if __cplusplus >= 201103L
#define BENCHMARK_TEMPLATE(n, ...) \
BENCHMARK_PRIVATE_DECLARE(n) = \
(::benchmark::internal::RegisterBenchmarkInternal( \
new ::benchmark::internal::FunctionBenchmark( \
#n "<" #__VA_ARGS__ ">", n<__VA_ARGS__>)))
#else
#define BENCHMARK_TEMPLATE(n, a) BENCHMARK_TEMPLATE1(n, a)
#endif
#define BENCHMARK_PRIVATE_DECLARE_F(BaseClass, Method) \
class BaseClass##_##Method##_Benchmark : public BaseClass { \
public: \
BaseClass##_##Method##_Benchmark() : BaseClass() { \
this->SetName(#BaseClass "/" #Method); \
} \
\
protected: \
virtual void BenchmarkCase(::benchmark::State&); \
};
#define BENCHMARK_DEFINE_F(BaseClass, Method) \
BENCHMARK_PRIVATE_DECLARE_F(BaseClass, Method) \
void BaseClass##_##Method##_Benchmark::BenchmarkCase
#define BENCHMARK_REGISTER_F(BaseClass, Method) \
BENCHMARK_PRIVATE_REGISTER_F(BaseClass##_##Method##_Benchmark)
#define BENCHMARK_PRIVATE_REGISTER_F(TestName) \
BENCHMARK_PRIVATE_DECLARE(TestName) = \
(::benchmark::internal::RegisterBenchmarkInternal(new TestName()))
// This macro will define and register a benchmark within a fixture class.
#define BENCHMARK_F(BaseClass, Method) \
BENCHMARK_PRIVATE_DECLARE_F(BaseClass, Method) \
BENCHMARK_REGISTER_F(BaseClass, Method); \
void BaseClass##_##Method##_Benchmark::BenchmarkCase
// Helper macro to create a main routine in a test that runs the benchmarks
#define BENCHMARK_MAIN() \
int main(int argc, char** argv) { \
::benchmark::Initialize(&argc, argv); \
::benchmark::RunSpecifiedBenchmarks(); \
}
#endif // BENCHMARK_BENCHMARK_API_H_

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@@ -1,66 +0,0 @@
// Copyright 2015 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef BENCHMARK_MACROS_H_
#define BENCHMARK_MACROS_H_
#if __cplusplus >= 201103L
#define BENCHMARK_HAS_CXX11
#endif
#ifndef BENCHMARK_HAS_CXX11
#define BENCHMARK_DISALLOW_COPY_AND_ASSIGN(TypeName) \
TypeName(const TypeName&); \
TypeName& operator=(const TypeName&)
#else
#define BENCHMARK_DISALLOW_COPY_AND_ASSIGN(TypeName) \
TypeName(const TypeName&) = delete; \
TypeName& operator=(const TypeName&) = delete
#endif
#if defined(__GNUC__)
#define BENCHMARK_UNUSED __attribute__((unused))
#define BENCHMARK_ALWAYS_INLINE __attribute__((always_inline))
#define BENCHMARK_NOEXCEPT noexcept
#define BENCHMARK_NOEXCEPT_OP(x) noexcept(x)
#elif defined(_MSC_VER) && !defined(__clang__)
#define BENCHMARK_UNUSED
#define BENCHMARK_ALWAYS_INLINE __forceinline
#if _MSC_VER >= 1900
#define BENCHMARK_NOEXCEPT noexcept
#define BENCHMARK_NOEXCEPT_OP(x) noexcept(x)
#else
#define BENCHMARK_NOEXCEPT
#define BENCHMARK_NOEXCEPT_OP(x)
#endif
#define __func__ __FUNCTION__
#else
#define BENCHMARK_UNUSED
#define BENCHMARK_ALWAYS_INLINE
#define BENCHMARK_NOEXCEPT
#define BENCHMARK_NOEXCEPT_OP(x)
#endif
#if defined(__GNUC__)
#define BENCHMARK_BUILTIN_EXPECT(x, y) __builtin_expect(x, y)
#define BENCHMARK_DEPRECATED_MSG(msg) __attribute__((deprecated(msg)))
#else
#define BENCHMARK_BUILTIN_EXPECT(x, y) x
#define BENCHMARK_DEPRECATED_MSG(msg)
#endif
#if defined(__GNUC__) && !defined(__clang__)
#define BENCHMARK_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)
#endif
#endif // BENCHMARK_MACROS_H_

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benchmark-v1.1.0/include/benchmark/reporter.h
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// Copyright 2015 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef BENCHMARK_REPORTER_H_
#define BENCHMARK_REPORTER_H_
#include <cassert>
#include <iosfwd>
#include <string>
#include <utility>
#include <vector>
#include "benchmark_api.h" // For forward declaration of BenchmarkReporter
namespace benchmark {
// Interface for custom benchmark result printers.
// By default, benchmark reports are printed to stdout. However an application
// can control the destination of the reports by calling
// RunSpecifiedBenchmarks and passing it a custom reporter object.
// The reporter object must implement the following interface.
class BenchmarkReporter {
public:
struct Context {
int num_cpus;
double mhz_per_cpu;
bool cpu_scaling_enabled;
// The number of chars in the longest benchmark name.
size_t name_field_width;
};
struct Run {
Run()
: error_occurred(false),
iterations(1),
time_unit(kNanosecond),
real_accumulated_time(0),
cpu_accumulated_time(0),
bytes_per_second(0),
items_per_second(0),
max_heapbytes_used(0),
complexity(oNone),
complexity_lambda(),
complexity_n(0),
report_big_o(false),
report_rms(false) {}
std::string benchmark_name;
std::string report_label; // Empty if not set by benchmark.
bool error_occurred;
std::string error_message;
int64_t iterations;
TimeUnit time_unit;
double real_accumulated_time;
double cpu_accumulated_time;
// Return a value representing the real time per iteration in the unit
// specified by 'time_unit'.
// NOTE: If 'iterations' is zero the returned value represents the
// accumulated time.
double GetAdjustedRealTime() const;
// Return a value representing the cpu time per iteration in the unit
// specified by 'time_unit'.
// NOTE: If 'iterations' is zero the returned value represents the
// accumulated time.
double GetAdjustedCPUTime() const;
// Zero if not set by benchmark.
double bytes_per_second;
double items_per_second;
// This is set to 0.0 if memory tracing is not enabled.
double max_heapbytes_used;
// Keep track of arguments to compute asymptotic complexity
BigO complexity;
BigOFunc* complexity_lambda;
int complexity_n;
// Inform print function whether the current run is a complexity report
bool report_big_o;
bool report_rms;
};
// Construct a BenchmarkReporter with the output stream set to 'std::cout'
// and the error stream set to 'std::cerr'
BenchmarkReporter();
// Called once for every suite of benchmarks run.
// The parameter "context" contains information that the
// reporter may wish to use when generating its report, for example the
// platform under which the benchmarks are running. The benchmark run is
// never started if this function returns false, allowing the reporter
// to skip runs based on the context information.
virtual bool ReportContext(const Context& context) = 0;
// Called once for each group of benchmark runs, gives information about
// cpu-time and heap memory usage during the benchmark run. If the group
// of runs contained more than two entries then 'report' contains additional
// elements representing the mean and standard deviation of those runs.
// Additionally if this group of runs was the last in a family of benchmarks
// 'reports' contains additional entries representing the asymptotic
// complexity and RMS of that benchmark family.
virtual void ReportRuns(const std::vector<Run>& report) = 0;
// Called once and only once after ever group of benchmarks is run and
// reported.
virtual void Finalize() {}
// REQUIRES: The object referenced by 'out' is valid for the lifetime
// of the reporter.
void SetOutputStream(std::ostream* out) {
assert(out);
output_stream_ = out;
}
// REQUIRES: The object referenced by 'err' is valid for the lifetime
// of the reporter.
void SetErrorStream(std::ostream* err) {
assert(err);
error_stream_ = err;
}
std::ostream& GetOutputStream() const { return *output_stream_; }
std::ostream& GetErrorStream() const { return *error_stream_; }
virtual ~BenchmarkReporter();
// Write a human readable string to 'out' representing the specified
// 'context'.
// REQUIRES: 'out' is non-null.
static void PrintBasicContext(std::ostream* out, Context const& context);
private:
std::ostream* output_stream_;
std::ostream* error_stream_;
};
// Simple reporter that outputs benchmark data to the console. This is the
// default reporter used by RunSpecifiedBenchmarks().
class ConsoleReporter : public BenchmarkReporter {
public:
enum OutputOptions { OO_None, OO_Color };
explicit ConsoleReporter(OutputOptions color_output = OO_Color)
: name_field_width_(0), color_output_(color_output == OO_Color) {}
virtual bool ReportContext(const Context& context);
virtual void ReportRuns(const std::vector<Run>& reports);
protected:
virtual void PrintRunData(const Run& report);
size_t name_field_width_;
private:
bool color_output_;
};
class JSONReporter : public BenchmarkReporter {
public:
JSONReporter() : first_report_(true) {}
virtual bool ReportContext(const Context& context);
virtual void ReportRuns(const std::vector<Run>& reports);
virtual void Finalize();
private:
void PrintRunData(const Run& report);
bool first_report_;
};
class CSVReporter : public BenchmarkReporter {
public:
virtual bool ReportContext(const Context& context);
virtual void ReportRuns(const std::vector<Run>& reports);
private:
void PrintRunData(const Run& report);
};
inline const char* GetTimeUnitString(TimeUnit unit) {
switch (unit) {
case kMillisecond:
return "ms";
case kMicrosecond:
return "us";
case kNanosecond:
default:
return "ns";
}
}
inline double GetTimeUnitMultiplier(TimeUnit unit) {
switch (unit) {
case kMillisecond:
return 1e3;
case kMicrosecond:
return 1e6;
case kNanosecond:
default:
return 1e9;
}
}
} // end namespace benchmark
#endif // BENCHMARK_REPORTER_H_

320
benchmark-v1.1.0/mingw.py
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@@ -1,320 +0,0 @@
#! /usr/bin/env python
# encoding: utf-8
import argparse
import errno
import logging
import os
import platform
import re
import sys
import subprocess
import tempfile
try:
import winreg
except ImportError:
import _winreg as winreg
try:
import urllib.request as request
except ImportError:
import urllib as request
try:
import urllib.parse as parse
except ImportError:
import urlparse as parse
class EmptyLogger(object):
'''
Provides an implementation that performs no logging
'''
def debug(self, *k, **kw):
pass
def info(self, *k, **kw):
pass
def warn(self, *k, **kw):
pass
def error(self, *k, **kw):
pass
def critical(self, *k, **kw):
pass
def setLevel(self, *k, **kw):
pass
urls = (
'http://downloads.sourceforge.net/project/mingw-w64/Toolchains%20'
'targetting%20Win32/Personal%20Builds/mingw-builds/installer/'
'repository.txt',
'http://downloads.sourceforge.net/project/mingwbuilds/host-windows/'
'repository.txt'
)
'''
A list of mingw-build repositories
'''
def repository(urls = urls, log = EmptyLogger()):
'''
Downloads and parse mingw-build repository files and parses them
'''
log.info('getting mingw-builds repository')
versions = {}
re_sourceforge = re.compile(r'http://sourceforge.net/projects/([^/]+)/files')
re_sub = r'http://downloads.sourceforge.net/project/\1'
for url in urls:
log.debug(' - requesting: %s', url)
socket = request.urlopen(url)
repo = socket.read()
if not isinstance(repo, str):
repo = repo.decode();
socket.close()
for entry in repo.split('\n')[:-1]:
value = entry.split('|')
version = tuple([int(n) for n in value[0].strip().split('.')])
version = versions.setdefault(version, {})
arch = value[1].strip()
if arch == 'x32':
arch = 'i686'
elif arch == 'x64':
arch = 'x86_64'
arch = version.setdefault(arch, {})
threading = arch.setdefault(value[2].strip(), {})
exceptions = threading.setdefault(value[3].strip(), {})
revision = exceptions.setdefault(int(value[4].strip()[3:]),
re_sourceforge.sub(re_sub, value[5].strip()))
return versions
def find_in_path(file, path=None):
'''
Attempts to find an executable in the path
'''
if platform.system() == 'Windows':
file += '.exe'
if path is None:
path = os.environ.get('PATH', '')
if type(path) is type(''):
path = path.split(os.pathsep)
return list(filter(os.path.exists,
map(lambda dir, file=file: os.path.join(dir, file), path)))
def find_7zip(log = EmptyLogger()):
'''
Attempts to find 7zip for unpacking the mingw-build archives
'''
log.info('finding 7zip')
path = find_in_path('7z')
if not path:
key = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, r'SOFTWARE\7-Zip')
path, _ = winreg.QueryValueEx(key, 'Path')
path = [os.path.join(path, '7z.exe')]
log.debug('found \'%s\'', path[0])
return path[0]
find_7zip()
def unpack(archive, location, log = EmptyLogger()):
'''
Unpacks a mingw-builds archive
'''
sevenzip = find_7zip(log)
log.info('unpacking %s', os.path.basename(archive))
cmd = [sevenzip, 'x', archive, '-o' + location, '-y']
log.debug(' - %r', cmd)
with open(os.devnull, 'w') as devnull:
subprocess.check_call(cmd, stdout = devnull)
def download(url, location, log = EmptyLogger()):
'''
Downloads and unpacks a mingw-builds archive
'''
log.info('downloading MinGW')
log.debug(' - url: %s', url)
log.debug(' - location: %s', location)
re_content = re.compile(r'attachment;[ \t]*filename=(")?([^"]*)(")?[\r\n]*')
stream = request.urlopen(url)
try:
content = stream.getheader('Content-Disposition') or ''
except AttributeError:
content = stream.headers.getheader('Content-Disposition') or ''
matches = re_content.match(content)
if matches:
filename = matches.group(2)
else:
parsed = parse.urlparse(stream.geturl())
filename = os.path.basename(parsed.path)
try:
os.makedirs(location)
except OSError as e:
if e.errno == errno.EEXIST and os.path.isdir(location):
pass
else:
raise
archive = os.path.join(location, filename)
with open(archive, 'wb') as out:
while True:
buf = stream.read(1024)
if not buf:
break
out.write(buf)
unpack(archive, location, log = log)
os.remove(archive)
possible = os.path.join(location, 'mingw64')
if not os.path.exists(possible):
possible = os.path.join(location, 'mingw32')
if not os.path.exists(possible):
raise ValueError('Failed to find unpacked MinGW: ' + possible)
return possible
def root(location = None, arch = None, version = None, threading = None,
exceptions = None, revision = None, log = EmptyLogger()):
'''
Returns the root folder of a specific version of the mingw-builds variant
of gcc. Will download the compiler if needed
'''
# Get the repository if we don't have all the information
if not (arch and version and threading and exceptions and revision):
versions = repository(log = log)
# Determine some defaults
version = version or max(versions.keys())
if not arch:
arch = platform.machine().lower()
if arch == 'x86':
arch = 'i686'
elif arch == 'amd64':
arch = 'x86_64'
if not threading:
keys = versions[version][arch].keys()
if 'posix' in keys:
threading = 'posix'
elif 'win32' in keys:
threading = 'win32'
else:
threading = keys[0]
if not exceptions:
keys = versions[version][arch][threading].keys()
if 'seh' in keys:
exceptions = 'seh'
elif 'sjlj' in keys:
exceptions = 'sjlj'
else:
exceptions = keys[0]
if revision == None:
revision = max(versions[version][arch][threading][exceptions].keys())
if not location:
location = os.path.join(tempfile.gettempdir(), 'mingw-builds')
# Get the download url
url = versions[version][arch][threading][exceptions][revision]
# Tell the user whatzzup
log.info('finding MinGW %s', '.'.join(str(v) for v in version))
log.debug(' - arch: %s', arch)
log.debug(' - threading: %s', threading)
log.debug(' - exceptions: %s', exceptions)
log.debug(' - revision: %s', revision)
log.debug(' - url: %s', url)
# Store each specific revision differently
slug = '{version}-{arch}-{threading}-{exceptions}-rev{revision}'
slug = slug.format(
version = '.'.join(str(v) for v in version),
arch = arch,
threading = threading,
exceptions = exceptions,
revision = revision
)
if arch == 'x86_64':
root_dir = os.path.join(location, slug, 'mingw64')
elif arch == 'i686':
root_dir = os.path.join(location, slug, 'mingw32')
else:
raise ValueError('Unknown MinGW arch: ' + arch)
# Download if needed
if not os.path.exists(root_dir):
downloaded = download(url, os.path.join(location, slug), log = log)
if downloaded != root_dir:
raise ValueError('The location of mingw did not match\n%s\n%s'
% (downloaded, root_dir))
return root_dir
def str2ver(string):
'''
Converts a version string into a tuple
'''
try:
version = tuple(int(v) for v in string.split('.'))
if len(version) is not 3:
raise ValueError()
except ValueError:
raise argparse.ArgumentTypeError(
'please provide a three digit version string')
return version
def main():
'''
Invoked when the script is run directly by the python interpreter
'''
parser = argparse.ArgumentParser(
description = 'Downloads a specific version of MinGW',
formatter_class = argparse.ArgumentDefaultsHelpFormatter
)
parser.add_argument('--location',
help = 'the location to download the compiler to',
default = os.path.join(tempfile.gettempdir(), 'mingw-builds'))
parser.add_argument('--arch', required = True, choices = ['i686', 'x86_64'],
help = 'the target MinGW architecture string')
parser.add_argument('--version', type = str2ver,
help = 'the version of GCC to download')
parser.add_argument('--threading', choices = ['posix', 'win32'],
help = 'the threading type of the compiler')
parser.add_argument('--exceptions', choices = ['sjlj', 'seh', 'dwarf'],
help = 'the method to throw exceptions')
parser.add_argument('--revision', type=int,
help = 'the revision of the MinGW release')
group = parser.add_mutually_exclusive_group()
group.add_argument('-v', '--verbose', action='store_true',
help='increase the script output verbosity')
group.add_argument('-q', '--quiet', action='store_true',
help='only print errors and warning')
args = parser.parse_args()
# Create the logger
logger = logging.getLogger('mingw')
handler = logging.StreamHandler()
formatter = logging.Formatter('%(message)s')
handler.setFormatter(formatter)
logger.addHandler(handler)
logger.setLevel(logging.INFO)
if args.quiet:
logger.setLevel(logging.WARN)
if args.verbose:
logger.setLevel(logging.DEBUG)
# Get MinGW
root_dir = root(location = args.location, arch = args.arch,
version = args.version, threading = args.threading,
exceptions = args.exceptions, revision = args.revision,
log = logger)
sys.stdout.write('%s\n' % os.path.join(root_dir, 'bin'))
if __name__ == '__main__':
try:
main()
except IOError as e:
sys.stderr.write('IO error: %s\n' % e)
sys.exit(1)
except OSError as e:
sys.stderr.write('OS error: %s\n' % e)
sys.exit(1)
except KeyboardInterrupt as e:
sys.stderr.write('Killed\n')
sys.exit(1)

44
benchmark-v1.1.0/src/CMakeLists.txt
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@@ -1,44 +0,0 @@
# Allow the source files to find headers in src/
include_directories(${PROJECT_SOURCE_DIR}/src)
if (DEFINED BENCHMARK_CXX_LINKER_FLAGS)
list(APPEND CMAKE_SHARED_LINKER_FLAGS ${BENCHMARK_CXX_LINKER_FLAGS})
list(APPEND CMAKE_MODULE_LINKER_FLAGS ${BENCHMARK_CXX_LINKER_FLAGS})
endif()
file(GLOB
SOURCE_FILES
*.cc
${PROJECT_SOURCE_DIR}/include/benchmark/*.h
${CMAKE_CURRENT_SOURCE_DIR}/*.h)
add_library(benchmark ${SOURCE_FILES})
set_target_properties(benchmark PROPERTIES
OUTPUT_NAME "benchmark"
VERSION ${GENERIC_LIB_VERSION}
SOVERSION ${GENERIC_LIB_SOVERSION}
)
# Link threads.
target_link_libraries(benchmark ${BENCHMARK_CXX_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
# We need extra libraries on Windows
if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
target_link_libraries(benchmark Shlwapi)
endif()
# Expose public API
target_include_directories(benchmark PUBLIC ${PROJECT_SOURCE_DIR}/include)
# Install target (will install the library to specified CMAKE_INSTALL_PREFIX variable)
install(
TARGETS benchmark
ARCHIVE DESTINATION lib
LIBRARY DESTINATION lib
RUNTIME DESTINATION bin
COMPONENT library)
install(
DIRECTORY "${PROJECT_SOURCE_DIR}/include/benchmark"
DESTINATION include
FILES_MATCHING PATTERN "*.*h")

33
benchmark-v1.1.0/src/arraysize.h
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@@ -1,33 +0,0 @@
#ifndef BENCHMARK_ARRAYSIZE_H_
#define BENCHMARK_ARRAYSIZE_H_
#include "internal_macros.h"
namespace benchmark {
namespace internal {
// The arraysize(arr) macro returns the # of elements in an array arr.
// The expression is a compile-time constant, and therefore can be
// used in defining new arrays, for example. If you use arraysize on
// a pointer by mistake, you will get a compile-time error.
//
// This template function declaration is used in defining arraysize.
// Note that the function doesn't need an implementation, as we only
// use its type.
template <typename T, size_t N>
char (&ArraySizeHelper(T (&array)[N]))[N];
// That gcc wants both of these prototypes seems mysterious. VC, for
// its part, can't decide which to use (another mystery). Matching of
// template overloads: the final frontier.
#ifndef COMPILER_MSVC
template <typename T, size_t N>
char (&ArraySizeHelper(const T (&array)[N]))[N];
#endif
#define arraysize(array) (sizeof(::benchmark::internal::ArraySizeHelper(array)))
} // end namespace internal
} // end namespace benchmark
#endif // BENCHMARK_ARRAYSIZE_H_

667
benchmark-v1.1.0/src/benchmark.cc
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@@ -1,667 +0,0 @@
// Copyright 2015 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "benchmark/benchmark.h"
#include "benchmark_api_internal.h"
#include "internal_macros.h"
#ifndef BENCHMARK_OS_WINDOWS
#include <sys/resource.h>
#include <sys/time.h>
#include <unistd.h>
#endif
#include <algorithm>
#include <atomic>
#include <condition_variable>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <fstream>
#include <iostream>
#include <memory>
#include <thread>
#include "check.h"
#include "colorprint.h"
#include "commandlineflags.h"
#include "complexity.h"
#include "log.h"
#include "mutex.h"
#include "re.h"
#include "stat.h"
#include "string_util.h"
#include "sysinfo.h"
#include "timers.h"
DEFINE_bool(benchmark_list_tests, false,
"Print a list of benchmarks. This option overrides all other "
"options.");
DEFINE_string(benchmark_filter, ".",
"A regular expression that specifies the set of benchmarks "
"to execute. If this flag is empty, no benchmarks are run. "
"If this flag is the string \"all\", all benchmarks linked "
"into the process are run.");
DEFINE_double(benchmark_min_time, 0.5,
"Minimum number of seconds we should run benchmark before "
"results are considered significant. For cpu-time based "
"tests, this is the lower bound on the total cpu time "
"used by all threads that make up the test. For real-time "
"based tests, this is the lower bound on the elapsed time "
"of the benchmark execution, regardless of number of "
"threads.");
DEFINE_int32(benchmark_repetitions, 1,
"The number of runs of each benchmark. If greater than 1, the "
"mean and standard deviation of the runs will be reported.");
DEFINE_bool(benchmark_report_aggregates_only, false,
"Report the result of each benchmark repetitions. When 'true' is "
"specified only the mean, standard deviation, and other statistics "
"are reported for repeated benchmarks.");
DEFINE_string(benchmark_format, "console",
"The format to use for console output. Valid values are "
"'console', 'json', or 'csv'.");
DEFINE_string(benchmark_out_format, "json",
"The format to use for file output. Valid values are "
"'console', 'json', or 'csv'.");
DEFINE_string(benchmark_out, "", "The file to write additonal output to");
DEFINE_string(benchmark_color, "auto",
"Whether to use colors in the output. Valid values: "
"'true'/'yes'/1, 'false'/'no'/0, and 'auto'. 'auto' means to use "
"colors if the output is being sent to a terminal and the TERM "
"environment variable is set to a terminal type that supports "
"colors.");
DEFINE_int32(v, 0, "The level of verbose logging to output");
namespace benchmark {
namespace internal {
void UseCharPointer(char const volatile*) {}
} // end namespace internal
namespace {
static const size_t kMaxIterations = 1000000000;
} // end namespace
namespace internal {
class ThreadManager {
public:
ThreadManager(int num_threads)
: alive_threads_(num_threads), start_stop_barrier_(num_threads) {}
Mutex& GetBenchmarkMutex() const RETURN_CAPABILITY(benchmark_mutex_) {
return benchmark_mutex_;
}
bool StartStopBarrier() EXCLUDES(end_cond_mutex_) {
return start_stop_barrier_.wait();
}
void NotifyThreadComplete() EXCLUDES(end_cond_mutex_) {
start_stop_barrier_.removeThread();
if (--alive_threads_ == 0) {
MutexLock lock(end_cond_mutex_);
end_condition_.notify_all();
}
}
void WaitForAllThreads() EXCLUDES(end_cond_mutex_) {
MutexLock lock(end_cond_mutex_);
end_condition_.wait(lock.native_handle(),
[this]() { return alive_threads_ == 0; });
}
public:
struct Result {
double real_time_used = 0;
double cpu_time_used = 0;
double manual_time_used = 0;
int64_t bytes_processed = 0;
int64_t items_processed = 0;
int complexity_n = 0;
std::string report_label_;
std::string error_message_;
bool has_error_ = false;
};
GUARDED_BY(GetBenchmarkMutex()) Result results;
private:
mutable Mutex benchmark_mutex_;
std::atomic<int> alive_threads_;
Barrier start_stop_barrier_;
Mutex end_cond_mutex_;
Condition end_condition_;
};
// Timer management class
class ThreadTimer {
public:
ThreadTimer() = default;
// Called by each thread
void StartTimer() {
running_ = true;
start_real_time_ = ChronoClockNow();
start_cpu_time_ = ThreadCPUUsage();
}
// Called by each thread
void StopTimer() {
CHECK(running_);
running_ = false;
real_time_used_ += ChronoClockNow() - start_real_time_;
cpu_time_used_ += ThreadCPUUsage() - start_cpu_time_;
}
// Called by each thread
void SetIterationTime(double seconds) { manual_time_used_ += seconds; }
bool running() const { return running_; }
// REQUIRES: timer is not running
double real_time_used() {
CHECK(!running_);
return real_time_used_;
}
// REQUIRES: timer is not running
double cpu_time_used() {
CHECK(!running_);
return cpu_time_used_;
}
// REQUIRES: timer is not running
double manual_time_used() {
CHECK(!running_);
return manual_time_used_;
}
private:
bool running_ = false; // Is the timer running
double start_real_time_ = 0; // If running_
double start_cpu_time_ = 0; // If running_
// Accumulated time so far (does not contain current slice if running_)
double real_time_used_ = 0;
double cpu_time_used_ = 0;
// Manually set iteration time. User sets this with SetIterationTime(seconds).
double manual_time_used_ = 0;
};
namespace {
BenchmarkReporter::Run CreateRunReport(
const benchmark::internal::Benchmark::Instance& b,
const internal::ThreadManager::Result& results, size_t iters,
double seconds) {
// Create report about this benchmark run.
BenchmarkReporter::Run report;
report.benchmark_name = b.name;
report.error_occurred = results.has_error_;
report.error_message = results.error_message_;
report.report_label = results.report_label_;
// Report the total iterations across all threads.
report.iterations = static_cast<int64_t>(iters) * b.threads;
report.time_unit = b.time_unit;
if (!report.error_occurred) {
double bytes_per_second = 0;
if (results.bytes_processed > 0 && seconds > 0.0) {
bytes_per_second = (results.bytes_processed / seconds);
}
double items_per_second = 0;
if (results.items_processed > 0 && seconds > 0.0) {
items_per_second = (results.items_processed / seconds);
}
if (b.use_manual_time) {
report.real_accumulated_time = results.manual_time_used;
} else {
report.real_accumulated_time = results.real_time_used;
}
report.cpu_accumulated_time = results.cpu_time_used;
report.bytes_per_second = bytes_per_second;
report.items_per_second = items_per_second;
report.complexity_n = results.complexity_n;
report.complexity = b.complexity;
report.complexity_lambda = b.complexity_lambda;
}
return report;
}
// Execute one thread of benchmark b for the specified number of iterations.
// Adds the stats collected for the thread into *total.
void RunInThread(const benchmark::internal::Benchmark::Instance* b,
size_t iters, int thread_id,
internal::ThreadManager* manager) {
internal::ThreadTimer timer;
State st(iters, b->arg, thread_id, b->threads, &timer, manager);
b->benchmark->Run(st);
CHECK(st.iterations() == st.max_iterations)
<< "Benchmark returned before State::KeepRunning() returned false!";
{
MutexLock l(manager->GetBenchmarkMutex());
internal::ThreadManager::Result& results = manager->results;
results.cpu_time_used += timer.cpu_time_used();
results.real_time_used += timer.real_time_used();
results.manual_time_used += timer.manual_time_used();
results.bytes_processed += st.bytes_processed();
results.items_processed += st.items_processed();
results.complexity_n += st.complexity_length_n();
}
manager->NotifyThreadComplete();
}
std::vector<BenchmarkReporter::Run> RunBenchmark(
const benchmark::internal::Benchmark::Instance& b,
std::vector<BenchmarkReporter::Run>* complexity_reports) {
std::vector<BenchmarkReporter::Run> reports; // return value
size_t iters = 1;
std::unique_ptr<internal::ThreadManager> manager;
std::vector<std::thread> pool(b.threads - 1);
const int repeats =
b.repetitions != 0 ? b.repetitions : FLAGS_benchmark_repetitions;
const bool report_aggregates_only =
repeats != 1 &&
(b.report_mode == internal::RM_Unspecified
? FLAGS_benchmark_report_aggregates_only
: b.report_mode == internal::RM_ReportAggregatesOnly);
for (int i = 0; i < repeats; i++) {
for (;;) {
// Try benchmark
VLOG(2) << "Running " << b.name << " for " << iters << "\n";
manager.reset(new internal::ThreadManager(b.threads));
for (std::size_t ti = 0; ti < pool.size(); ++ti) {
pool[ti] = std::thread(&RunInThread, &b, iters,
static_cast<int>(ti + 1), manager.get());
}
RunInThread(&b, iters, 0, manager.get());
manager->WaitForAllThreads();
for (std::thread& thread : pool) thread.join();
internal::ThreadManager::Result results;
{
MutexLock l(manager->GetBenchmarkMutex());
results = manager->results;
}
manager.reset();
// Adjust real/manual time stats since they were reported per thread.
results.real_time_used /= b.threads;
results.manual_time_used /= b.threads;
VLOG(2) << "Ran in " << results.cpu_time_used << "/"
<< results.real_time_used << "\n";
// Base decisions off of real time if requested by this benchmark.
double seconds = results.cpu_time_used;
if (b.use_manual_time) {
seconds = results.manual_time_used;
} else if (b.use_real_time) {
seconds = results.real_time_used;
}
const double min_time =
!IsZero(b.min_time) ? b.min_time : FLAGS_benchmark_min_time;
// If this was the first run, was elapsed time or cpu time large enough?
// If this is not the first run, go with the current value of iter.
if ((i > 0) || results.has_error_ || (iters >= kMaxIterations) ||
(seconds >= min_time) || (results.real_time_used >= 5 * min_time)) {
BenchmarkReporter::Run report =
CreateRunReport(b, results, iters, seconds);
if (!report.error_occurred && b.complexity != oNone)
complexity_reports->push_back(report);
reports.push_back(report);
break;
}
// See how much iterations should be increased by
// Note: Avoid division by zero with max(seconds, 1ns).
double multiplier = min_time * 1.4 / std::max(seconds, 1e-9);
// If our last run was at least 10% of FLAGS_benchmark_min_time then we
// use the multiplier directly. Otherwise we use at most 10 times
// expansion.
// NOTE: When the last run was at least 10% of the min time the max
// expansion should be 14x.
bool is_significant = (seconds / min_time) > 0.1;
multiplier = is_significant ? multiplier : std::min(10.0, multiplier);
if (multiplier <= 1.0) multiplier = 2.0;
double next_iters = std::max(multiplier * iters, iters + 1.0);
if (next_iters > kMaxIterations) {
next_iters = kMaxIterations;
}
VLOG(3) << "Next iters: " << next_iters << ", " << multiplier << "\n";
iters = static_cast<int>(next_iters + 0.5);
}
}
// Calculate additional statistics
auto stat_reports = ComputeStats(reports);
if ((b.complexity != oNone) && b.last_benchmark_instance) {
auto additional_run_stats = ComputeBigO(*complexity_reports);
stat_reports.insert(stat_reports.end(), additional_run_stats.begin(),
additional_run_stats.end());
complexity_reports->clear();
}
if (report_aggregates_only) reports.clear();
reports.insert(reports.end(), stat_reports.begin(), stat_reports.end());
return reports;
}
} // namespace
} // namespace internal
State::State(size_t max_iters, const std::vector<int>& ranges, int thread_i,
int n_threads, internal::ThreadTimer* timer,
internal::ThreadManager* manager)
: started_(false),
finished_(false),
total_iterations_(0),
range_(ranges),
bytes_processed_(0),
items_processed_(0),
complexity_n_(0),
error_occurred_(false),
thread_index(thread_i),
threads(n_threads),
max_iterations(max_iters),
timer_(timer),
manager_(manager) {
CHECK(max_iterations != 0) << "At least one iteration must be run";
CHECK_LT(thread_index, threads) << "thread_index must be less than threads";
}
void State::PauseTiming() {
// Add in time accumulated so far
CHECK(started_ && !finished_ && !error_occurred_);
timer_->StopTimer();
}
void State::ResumeTiming() {
CHECK(started_ && !finished_ && !error_occurred_);
timer_->StartTimer();
}
void State::SkipWithError(const char* msg) {
CHECK(msg);
error_occurred_ = true;
{
MutexLock l(manager_->GetBenchmarkMutex());
if (manager_->results.has_error_ == false) {
manager_->results.error_message_ = msg;
manager_->results.has_error_ = true;
}
}
total_iterations_ = max_iterations;
if (timer_->running()) timer_->StopTimer();
}
void State::SetIterationTime(double seconds) {
timer_->SetIterationTime(seconds);
}
void State::SetLabel(const char* label) {
MutexLock l(manager_->GetBenchmarkMutex());
manager_->results.report_label_ = label;
}
void State::StartKeepRunning() {
CHECK(!started_ && !finished_);
started_ = true;
manager_->StartStopBarrier();
if (!error_occurred_) ResumeTiming();
}
void State::FinishKeepRunning() {
CHECK(started_ && (!finished_ || error_occurred_));
if (!error_occurred_) {
PauseTiming();
}
// Total iterations now is one greater than max iterations. Fix this.
total_iterations_ = max_iterations;
finished_ = true;
manager_->StartStopBarrier();
}
namespace internal {
namespace {
void RunBenchmarks(const std::vector<Benchmark::Instance>& benchmarks,
BenchmarkReporter* console_reporter,
BenchmarkReporter* file_reporter) {
// Note the file_reporter can be null.
CHECK(console_reporter != nullptr);
// Determine the width of the name field using a minimum width of 10.
bool has_repetitions = FLAGS_benchmark_repetitions > 1;
size_t name_field_width = 10;
for (const Benchmark::Instance& benchmark : benchmarks) {
name_field_width =
std::max<size_t>(name_field_width, benchmark.name.size());
has_repetitions |= benchmark.repetitions > 1;
}
if (has_repetitions) name_field_width += std::strlen("_stddev");
// Print header here
BenchmarkReporter::Context context;
context.num_cpus = NumCPUs();
context.mhz_per_cpu = CyclesPerSecond() / 1000000.0f;
context.cpu_scaling_enabled = CpuScalingEnabled();
context.name_field_width = name_field_width;
// Keep track of runing times of all instances of current benchmark
std::vector<BenchmarkReporter::Run> complexity_reports;
// We flush streams after invoking reporter methods that write to them. This
// ensures users get timely updates even when streams are not line-buffered.
auto flushStreams = [](BenchmarkReporter* reporter) {
if (!reporter) return;
std::flush(reporter->GetOutputStream());
std::flush(reporter->GetErrorStream());
};
if (console_reporter->ReportContext(context) &&
(!file_reporter || file_reporter->ReportContext(context))) {
flushStreams(console_reporter);
flushStreams(file_reporter);
for (const auto& benchmark : benchmarks) {
std::vector<BenchmarkReporter::Run> reports =
RunBenchmark(benchmark, &complexity_reports);
console_reporter->ReportRuns(reports);
if (file_reporter) file_reporter->ReportRuns(reports);
flushStreams(console_reporter);
flushStreams(file_reporter);
}
}
console_reporter->Finalize();
if (file_reporter) file_reporter->Finalize();
flushStreams(console_reporter);
flushStreams(file_reporter);
}
std::unique_ptr<BenchmarkReporter> CreateReporter(
std::string const& name, ConsoleReporter::OutputOptions allow_color) {
typedef std::unique_ptr<BenchmarkReporter> PtrType;
if (name == "console") {
return PtrType(new ConsoleReporter(allow_color));
} else if (name == "json") {
return PtrType(new JSONReporter);
} else if (name == "csv") {
return PtrType(new CSVReporter);
} else {
std::cerr << "Unexpected format: '" << name << "'\n";
std::exit(1);
}
}
} // end namespace
} // end namespace internal
size_t RunSpecifiedBenchmarks() {
return RunSpecifiedBenchmarks(nullptr, nullptr);
}
size_t RunSpecifiedBenchmarks(BenchmarkReporter* console_reporter) {
return RunSpecifiedBenchmarks(console_reporter, nullptr);
}
size_t RunSpecifiedBenchmarks(BenchmarkReporter* console_reporter,
BenchmarkReporter* file_reporter) {
std::string spec = FLAGS_benchmark_filter;
if (spec.empty() || spec == "all")
spec = "."; // Regexp that matches all benchmarks
// Setup the reporters
std::ofstream output_file;
std::unique_ptr<BenchmarkReporter> default_console_reporter;
std::unique_ptr<BenchmarkReporter> default_file_reporter;
if (!console_reporter) {
auto output_opts = ConsoleReporter::OO_None;
if (FLAGS_benchmark_color == "auto")
output_opts = IsColorTerminal() ? ConsoleReporter::OO_Color
: ConsoleReporter::OO_None;
else
output_opts = IsTruthyFlagValue(FLAGS_benchmark_color)
? ConsoleReporter::OO_Color
: ConsoleReporter::OO_None;
default_console_reporter =
internal::CreateReporter(FLAGS_benchmark_format, output_opts);
console_reporter = default_console_reporter.get();
}
auto& Out = console_reporter->GetOutputStream();
auto& Err = console_reporter->GetErrorStream();
std::string const& fname = FLAGS_benchmark_out;
if (fname == "" && file_reporter) {
Err << "A custom file reporter was provided but "
"--benchmark_out=<file> was not specified."
<< std::endl;
std::exit(1);
}
if (fname != "") {
output_file.open(fname);
if (!output_file.is_open()) {
Err << "invalid file name: '" << fname << std::endl;
std::exit(1);
}
if (!file_reporter) {
default_file_reporter = internal::CreateReporter(
FLAGS_benchmark_out_format, ConsoleReporter::OO_None);
file_reporter = default_file_reporter.get();
}
file_reporter->SetOutputStream(&output_file);
file_reporter->SetErrorStream(&output_file);
}
std::vector<internal::Benchmark::Instance> benchmarks;
if (!FindBenchmarksInternal(spec, &benchmarks, &Err)) return 0;
if (benchmarks.empty()) {
Err << "Failed to match any benchmarks against regex: " << spec << "\n";
return 0;
}
if (FLAGS_benchmark_list_tests) {
for (auto const& benchmark : benchmarks) Out << benchmark.name << "\n";
} else {
internal::RunBenchmarks(benchmarks, console_reporter, file_reporter);
}
return benchmarks.size();
}
namespace internal {
void PrintUsageAndExit() {
fprintf(stdout,
"benchmark"
" [--benchmark_list_tests={true|false}]\n"
" [--benchmark_filter=<regex>]\n"
" [--benchmark_min_time=<min_time>]\n"
" [--benchmark_repetitions=<num_repetitions>]\n"
" [--benchmark_report_aggregates_only={true|false}\n"
" [--benchmark_format=<console|json|csv>]\n"
" [--benchmark_out=<filename>]\n"
" [--benchmark_out_format=<json|console|csv>]\n"
" [--benchmark_color={auto|true|false}]\n"
" [--v=<verbosity>]\n");
exit(0);
}
void ParseCommandLineFlags(int* argc, char** argv) {
using namespace benchmark;
for (int i = 1; i < *argc; ++i) {
if (ParseBoolFlag(argv[i], "benchmark_list_tests",
&FLAGS_benchmark_list_tests) ||
ParseStringFlag(argv[i], "benchmark_filter", &FLAGS_benchmark_filter) ||
ParseDoubleFlag(argv[i], "benchmark_min_time",
&FLAGS_benchmark_min_time) ||
ParseInt32Flag(argv[i], "benchmark_repetitions",
&FLAGS_benchmark_repetitions) ||
ParseBoolFlag(argv[i], "benchmark_report_aggregates_only",
&FLAGS_benchmark_report_aggregates_only) ||
ParseStringFlag(argv[i], "benchmark_format", &FLAGS_benchmark_format) ||
ParseStringFlag(argv[i], "benchmark_out", &FLAGS_benchmark_out) ||
ParseStringFlag(argv[i], "benchmark_out_format",
&FLAGS_benchmark_out_format) ||
ParseStringFlag(argv[i], "benchmark_color", &FLAGS_benchmark_color) ||
// "color_print" is the deprecated name for "benchmark_color".
// TODO: Remove this.
ParseStringFlag(argv[i], "color_print", &FLAGS_benchmark_color) ||
ParseInt32Flag(argv[i], "v", &FLAGS_v)) {
for (int j = i; j != *argc; ++j) argv[j] = argv[j + 1];
--(*argc);
--i;
} else if (IsFlag(argv[i], "help")) {
PrintUsageAndExit();
}
}
for (auto const* flag :
{&FLAGS_benchmark_format, &FLAGS_benchmark_out_format})
if (*flag != "console" && *flag != "json" && *flag != "csv") {
PrintUsageAndExit();
}
if (FLAGS_benchmark_color.empty()) {
PrintUsageAndExit();
}
}
int InitializeStreams() {
static std::ios_base::Init init;
return 0;
}
} // end namespace internal
void Initialize(int* argc, char** argv) {
internal::ParseCommandLineFlags(argc, argv);
internal::LogLevel() = FLAGS_v;
}
} // end namespace benchmark

47
benchmark-v1.1.0/src/benchmark_api_internal.h
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@@ -1,47 +0,0 @@
#ifndef BENCHMARK_API_INTERNAL_H
#define BENCHMARK_API_INTERNAL_H
#include "benchmark/benchmark_api.h"
#include <cmath>
#include <iosfwd>
#include <limits>
#include <string>
#include <vector>
namespace benchmark {
namespace internal {
// Information kept per benchmark we may want to run
struct Benchmark::Instance {
std::string name;
Benchmark* benchmark;
ReportMode report_mode;
std::vector<int> arg;
TimeUnit time_unit;
int range_multiplier;
bool use_real_time;
bool use_manual_time;
BigO complexity;
BigOFunc* complexity_lambda;
bool last_benchmark_instance;
int repetitions;
double min_time;
int threads; // Number of concurrent threads to us
};
bool FindBenchmarksInternal(const std::string& re,
std::vector<Benchmark::Instance>* benchmarks,
std::ostream* Err);
namespace {
bool IsZero(double n) {
return std::abs(n) < std::numeric_limits<double>::epsilon();
}
} // end namespace
} // end namespace internal
} // end namespace benchmark
#endif // BENCHMARK_API_INTERNAL_H

439
benchmark-v1.1.0/src/benchmark_register.cc
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@@ -1,439 +0,0 @@
// Copyright 2015 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "benchmark/benchmark.h"
#include "benchmark_api_internal.h"
#include "internal_macros.h"
#ifndef BENCHMARK_OS_WINDOWS
#include <sys/resource.h>
#include <sys/time.h>
#include <unistd.h>
#endif
#include <algorithm>
#include <atomic>
#include <condition_variable>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <fstream>
#include <iostream>
#include <memory>
#include <thread>
#include "check.h"
#include "commandlineflags.h"
#include "complexity.h"
#include "log.h"
#include "mutex.h"
#include "re.h"
#include "stat.h"
#include "string_util.h"
#include "sysinfo.h"
#include "timers.h"
namespace benchmark {
namespace {
// For non-dense Range, intermediate values are powers of kRangeMultiplier.
static const int kRangeMultiplier = 8;
// The size of a benchmark family determines is the number of inputs to repeat
// the benchmark on. If this is "large" then warn the user during configuration.
static const size_t kMaxFamilySize = 100;
} // end namespace
namespace internal {
//=============================================================================//
// BenchmarkFamilies
//=============================================================================//
// Class for managing registered benchmarks. Note that each registered
// benchmark identifies a family of related benchmarks to run.
class BenchmarkFamilies {
public:
static BenchmarkFamilies* GetInstance();
// Registers a benchmark family and returns the index assigned to it.
size_t AddBenchmark(std::unique_ptr<Benchmark> family);
// Extract the list of benchmark instances that match the specified
// regular expression.
bool FindBenchmarks(const std::string& re,
std::vector<Benchmark::Instance>* benchmarks,
std::ostream* Err);
private:
BenchmarkFamilies() {}
std::vector<std::unique_ptr<Benchmark>> families_;
Mutex mutex_;
};
BenchmarkFamilies* BenchmarkFamilies::GetInstance() {
static BenchmarkFamilies instance;
return &instance;
}
size_t BenchmarkFamilies::AddBenchmark(std::unique_ptr<Benchmark> family) {
MutexLock l(mutex_);
size_t index = families_.size();
families_.push_back(std::move(family));
return index;
}
bool BenchmarkFamilies::FindBenchmarks(
const std::string& spec, std::vector<Benchmark::Instance>* benchmarks,
std::ostream* ErrStream) {
CHECK(ErrStream);
auto& Err = *ErrStream;
// Make regular expression out of command-line flag
std::string error_msg;
Regex re;
if (!re.Init(spec, &error_msg)) {
Err << "Could not compile benchmark re: " << error_msg << std::endl;
return false;
}
// Special list of thread counts to use when none are specified
const std::vector<int> one_thread = {1};
MutexLock l(mutex_);
for (std::unique_ptr<Benchmark>& family : families_) {
// Family was deleted or benchmark doesn't match
if (!family) continue;
if (family->ArgsCnt() == -1) {
family->Args({});
}
const std::vector<int>* thread_counts =
(family->thread_counts_.empty()
? &one_thread
: &static_cast<const std::vector<int>&>(family->thread_counts_));
const size_t family_size = family->args_.size() * thread_counts->size();
// The benchmark will be run at least 'family_size' different inputs.
// If 'family_size' is very large warn the user.
if (family_size > kMaxFamilySize) {
Err << "The number of inputs is very large. " << family->name_
<< " will be repeated at least " << family_size << " times.\n";
}
// reserve in the special case the regex ".", since we know the final
// family size.
if (spec == ".") benchmarks->reserve(family_size);
for (auto const& args : family->args_) {
for (int num_threads : *thread_counts) {
Benchmark::Instance instance;
instance.name = family->name_;
instance.benchmark = family.get();
instance.report_mode = family->report_mode_;
instance.arg = args;
instance.time_unit = family->time_unit_;
instance.range_multiplier = family->range_multiplier_;
instance.min_time = family->min_time_;
instance.repetitions = family->repetitions_;
instance.use_real_time = family->use_real_time_;
instance.use_manual_time = family->use_manual_time_;
instance.complexity = family->complexity_;
instance.complexity_lambda = family->complexity_lambda_;
instance.threads = num_threads;
// Add arguments to instance name
size_t arg_i = 0;
for (auto const& arg : args) {
instance.name += "/";
if (arg_i < family->arg_names_.size()) {
const auto& arg_name = family->arg_names_[arg_i];
if (!arg_name.empty()) {
instance.name +=
StringPrintF("%s:", family->arg_names_[arg_i].c_str());
}
}
AppendHumanReadable(arg, &instance.name);
++arg_i;
}
if (!IsZero(family->min_time_)) {
instance.name += StringPrintF("/min_time:%0.3f", family->min_time_);
}
if (family->repetitions_ != 0) {
instance.name += StringPrintF("/repeats:%d", family->repetitions_);
}
if (family->use_manual_time_) {
instance.name += "/manual_time";
} else if (family->use_real_time_) {
instance.name += "/real_time";
}
// Add the number of threads used to the name
if (!family->thread_counts_.empty()) {
instance.name += StringPrintF("/threads:%d", instance.threads);
}
if (re.Match(instance.name)) {
instance.last_benchmark_instance = (&args == &family->args_.back());
benchmarks->push_back(std::move(instance));
}
}
}
}
return true;
}
Benchmark* RegisterBenchmarkInternal(Benchmark* bench) {
std::unique_ptr<Benchmark> bench_ptr(bench);
BenchmarkFamilies* families = BenchmarkFamilies::GetInstance();
families->AddBenchmark(std::move(bench_ptr));
return bench;
}
// FIXME: This function is a hack so that benchmark.cc can access
// `BenchmarkFamilies`
bool FindBenchmarksInternal(const std::string& re,
std::vector<Benchmark::Instance>* benchmarks,
std::ostream* Err) {
return BenchmarkFamilies::GetInstance()->FindBenchmarks(re, benchmarks, Err);
}
//=============================================================================//
// Benchmark
//=============================================================================//
Benchmark::Benchmark(const char* name)
: name_(name),
report_mode_(RM_Unspecified),
time_unit_(kNanosecond),
range_multiplier_(kRangeMultiplier),
min_time_(0),
repetitions_(0),
use_real_time_(false),
use_manual_time_(false),
complexity_(oNone),
complexity_lambda_(nullptr) {}
Benchmark::~Benchmark() {}
void Benchmark::AddRange(std::vector<int>* dst, int lo, int hi, int mult) {
CHECK_GE(lo, 0);
CHECK_GE(hi, lo);
CHECK_GE(mult, 2);
// Add "lo"
dst->push_back(lo);
static const int kint32max = std::numeric_limits<int32_t>::max();
// Now space out the benchmarks in multiples of "mult"
for (int32_t i = 1; i < kint32max / mult; i *= mult) {
if (i >= hi) break;
if (i > lo) {
dst->push_back(i);
}
}
// Add "hi" (if different from "lo")
if (hi != lo) {
dst->push_back(hi);
}
}
Benchmark* Benchmark::Arg(int x) {
CHECK(ArgsCnt() == -1 || ArgsCnt() == 1);
args_.push_back({x});
return this;
}
Benchmark* Benchmark::Unit(TimeUnit unit) {
time_unit_ = unit;
return this;
}
Benchmark* Benchmark::Range(int start, int limit) {
CHECK(ArgsCnt() == -1 || ArgsCnt() == 1);
std::vector<int> arglist;
AddRange(&arglist, start, limit, range_multiplier_);
for (int i : arglist) {
args_.push_back({i});
}
return this;
}
Benchmark* Benchmark::Ranges(const std::vector<std::pair<int, int>>& ranges) {
CHECK(ArgsCnt() == -1 || ArgsCnt() == static_cast<int>(ranges.size()));
std::vector<std::vector<int>> arglists(ranges.size());
std::size_t total = 1;
for (std::size_t i = 0; i < ranges.size(); i++) {
AddRange(&arglists[i], ranges[i].first, ranges[i].second,
range_multiplier_);
total *= arglists[i].size();
}
std::vector<std::size_t> ctr(arglists.size(), 0);
for (std::size_t i = 0; i < total; i++) {
std::vector<int> tmp;
tmp.reserve(arglists.size());
for (std::size_t j = 0; j < arglists.size(); j++) {
tmp.push_back(arglists[j].at(ctr[j]));
}
args_.push_back(std::move(tmp));
for (std::size_t j = 0; j < arglists.size(); j++) {
if (ctr[j] + 1 < arglists[j].size()) {
++ctr[j];
break;
}
ctr[j] = 0;
}
}
return this;
}
Benchmark* Benchmark::ArgName(const std::string& name) {
CHECK(ArgsCnt() == -1 || ArgsCnt() == 1);
arg_names_ = {name};
return this;
}
Benchmark* Benchmark::ArgNames(const std::vector<std::string>& names) {
CHECK(ArgsCnt() == -1 || ArgsCnt() == static_cast<int>(names.size()));
arg_names_ = names;
return this;
}
Benchmark* Benchmark::DenseRange(int start, int limit, int step) {
CHECK(ArgsCnt() == -1 || ArgsCnt() == 1);
CHECK_GE(start, 0);
CHECK_LE(start, limit);
for (int arg = start; arg <= limit; arg += step) {
args_.push_back({arg});
}
return this;
}
Benchmark* Benchmark::Args(const std::vector<int>& args) {
CHECK(ArgsCnt() == -1 || ArgsCnt() == static_cast<int>(args.size()));
args_.push_back(args);
return this;
}
Benchmark* Benchmark::Apply(void (*custom_arguments)(Benchmark* benchmark)) {
custom_arguments(this);
return this;
}
Benchmark* Benchmark::RangeMultiplier(int multiplier) {
CHECK(multiplier > 1);
range_multiplier_ = multiplier;
return this;
}
Benchmark* Benchmark::Repetitions(int n) {
CHECK(n > 0);
repetitions_ = n;
return this;
}
Benchmark* Benchmark::ReportAggregatesOnly(bool value) {
report_mode_ = value ? RM_ReportAggregatesOnly : RM_Default;
return this;
}
Benchmark* Benchmark::MinTime(double t) {
CHECK(t > 0.0);
min_time_ = t;
return this;
}
Benchmark* Benchmark::UseRealTime() {
CHECK(!use_manual_time_)
<< "Cannot set UseRealTime and UseManualTime simultaneously.";
use_real_time_ = true;
return this;
}
Benchmark* Benchmark::UseManualTime() {
CHECK(!use_real_time_)
<< "Cannot set UseRealTime and UseManualTime simultaneously.";
use_manual_time_ = true;
return this;
}
Benchmark* Benchmark::Complexity(BigO complexity) {
complexity_ = complexity;
return this;
}
Benchmark* Benchmark::Complexity(BigOFunc* complexity) {
complexity_lambda_ = complexity;
complexity_ = oLambda;
return this;
}
Benchmark* Benchmark::Threads(int t) {
CHECK_GT(t, 0);
thread_counts_.push_back(t);
return this;
}
Benchmark* Benchmark::ThreadRange(int min_threads, int max_threads) {
CHECK_GT(min_threads, 0);
CHECK_GE(max_threads, min_threads);
AddRange(&thread_counts_, min_threads, max_threads, 2);
return this;
}
Benchmark* Benchmark::DenseThreadRange(int min_threads, int max_threads,
int stride) {
CHECK_GT(min_threads, 0);
CHECK_GE(max_threads, min_threads);
CHECK_GE(stride, 1);
for (auto i = min_threads; i < max_threads; i += stride) {
thread_counts_.push_back(i);
}
thread_counts_.push_back(max_threads);
return this;
}
Benchmark* Benchmark::ThreadPerCpu() {
static int num_cpus = NumCPUs();
thread_counts_.push_back(num_cpus);
return this;
}
void Benchmark::SetName(const char* name) { name_ = name; }
int Benchmark::ArgsCnt() const {
if (args_.empty()) {
if (arg_names_.empty()) return -1;
return static_cast<int>(arg_names_.size());
}
return static_cast<int>(args_.front().size());
}
//=============================================================================//
// FunctionBenchmark
//=============================================================================//
void FunctionBenchmark::Run(State& st) { func_(st); }
} // end namespace internal
} // end namespace benchmark

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#ifndef CHECK_H_
#define CHECK_H_
#include <cstdlib>
#include <ostream>
#include "internal_macros.h"
#include "log.h"
namespace benchmark {
namespace internal {
typedef void(AbortHandlerT)();
inline AbortHandlerT*& GetAbortHandler() {
static AbortHandlerT* handler = &std::abort;
return handler;
}
BENCHMARK_NORETURN inline void CallAbortHandler() {
GetAbortHandler()();
std::abort(); // fallback to enforce noreturn
}
// CheckHandler is the class constructed by failing CHECK macros. CheckHandler
// will log information about the failures and abort when it is destructed.
class CheckHandler {
public:
CheckHandler(const char* check, const char* file, const char* func, int line)
: log_(GetErrorLogInstance()) {
log_ << file << ":" << line << ": " << func << ": Check `" << check
<< "' failed. ";
}
LogType& GetLog() { return log_; }
BENCHMARK_NORETURN ~CheckHandler() BENCHMARK_NOEXCEPT_OP(false) {
log_ << std::endl;
CallAbortHandler();
}
CheckHandler& operator=(const CheckHandler&) = delete;
CheckHandler(const CheckHandler&) = delete;
CheckHandler() = delete;
private:
LogType& log_;
};
} // end namespace internal
} // end namespace benchmark
// The CHECK macro returns a std::ostream object that can have extra information
// written to it.
#ifndef NDEBUG
#define CHECK(b) \
(b ? ::benchmark::internal::GetNullLogInstance() \
: ::benchmark::internal::CheckHandler(#b, __FILE__, __func__, __LINE__) \
.GetLog())
#else
#define CHECK(b) ::benchmark::internal::GetNullLogInstance()
#endif
#define CHECK_EQ(a, b) CHECK((a) == (b))
#define CHECK_NE(a, b) CHECK((a) != (b))
#define CHECK_GE(a, b) CHECK((a) >= (b))
#define CHECK_LE(a, b) CHECK((a) <= (b))
#define CHECK_GT(a, b) CHECK((a) > (b))
#define CHECK_LT(a, b) CHECK((a) < (b))
#endif // CHECK_H_

188
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// Copyright 2015 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "colorprint.h"
#include <cstdarg>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <memory>
#include <string>
#include "check.h"
#include "internal_macros.h"
#ifdef BENCHMARK_OS_WINDOWS
#include <Windows.h>
#include <io.h>
#else
#include <unistd.h>
#endif // BENCHMARK_OS_WINDOWS
namespace benchmark {
namespace {
#ifdef BENCHMARK_OS_WINDOWS
typedef WORD PlatformColorCode;
#else
typedef const char* PlatformColorCode;
#endif
PlatformColorCode GetPlatformColorCode(LogColor color) {
#ifdef BENCHMARK_OS_WINDOWS
switch (color) {
case COLOR_RED:
return FOREGROUND_RED;
case COLOR_GREEN:
return FOREGROUND_GREEN;
case COLOR_YELLOW:
return FOREGROUND_RED | FOREGROUND_GREEN;
case COLOR_BLUE:
return FOREGROUND_BLUE;
case COLOR_MAGENTA:
return FOREGROUND_BLUE | FOREGROUND_RED;
case COLOR_CYAN:
return FOREGROUND_BLUE | FOREGROUND_GREEN;
case COLOR_WHITE: // fall through to default
default:
return 0;
}
#else
switch (color) {
case COLOR_RED:
return "1";
case COLOR_GREEN:
return "2";
case COLOR_YELLOW:
return "3";
case COLOR_BLUE:
return "4";
case COLOR_MAGENTA:
return "5";
case COLOR_CYAN:
return "6";
case COLOR_WHITE:
return "7";
default:
return nullptr;
};
#endif
}
} // end namespace
std::string FormatString(const char* msg, va_list args) {
// we might need a second shot at this, so pre-emptivly make a copy
va_list args_cp;
va_copy(args_cp, args);
std::size_t size = 256;
char local_buff[256];
auto ret = std::vsnprintf(local_buff, size, msg, args_cp);
va_end(args_cp);
// currently there is no error handling for failure, so this is hack.
CHECK(ret >= 0);
if (ret == 0) // handle empty expansion
return {};
else if (static_cast<size_t>(ret) < size)
return local_buff;
else {
// we did not provide a long enough buffer on our first attempt.
size = (size_t)ret + 1; // + 1 for the null byte
std::unique_ptr<char[]> buff(new char[size]);
ret = std::vsnprintf(buff.get(), size, msg, args);
CHECK(ret > 0 && ((size_t)ret) < size);
return buff.get();
}
}
std::string FormatString(const char* msg, ...) {
va_list args;
va_start(args, msg);
auto tmp = FormatString(msg, args);
va_end(args);
return tmp;
}
void ColorPrintf(std::ostream& out, LogColor color, const char* fmt, ...) {
va_list args;
va_start(args, fmt);
ColorPrintf(out, color, fmt, args);
va_end(args);
}
void ColorPrintf(std::ostream& out, LogColor color, const char* fmt,
va_list args) {
#ifdef BENCHMARK_OS_WINDOWS
((void)out); // suppress unused warning
const HANDLE stdout_handle = GetStdHandle(STD_OUTPUT_HANDLE);
// Gets the current text color.
CONSOLE_SCREEN_BUFFER_INFO buffer_info;
GetConsoleScreenBufferInfo(stdout_handle, &buffer_info);
const WORD old_color_attrs = buffer_info.wAttributes;
// We need to flush the stream buffers into the console before each
// SetConsoleTextAttribute call lest it affect the text that is already
// printed but has not yet reached the console.
fflush(stdout);
SetConsoleTextAttribute(stdout_handle,
GetPlatformColorCode(color) | FOREGROUND_INTENSITY);
vprintf(fmt, args);
fflush(stdout);
// Restores the text color.
SetConsoleTextAttribute(stdout_handle, old_color_attrs);
#else
const char* color_code = GetPlatformColorCode(color);
if (color_code) out << FormatString("\033[0;3%sm", color_code);
out << FormatString(fmt, args) << "\033[m";
#endif
}
bool IsColorTerminal() {
#if BENCHMARK_OS_WINDOWS
// On Windows the TERM variable is usually not set, but the
// console there does support colors.
return 0 != _isatty(_fileno(stdout));
#else
// On non-Windows platforms, we rely on the TERM variable. This list of
// supported TERM values is copied from Google Test:
// <https://github.com/google/googletest/blob/master/googletest/src/gtest.cc#L2925>.
const char* const SUPPORTED_TERM_VALUES[] = {
"xterm", "xterm-color", "xterm-256color",
"screen", "screen-256color", "tmux",
"tmux-256color", "rxvt-unicode", "rxvt-unicode-256color",
"linux", "cygwin",
};
const char* const term = getenv("TERM");
bool term_supports_color = false;
for (const char* candidate : SUPPORTED_TERM_VALUES) {
if (term && 0 == strcmp(term, candidate)) {
term_supports_color = true;
break;
}
}
return 0 != isatty(fileno(stdout)) && term_supports_color;
#endif // BENCHMARK_OS_WINDOWS
}
} // end namespace benchmark

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benchmark-v1.1.0/src/colorprint.h
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#ifndef BENCHMARK_COLORPRINT_H_
#define BENCHMARK_COLORPRINT_H_
#include <cstdarg>
#include <iostream>
#include <string>
namespace benchmark {
enum LogColor {
COLOR_DEFAULT,
COLOR_RED,
COLOR_GREEN,
COLOR_YELLOW,
COLOR_BLUE,
COLOR_MAGENTA,
COLOR_CYAN,
COLOR_WHITE
};
std::string FormatString(const char* msg, va_list args);
std::string FormatString(const char* msg, ...);
void ColorPrintf(std::ostream& out, LogColor color, const char* fmt,
va_list args);
void ColorPrintf(std::ostream& out, LogColor color, const char* fmt, ...);
// Returns true if stdout appears to be a terminal that supports colored
// output, false otherwise.
bool IsColorTerminal();
} // end namespace benchmark
#endif // BENCHMARK_COLORPRINT_H_

218
benchmark-v1.1.0/src/commandlineflags.cc
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// Copyright 2015 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "commandlineflags.h"
#include <cctype>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <limits>
namespace benchmark {
// Parses 'str' for a 32-bit signed integer. If successful, writes
// the result to *value and returns true; otherwise leaves *value
// unchanged and returns false.
bool ParseInt32(const std::string& src_text, const char* str, int32_t* value) {
// Parses the environment variable as a decimal integer.
char* end = nullptr;
const long long_value = strtol(str, &end, 10); // NOLINT
// Has strtol() consumed all characters in the string?
if (*end != '\0') {
// No - an invalid character was encountered.
std::cerr << src_text << " is expected to be a 32-bit integer, "
<< "but actually has value \"" << str << "\".\n";
return false;
}
// Is the parsed value in the range of an Int32?
const int32_t result = static_cast<int32_t>(long_value);
if (long_value == std::numeric_limits<long>::max() ||
long_value == std::numeric_limits<long>::min() ||
// The parsed value overflows as a long. (strtol() returns
// LONG_MAX or LONG_MIN when the input overflows.)
result != long_value
// The parsed value overflows as an Int32.
) {
std::cerr << src_text << " is expected to be a 32-bit integer, "
<< "but actually has value \"" << str << "\", "
<< "which overflows.\n";
return false;
}
*value = result;
return true;
}
// Parses 'str' for a double. If successful, writes the result to *value and
// returns true; otherwise leaves *value unchanged and returns false.
bool ParseDouble(const std::string& src_text, const char* str, double* value) {
// Parses the environment variable as a decimal integer.
char* end = nullptr;
const double double_value = strtod(str, &end); // NOLINT
// Has strtol() consumed all characters in the string?
if (*end != '\0') {
// No - an invalid character was encountered.
std::cerr << src_text << " is expected to be a double, "
<< "but actually has value \"" << str << "\".\n";
return false;
}
*value = double_value;
return true;
}
// Returns the name of the environment variable corresponding to the
// given flag. For example, FlagToEnvVar("foo") will return
// "BENCHMARK_FOO" in the open-source version.
static std::string FlagToEnvVar(const char* flag) {
const std::string flag_str(flag);
std::string env_var;
for (size_t i = 0; i != flag_str.length(); ++i)
env_var += static_cast<char>(::toupper(flag_str.c_str()[i]));
return "BENCHMARK_" + env_var;
}
// Reads and returns the Boolean environment variable corresponding to
// the given flag; if it's not set, returns default_value.
//
// The value is considered true iff it's not "0".
bool BoolFromEnv(const char* flag, bool default_value) {
const std::string env_var = FlagToEnvVar(flag);
const char* const string_value = getenv(env_var.c_str());
return string_value == nullptr ? default_value
: strcmp(string_value, "0") != 0;
}
// Reads and returns a 32-bit integer stored in the environment
// variable corresponding to the given flag; if it isn't set or
// doesn't represent a valid 32-bit integer, returns default_value.
int32_t Int32FromEnv(const char* flag, int32_t default_value) {
const std::string env_var = FlagToEnvVar(flag);
const char* const string_value = getenv(env_var.c_str());
if (string_value == nullptr) {
// The environment variable is not set.
return default_value;
}
int32_t result = default_value;
if (!ParseInt32(std::string("Environment variable ") + env_var, string_value,
&result)) {
std::cout << "The default value " << default_value << " is used.\n";
return default_value;
}
return result;
}
// Reads and returns the string environment variable corresponding to
// the given flag; if it's not set, returns default_value.
const char* StringFromEnv(const char* flag, const char* default_value) {
const std::string env_var = FlagToEnvVar(flag);
const char* const value = getenv(env_var.c_str());
return value == nullptr ? default_value : value;
}
// Parses a string as a command line flag. The string should have
// the format "--flag=value". When def_optional is true, the "=value"
// part can be omitted.
//
// Returns the value of the flag, or nullptr if the parsing failed.
const char* ParseFlagValue(const char* str, const char* flag,
bool def_optional) {
// str and flag must not be nullptr.
if (str == nullptr || flag == nullptr) return nullptr;
// The flag must start with "--".
const std::string flag_str = std::string("--") + std::string(flag);
const size_t flag_len = flag_str.length();
if (strncmp(str, flag_str.c_str(), flag_len) != 0) return nullptr;
// Skips the flag name.
const char* flag_end = str + flag_len;
// When def_optional is true, it's OK to not have a "=value" part.
if (def_optional && (flag_end[0] == '\0')) return flag_end;
// If def_optional is true and there are more characters after the
// flag name, or if def_optional is false, there must be a '=' after
// the flag name.
if (flag_end[0] != '=') return nullptr;
// Returns the string after "=".
return flag_end + 1;
}
bool ParseBoolFlag(const char* str, const char* flag, bool* value) {
// Gets the value of the flag as a string.
const char* const value_str = ParseFlagValue(str, flag, true);
// Aborts if the parsing failed.
if (value_str == nullptr) return false;
// Converts the string value to a bool.
*value = IsTruthyFlagValue(value_str);
return true;
}
bool ParseInt32Flag(const char* str, const char* flag, int32_t* value) {
// Gets the value of the flag as a string.
const char* const value_str = ParseFlagValue(str, flag, false);
// Aborts if the parsing failed.
if (value_str == nullptr) return false;
// Sets *value to the value of the flag.
return ParseInt32(std::string("The value of flag --") + flag, value_str,
value);
}
bool ParseDoubleFlag(const char* str, const char* flag, double* value) {
// Gets the value of the flag as a string.
const char* const value_str = ParseFlagValue(str, flag, false);
// Aborts if the parsing failed.
if (value_str == nullptr) return false;
// Sets *value to the value of the flag.
return ParseDouble(std::string("The value of flag --") + flag, value_str,
value);
}
bool ParseStringFlag(const char* str, const char* flag, std::string* value) {
// Gets the value of the flag as a string.
const char* const value_str = ParseFlagValue(str, flag, false);
// Aborts if the parsing failed.
if (value_str == nullptr) return false;
*value = value_str;
return true;
}
bool IsFlag(const char* str, const char* flag) {
return (ParseFlagValue(str, flag, true) != nullptr);
}
bool IsTruthyFlagValue(const std::string& str) {
if (str.empty()) return true;
char ch = str[0];
return isalnum(ch) &&
!(ch == '0' || ch == 'f' || ch == 'F' || ch == 'n' || ch == 'N');
}
} // end namespace benchmark

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#ifndef BENCHMARK_COMMANDLINEFLAGS_H_
#define BENCHMARK_COMMANDLINEFLAGS_H_
#include <cstdint>
#include <string>
// Macro for referencing flags.
#define FLAG(name) FLAGS_##name
// Macros for declaring flags.
#define DECLARE_bool(name) extern bool FLAG(name)
#define DECLARE_int32(name) extern int32_t FLAG(name)
#define DECLARE_int64(name) extern int64_t FLAG(name)
#define DECLARE_double(name) extern double FLAG(name)
#define DECLARE_string(name) extern std::string FLAG(name)
// Macros for defining flags.
#define DEFINE_bool(name, default_val, doc) bool FLAG(name) = (default_val)
#define DEFINE_int32(name, default_val, doc) int32_t FLAG(name) = (default_val)
#define DEFINE_int64(name, default_val, doc) int64_t FLAG(name) = (default_val)
#define DEFINE_double(name, default_val, doc) double FLAG(name) = (default_val)
#define DEFINE_string(name, default_val, doc) \
std::string FLAG(name) = (default_val)
namespace benchmark {
// Parses 'str' for a 32-bit signed integer. If successful, writes the result
// to *value and returns true; otherwise leaves *value unchanged and returns
// false.
bool ParseInt32(const std::string& src_text, const char* str, int32_t* value);
// Parses a bool/Int32/string from the environment variable
// corresponding to the given Google Test flag.
bool BoolFromEnv(const char* flag, bool default_val);
int32_t Int32FromEnv(const char* flag, int32_t default_val);
double DoubleFromEnv(const char* flag, double default_val);
const char* StringFromEnv(const char* flag, const char* default_val);
// Parses a string for a bool flag, in the form of either
// "--flag=value" or "--flag".
//
// In the former case, the value is taken as true if it passes IsTruthyValue().
//
// In the latter case, the value is taken as true.
//
// On success, stores the value of the flag in *value, and returns
// true. On failure, returns false without changing *value.
bool ParseBoolFlag(const char* str, const char* flag, bool* value);
// Parses a string for an Int32 flag, in the form of
// "--flag=value".
//
// On success, stores the value of the flag in *value, and returns
// true. On failure, returns false without changing *value.
bool ParseInt32Flag(const char* str, const char* flag, int32_t* value);
// Parses a string for a Double flag, in the form of
// "--flag=value".
//
// On success, stores the value of the flag in *value, and returns
// true. On failure, returns false without changing *value.
bool ParseDoubleFlag(const char* str, const char* flag, double* value);
// Parses a string for a string flag, in the form of
// "--flag=value".
//
// On success, stores the value of the flag in *value, and returns
// true. On failure, returns false without changing *value.
bool ParseStringFlag(const char* str, const char* flag, std::string* value);
// Returns true if the string matches the flag.
bool IsFlag(const char* str, const char* flag);
// Returns true unless value starts with one of: '0', 'f', 'F', 'n' or 'N', or
// some non-alphanumeric character. As a special case, also returns true if
// value is the empty string.
bool IsTruthyFlagValue(const std::string& value);
} // end namespace benchmark
#endif // BENCHMARK_COMMANDLINEFLAGS_H_

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// Copyright 2016 Ismael Jimenez Martinez. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Source project : https://github.com/ismaelJimenez/cpp.leastsq
// Adapted to be used with google benchmark
#include "benchmark/benchmark_api.h"
#include <algorithm>
#include <cmath>
#include "check.h"
#include "complexity.h"
#include "stat.h"
namespace benchmark {
// Internal function to calculate the different scalability forms
BigOFunc* FittingCurve(BigO complexity) {
switch (complexity) {
case oN:
return [](int n) -> double { return n; };
case oNSquared:
return [](int n) -> double { return std::pow(n, 2); };
case oNCubed:
return [](int n) -> double { return std::pow(n, 3); };
case oLogN:
return [](int n) { return std::log2(n); };
case oNLogN:
return [](int n) { return n * std::log2(n); };
case o1:
default:
return [](int) { return 1.0; };
}
}
// Function to return an string for the calculated complexity
std::string GetBigOString(BigO complexity) {
switch (complexity) {
case oN:
return "N";
case oNSquared:
return "N^2";
case oNCubed:
return "N^3";
case oLogN:
return "lgN";
case oNLogN:
return "NlgN";
case o1:
return "(1)";
default:
return "f(N)";
}
}
// Find the coefficient for the high-order term in the running time, by
// minimizing the sum of squares of relative error, for the fitting curve
// given by the lambda expresion.
// - n : Vector containing the size of the benchmark tests.
// - time : Vector containing the times for the benchmark tests.
// - fitting_curve : lambda expresion (e.g. [](int n) {return n; };).
// For a deeper explanation on the algorithm logic, look the README file at
// http://github.com/ismaelJimenez/Minimal-Cpp-Least-Squared-Fit
LeastSq MinimalLeastSq(const std::vector<int>& n,
const std::vector<double>& time,
BigOFunc* fitting_curve) {
double sigma_gn = 0.0;
double sigma_gn_squared = 0.0;
double sigma_time = 0.0;
double sigma_time_gn = 0.0;
// Calculate least square fitting parameter
for (size_t i = 0; i < n.size(); ++i) {
double gn_i = fitting_curve(n[i]);
sigma_gn += gn_i;
sigma_gn_squared += gn_i * gn_i;
sigma_time += time[i];
sigma_time_gn += time[i] * gn_i;
}
LeastSq result;
result.complexity = oLambda;
// Calculate complexity.
result.coef = sigma_time_gn / sigma_gn_squared;
// Calculate RMS
double rms = 0.0;
for (size_t i = 0; i < n.size(); ++i) {
double fit = result.coef * fitting_curve(n[i]);
rms += pow((time[i] - fit), 2);
}
// Normalized RMS by the mean of the observed values
double mean = sigma_time / n.size();
result.rms = sqrt(rms / n.size()) / mean;
return result;
}
// Find the coefficient for the high-order term in the running time, by
// minimizing the sum of squares of relative error.
// - n : Vector containing the size of the benchmark tests.
// - time : Vector containing the times for the benchmark tests.
// - complexity : If different than oAuto, the fitting curve will stick to
// this one. If it is oAuto, it will be calculated the best
// fitting curve.
LeastSq MinimalLeastSq(const std::vector<int>& n,
const std::vector<double>& time, const BigO complexity) {
CHECK_EQ(n.size(), time.size());
CHECK_GE(n.size(), 2); // Do not compute fitting curve is less than two
// benchmark runs are given
CHECK_NE(complexity, oNone);
LeastSq best_fit;
if (complexity == oAuto) {
std::vector<BigO> fit_curves = {oLogN, oN, oNLogN, oNSquared, oNCubed};
// Take o1 as default best fitting curve
best_fit = MinimalLeastSq(n, time, FittingCurve(o1));
best_fit.complexity = o1;
// Compute all possible fitting curves and stick to the best one
for (const auto& fit : fit_curves) {
LeastSq current_fit = MinimalLeastSq(n, time, FittingCurve(fit));
if (current_fit.rms < best_fit.rms) {
best_fit = current_fit;
best_fit.complexity = fit;
}
}
} else {
best_fit = MinimalLeastSq(n, time, FittingCurve(complexity));
best_fit.complexity = complexity;
}
return best_fit;
}
std::vector<BenchmarkReporter::Run> ComputeStats(
const std::vector<BenchmarkReporter::Run>& reports) {
typedef BenchmarkReporter::Run Run;
std::vector<Run> results;
auto error_count =
std::count_if(reports.begin(), reports.end(),
[](Run const& run) { return run.error_occurred; });
if (reports.size() - error_count < 2) {
// We don't report aggregated data if there was a single run.
return results;
}
// Accumulators.
Stat1_d real_accumulated_time_stat;
Stat1_d cpu_accumulated_time_stat;
Stat1_d bytes_per_second_stat;
Stat1_d items_per_second_stat;
// All repetitions should be run with the same number of iterations so we
// can take this information from the first benchmark.
int64_t const run_iterations = reports.front().iterations;
// Populate the accumulators.
for (Run const& run : reports) {
CHECK_EQ(reports[0].benchmark_name, run.benchmark_name);
CHECK_EQ(run_iterations, run.iterations);
if (run.error_occurred) continue;
real_accumulated_time_stat +=
Stat1_d(run.real_accumulated_time / run.iterations, run.iterations);
cpu_accumulated_time_stat +=
Stat1_d(run.cpu_accumulated_time / run.iterations, run.iterations);
items_per_second_stat += Stat1_d(run.items_per_second, run.iterations);
bytes_per_second_stat += Stat1_d(run.bytes_per_second, run.iterations);
}
// Get the data from the accumulator to BenchmarkReporter::Run's.
Run mean_data;
mean_data.benchmark_name = reports[0].benchmark_name + "_mean";
mean_data.iterations = run_iterations;
mean_data.real_accumulated_time =
real_accumulated_time_stat.Mean() * run_iterations;
mean_data.cpu_accumulated_time =
cpu_accumulated_time_stat.Mean() * run_iterations;
mean_data.bytes_per_second = bytes_per_second_stat.Mean();
mean_data.items_per_second = items_per_second_stat.Mean();
mean_data.time_unit = reports[0].time_unit;
// Only add label to mean/stddev if it is same for all runs
mean_data.report_label = reports[0].report_label;
for (std::size_t i = 1; i < reports.size(); i++) {
if (reports[i].report_label != reports[0].report_label) {
mean_data.report_label = "";
break;
}
}
Run stddev_data;
stddev_data.benchmark_name = reports[0].benchmark_name + "_stddev";
stddev_data.report_label = mean_data.report_label;
stddev_data.iterations = 0;
stddev_data.real_accumulated_time = real_accumulated_time_stat.StdDev();
stddev_data.cpu_accumulated_time = cpu_accumulated_time_stat.StdDev();
stddev_data.bytes_per_second = bytes_per_second_stat.StdDev();
stddev_data.items_per_second = items_per_second_stat.StdDev();
stddev_data.time_unit = reports[0].time_unit;
results.push_back(mean_data);
results.push_back(stddev_data);
return results;
}
std::vector<BenchmarkReporter::Run> ComputeBigO(
const std::vector<BenchmarkReporter::Run>& reports) {
typedef BenchmarkReporter::Run Run;
std::vector<Run> results;
if (reports.size() < 2) return results;
// Accumulators.
std::vector<int> n;
std::vector<double> real_time;
std::vector<double> cpu_time;
// Populate the accumulators.
for (const Run& run : reports) {
CHECK_GT(run.complexity_n, 0) << "Did you forget to call SetComplexityN?";
n.push_back(run.complexity_n);
real_time.push_back(run.real_accumulated_time / run.iterations);
cpu_time.push_back(run.cpu_accumulated_time / run.iterations);
}
LeastSq result_cpu;
LeastSq result_real;
if (reports[0].complexity == oLambda) {
result_cpu = MinimalLeastSq(n, cpu_time, reports[0].complexity_lambda);
result_real = MinimalLeastSq(n, real_time, reports[0].complexity_lambda);
} else {
result_cpu = MinimalLeastSq(n, cpu_time, reports[0].complexity);
result_real = MinimalLeastSq(n, real_time, result_cpu.complexity);
}
std::string benchmark_name =
reports[0].benchmark_name.substr(0, reports[0].benchmark_name.find('/'));
// Get the data from the accumulator to BenchmarkReporter::Run's.
Run big_o;
big_o.benchmark_name = benchmark_name + "_BigO";
big_o.iterations = 0;
big_o.real_accumulated_time = result_real.coef;
big_o.cpu_accumulated_time = result_cpu.coef;
big_o.report_big_o = true;
big_o.complexity = result_cpu.complexity;
double multiplier = GetTimeUnitMultiplier(reports[0].time_unit);
// Only add label to mean/stddev if it is same for all runs
Run rms;
big_o.report_label = reports[0].report_label;
rms.benchmark_name = benchmark_name + "_RMS";
rms.report_label = big_o.report_label;
rms.iterations = 0;
rms.real_accumulated_time = result_real.rms / multiplier;
rms.cpu_accumulated_time = result_cpu.rms / multiplier;
rms.report_rms = true;
rms.complexity = result_cpu.complexity;
results.push_back(big_o);
results.push_back(rms);
return results;
}
} // end namespace benchmark

61
benchmark-v1.1.0/src/complexity.h
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// Copyright 2016 Ismael Jimenez Martinez. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Source project : https://github.com/ismaelJimenez/cpp.leastsq
// Adapted to be used with google benchmark
#ifndef COMPLEXITY_H_
#define COMPLEXITY_H_
#include <string>
#include <vector>
#include "benchmark/benchmark_api.h"
#include "benchmark/reporter.h"
namespace benchmark {
// Return a vector containing the mean and standard devation information for
// the specified list of reports. If 'reports' contains less than two
// non-errored runs an empty vector is returned
std::vector<BenchmarkReporter::Run> ComputeStats(
const std::vector<BenchmarkReporter::Run>& reports);
// Return a vector containing the bigO and RMS information for the specified
// list of reports. If 'reports.size() < 2' an empty vector is returned.
std::vector<BenchmarkReporter::Run> ComputeBigO(
const std::vector<BenchmarkReporter::Run>& reports);
// This data structure will contain the result returned by MinimalLeastSq
// - coef : Estimated coeficient for the high-order term as
// interpolated from data.
// - rms : Normalized Root Mean Squared Error.
// - complexity : Scalability form (e.g. oN, oNLogN). In case a scalability
// form has been provided to MinimalLeastSq this will return
// the same value. In case BigO::oAuto has been selected, this
// parameter will return the best fitting curve detected.
struct LeastSq {
LeastSq() : coef(0.0), rms(0.0), complexity(oNone) {}
double coef;
double rms;
BigO complexity;
};
// Function to return an string for the calculated complexity
std::string GetBigOString(BigO complexity);
} // end namespace benchmark
#endif // COMPLEXITY_H_

132
benchmark-v1.1.0/src/console_reporter.cc
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// Copyright 2015 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "benchmark/reporter.h"
#include "complexity.h"
#include <algorithm>
#include <cstdint>
#include <cstdio>
#include <iostream>
#include <string>
#include <tuple>
#include <vector>
#include "check.h"
#include "colorprint.h"
#include "commandlineflags.h"
#include "internal_macros.h"
#include "string_util.h"
#include "timers.h"
namespace benchmark {
bool ConsoleReporter::ReportContext(const Context& context) {
name_field_width_ = context.name_field_width;
PrintBasicContext(&GetErrorStream(), context);
#ifdef BENCHMARK_OS_WINDOWS
if (color_output_ && &std::cout != &GetOutputStream()) {
GetErrorStream()
<< "Color printing is only supported for stdout on windows."
" Disabling color printing\n";
color_output_ = false;
}
#endif
std::string str =
FormatString("%-*s %13s %13s %10s\n", static_cast<int>(name_field_width_),
"Benchmark", "Time", "CPU", "Iterations");
GetOutputStream() << str << std::string(str.length() - 1, '-') << "\n";
return true;
}
void ConsoleReporter::ReportRuns(const std::vector<Run>& reports) {
for (const auto& run : reports) PrintRunData(run);
}
static void IgnoreColorPrint(std::ostream& out, LogColor, const char* fmt,
...) {
va_list args;
va_start(args, fmt);
out << FormatString(fmt, args);
va_end(args);
}
void ConsoleReporter::PrintRunData(const Run& result) {
typedef void(PrinterFn)(std::ostream&, LogColor, const char*, ...);
auto& Out = GetOutputStream();
PrinterFn* printer =
color_output_ ? (PrinterFn*)ColorPrintf : IgnoreColorPrint;
auto name_color =
(result.report_big_o || result.report_rms) ? COLOR_BLUE : COLOR_GREEN;
printer(Out, name_color, "%-*s ", name_field_width_,
result.benchmark_name.c_str());
if (result.error_occurred) {
printer(Out, COLOR_RED, "ERROR OCCURRED: \'%s\'",
result.error_message.c_str());
printer(Out, COLOR_DEFAULT, "\n");
return;
}
// Format bytes per second
std::string rate;
if (result.bytes_per_second > 0) {
rate = StrCat(" ", HumanReadableNumber(result.bytes_per_second), "B/s");
}
// Format items per second
std::string items;
if (result.items_per_second > 0) {
items =
StrCat(" ", HumanReadableNumber(result.items_per_second), " items/s");
}
const double real_time = result.GetAdjustedRealTime();
const double cpu_time = result.GetAdjustedCPUTime();
if (result.report_big_o) {
std::string big_o = GetBigOString(result.complexity);
printer(Out, COLOR_YELLOW, "%10.2f %s %10.2f %s ", real_time, big_o.c_str(),
cpu_time, big_o.c_str());
} else if (result.report_rms) {
printer(Out, COLOR_YELLOW, "%10.0f %% %10.0f %% ", real_time * 100,
cpu_time * 100);
} else {
const char* timeLabel = GetTimeUnitString(result.time_unit);
printer(Out, COLOR_YELLOW, "%10.0f %s %10.0f %s ", real_time, timeLabel,
cpu_time, timeLabel);
}
if (!result.report_big_o && !result.report_rms) {
printer(Out, COLOR_CYAN, "%10lld", result.iterations);
}
if (!rate.empty()) {
printer(Out, COLOR_DEFAULT, " %*s", 13, rate.c_str());
}
if (!items.empty()) {
printer(Out, COLOR_DEFAULT, " %*s", 18, items.c_str());
}
if (!result.report_label.empty()) {
printer(Out, COLOR_DEFAULT, " %s", result.report_label.c_str());
}
printer(Out, COLOR_DEFAULT, "\n");
}
} // end namespace benchmark

108
benchmark-v1.1.0/src/csv_reporter.cc
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// Copyright 2015 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "benchmark/reporter.h"
#include "complexity.h"
#include <algorithm>
#include <cstdint>
#include <iostream>
#include <string>
#include <tuple>
#include <vector>
#include "string_util.h"
#include "timers.h"
// File format reference: http://edoceo.com/utilitas/csv-file-format.
namespace benchmark {
namespace {
std::vector<std::string> elements = {
"name", "iterations", "real_time", "cpu_time",
"time_unit", "bytes_per_second", "items_per_second", "label",
"error_occurred", "error_message"};
}
bool CSVReporter::ReportContext(const Context& context) {
PrintBasicContext(&GetErrorStream(), context);
std::ostream& Out = GetOutputStream();
for (auto B = elements.begin(); B != elements.end();) {
Out << *B++;
if (B != elements.end()) Out << ",";
}
Out << "\n";
return true;
}
void CSVReporter::ReportRuns(const std::vector<Run>& reports) {
for (const auto& run : reports) PrintRunData(run);
}
void CSVReporter::PrintRunData(const Run& run) {
std::ostream& Out = GetOutputStream();
// Field with embedded double-quote characters must be doubled and the field
// delimited with double-quotes.
std::string name = run.benchmark_name;
ReplaceAll(&name, "\"", "\"\"");
Out << '"' << name << "\",";
if (run.error_occurred) {
Out << std::string(elements.size() - 3, ',');
Out << "true,";
std::string msg = run.error_message;
ReplaceAll(&msg, "\"", "\"\"");
Out << '"' << msg << "\"\n";
return;
}
// Do not print iteration on bigO and RMS report
if (!run.report_big_o && !run.report_rms) {
Out << run.iterations;
}
Out << ",";
Out << run.GetAdjustedRealTime() << ",";
Out << run.GetAdjustedCPUTime() << ",";
// Do not print timeLabel on bigO and RMS report
if (run.report_big_o) {
Out << GetBigOString(run.complexity);
} else if (!run.report_rms) {
Out << GetTimeUnitString(run.time_unit);
}
Out << ",";
if (run.bytes_per_second > 0.0) {
Out << run.bytes_per_second;
}
Out << ",";
if (run.items_per_second > 0.0) {
Out << run.items_per_second;
}
Out << ",";
if (!run.report_label.empty()) {
// Field with embedded double-quote characters must be doubled and the field
// delimited with double-quotes.
std::string label = run.report_label;
ReplaceAll(&label, "\"", "\"\"");
Out << "\"" << label << "\"";
}
Out << ",,"; // for error_occurred and error_message
Out << '\n';
}
} // end namespace benchmark

145
benchmark-v1.1.0/src/cycleclock.h
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@@ -1,145 +0,0 @@
// ----------------------------------------------------------------------
// CycleClock
// A CycleClock tells you the current time in Cycles. The "time"
// is actually time since power-on. This is like time() but doesn't
// involve a system call and is much more precise.
//
// NOTE: Not all cpu/platform/kernel combinations guarantee that this
// clock increments at a constant rate or is synchronized across all logical
// cpus in a system.
//
// If you need the above guarantees, please consider using a different
// API. There are efforts to provide an interface which provides a millisecond
// granularity and implemented as a memory read. A memory read is generally
// cheaper than the CycleClock for many architectures.
//
// Also, in some out of order CPU implementations, the CycleClock is not
// serializing. So if you're trying to count at cycles granularity, your
// data might be inaccurate due to out of order instruction execution.
// ----------------------------------------------------------------------
#ifndef BENCHMARK_CYCLECLOCK_H_
#define BENCHMARK_CYCLECLOCK_H_
#include <cstdint>
#include "benchmark/macros.h"
#include "internal_macros.h"
#if defined(BENCHMARK_OS_MACOSX)
#include <mach/mach_time.h>
#endif
// For MSVC, we want to use '_asm rdtsc' when possible (since it works
// with even ancient MSVC compilers), and when not possible the
// __rdtsc intrinsic, declared in <intrin.h>. Unfortunately, in some
// environments, <windows.h> and <intrin.h> have conflicting
// declarations of some other intrinsics, breaking compilation.
// Therefore, we simply declare __rdtsc ourselves. See also
// http://connect.microsoft.com/VisualStudio/feedback/details/262047
#if defined(COMPILER_MSVC) && !defined(_M_IX86)
extern "C" uint64_t __rdtsc();
#pragma intrinsic(__rdtsc)
#endif
#ifndef BENCHMARK_OS_WINDOWS
#include <sys/time.h>
#endif
namespace benchmark {
// NOTE: only i386 and x86_64 have been well tested.
// PPC, sparc, alpha, and ia64 are based on
// http://peter.kuscsik.com/wordpress/?p=14
// with modifications by m3b. See also
// https://setisvn.ssl.berkeley.edu/svn/lib/fftw-3.0.1/kernel/cycle.h
namespace cycleclock {
// This should return the number of cycles since power-on. Thread-safe.
inline BENCHMARK_ALWAYS_INLINE int64_t Now() {
#if defined(BENCHMARK_OS_MACOSX)
// this goes at the top because we need ALL Macs, regardless of
// architecture, to return the number of "mach time units" that
// have passed since startup. See sysinfo.cc where
// InitializeSystemInfo() sets the supposed cpu clock frequency of
// macs to the number of mach time units per second, not actual
// CPU clock frequency (which can change in the face of CPU
// frequency scaling). Also note that when the Mac sleeps, this
// counter pauses; it does not continue counting, nor does it
// reset to zero.
return mach_absolute_time();
#elif defined(__i386__)
int64_t ret;
__asm__ volatile("rdtsc" : "=A"(ret));
return ret;
#elif defined(__x86_64__) || defined(__amd64__)
uint64_t low, high;
__asm__ volatile("rdtsc" : "=a"(low), "=d"(high));
return (high << 32) | low;
#elif defined(__powerpc__) || defined(__ppc__)
// This returns a time-base, which is not always precisely a cycle-count.
int64_t tbl, tbu0, tbu1;
asm("mftbu %0" : "=r"(tbu0));
asm("mftb %0" : "=r"(tbl));
asm("mftbu %0" : "=r"(tbu1));
tbl &= -static_cast<int64>(tbu0 == tbu1);
// high 32 bits in tbu1; low 32 bits in tbl (tbu0 is garbage)
return (tbu1 << 32) | tbl;
#elif defined(__sparc__)
int64_t tick;
asm(".byte 0x83, 0x41, 0x00, 0x00");
asm("mov %%g1, %0" : "=r"(tick));
return tick;
#elif defined(__ia64__)
int64_t itc;
asm("mov %0 = ar.itc" : "=r"(itc));
return itc;
#elif defined(COMPILER_MSVC) && defined(_M_IX86)
// Older MSVC compilers (like 7.x) don't seem to support the
// __rdtsc intrinsic properly, so I prefer to use _asm instead
// when I know it will work. Otherwise, I'll use __rdtsc and hope
// the code is being compiled with a non-ancient compiler.
_asm rdtsc
#elif defined(COMPILER_MSVC)
return __rdtsc();
#elif defined(__aarch64__)
// System timer of ARMv8 runs at a different frequency than the CPU's.
// The frequency is fixed, typically in the range 1-50MHz. It can be
// read at CNTFRQ special register. We assume the OS has set up
// the virtual timer properly.
int64_t virtual_timer_value;
asm volatile("mrs %0, cntvct_el0" : "=r"(virtual_timer_value));
return virtual_timer_value;
#elif defined(__ARM_ARCH)
#if (__ARM_ARCH >= 6) // V6 is the earliest arch that has a standard cyclecount
uint32_t pmccntr;
uint32_t pmuseren;
uint32_t pmcntenset;
// Read the user mode perf monitor counter access permissions.
asm volatile("mrc p15, 0, %0, c9, c14, 0" : "=r"(pmuseren));
if (pmuseren & 1) { // Allows reading perfmon counters for user mode code.
asm volatile("mrc p15, 0, %0, c9, c12, 1" : "=r"(pmcntenset));
if (pmcntenset & 0x80000000ul) { // Is it counting?
asm volatile("mrc p15, 0, %0, c9, c13, 0" : "=r"(pmccntr));
// The counter is set up to count every 64th cycle
return static_cast<int64_t>(pmccntr) * 64; // Should optimize to << 6
}
}
#endif
struct timeval tv;
gettimeofday(&tv, nullptr);
return static_cast<int64_t>(tv.tv_sec) * 1000000 + tv.tv_usec;
#elif defined(__mips__)
// mips apparently only allows rdtsc for superusers, so we fall
// back to gettimeofday. It's possible clock_gettime would be better.
struct timeval tv;
gettimeofday(&tv, nullptr);
return static_cast<int64_t>(tv.tv_sec) * 1000000 + tv.tv_usec;
#else
// The soft failover to a generic implementation is automatic only for ARM.
// For other platforms the developer is expected to make an attempt to create
// a fast implementation and use generic version if nothing better is available.
#error You need to define CycleTimer for your OS and CPU
#endif
}
} // end namespace cycleclock
} // end namespace benchmark
#endif // BENCHMARK_CYCLECLOCK_H_

42
benchmark-v1.1.0/src/internal_macros.h
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#ifndef BENCHMARK_INTERNAL_MACROS_H_
#define BENCHMARK_INTERNAL_MACROS_H_
#include "benchmark/macros.h"
#ifndef __has_feature
#define __has_feature(x) 0
#endif
#if defined(__clang__)
#define COMPILER_CLANG
#elif defined(_MSC_VER)
#define COMPILER_MSVC
#elif defined(__GNUC__)
#define COMPILER_GCC
#endif
#if __has_feature(cxx_attributes)
#define BENCHMARK_NORETURN [[noreturn]]
#elif defined(__GNUC__)
#define BENCHMARK_NORETURN __attribute__((noreturn))
#elif defined(COMPILER_MSVC)
#define BENCHMARK_NORETURN __declspec(noreturn)
#else
#define BENCHMARK_NORETURN
#endif
#if defined(__CYGWIN__)
#define BENCHMARK_OS_CYGWIN 1
#elif defined(_WIN32)
#define BENCHMARK_OS_WINDOWS 1
#elif defined(__APPLE__)
// TODO(ericwf) This doesn't actually check that it is a Mac OSX system. Just
// that it is an apple system.
#define BENCHMARK_OS_MACOSX 1
#elif defined(__FreeBSD__)
#define BENCHMARK_OS_FREEBSD 1
#elif defined(__linux__)
#define BENCHMARK_OS_LINUX 1
#endif
#endif // BENCHMARK_INTERNAL_MACROS_H_

163
benchmark-v1.1.0/src/json_reporter.cc
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@@ -1,163 +0,0 @@
// Copyright 2015 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "benchmark/reporter.h"
#include "complexity.h"
#include <algorithm>
#include <cstdint>
#include <iostream>
#include <string>
#include <tuple>
#include <vector>
#include "string_util.h"
#include "timers.h"
namespace benchmark {
namespace {
std::string FormatKV(std::string const& key, std::string const& value) {
return StringPrintF("\"%s\": \"%s\"", key.c_str(), value.c_str());
}
std::string FormatKV(std::string const& key, const char* value) {
return StringPrintF("\"%s\": \"%s\"", key.c_str(), value);
}
std::string FormatKV(std::string const& key, bool value) {
return StringPrintF("\"%s\": %s", key.c_str(), value ? "true" : "false");
}
std::string FormatKV(std::string const& key, int64_t value) {
std::stringstream ss;
ss << '"' << key << "\": " << value;
return ss.str();
}
std::string FormatKV(std::string const& key, double value) {
return StringPrintF("\"%s\": %.2f", key.c_str(), value);
}
int64_t RoundDouble(double v) { return static_cast<int64_t>(v + 0.5); }
} // end namespace
bool JSONReporter::ReportContext(const Context& context) {
std::ostream& out = GetOutputStream();
out << "{\n";
std::string inner_indent(2, ' ');
// Open context block and print context information.
out << inner_indent << "\"context\": {\n";
std::string indent(4, ' ');
std::string walltime_value = LocalDateTimeString();
out << indent << FormatKV("date", walltime_value) << ",\n";
out << indent << FormatKV("num_cpus", static_cast<int64_t>(context.num_cpus))
<< ",\n";
out << indent << FormatKV("mhz_per_cpu", RoundDouble(context.mhz_per_cpu))
<< ",\n";
out << indent << FormatKV("cpu_scaling_enabled", context.cpu_scaling_enabled)
<< ",\n";
#if defined(NDEBUG)
const char build_type[] = "release";
#else
const char build_type[] = "debug";
#endif
out << indent << FormatKV("library_build_type", build_type) << "\n";
// Close context block and open the list of benchmarks.
out << inner_indent << "},\n";
out << inner_indent << "\"benchmarks\": [\n";
return true;
}
void JSONReporter::ReportRuns(std::vector<Run> const& reports) {
if (reports.empty()) {
return;
}
std::string indent(4, ' ');
std::ostream& out = GetOutputStream();
if (!first_report_) {
out << ",\n";
}
first_report_ = false;
for (auto it = reports.begin(); it != reports.end(); ++it) {
out << indent << "{\n";
PrintRunData(*it);
out << indent << '}';
auto it_cp = it;
if (++it_cp != reports.end()) {
out << ",\n";
}
}
}
void JSONReporter::Finalize() {
// Close the list of benchmarks and the top level object.
GetOutputStream() << "\n ]\n}\n";
}
void JSONReporter::PrintRunData(Run const& run) {
std::string indent(6, ' ');
std::ostream& out = GetOutputStream();
out << indent << FormatKV("name", run.benchmark_name) << ",\n";
if (run.error_occurred) {
out << indent << FormatKV("error_occurred", run.error_occurred) << ",\n";
out << indent << FormatKV("error_message", run.error_message) << ",\n";
}
if (!run.report_big_o && !run.report_rms) {
out << indent << FormatKV("iterations", run.iterations) << ",\n";
out << indent
<< FormatKV("real_time", RoundDouble(run.GetAdjustedRealTime()))
<< ",\n";
out << indent
<< FormatKV("cpu_time", RoundDouble(run.GetAdjustedCPUTime()));
out << ",\n"
<< indent << FormatKV("time_unit", GetTimeUnitString(run.time_unit));
} else if (run.report_big_o) {
out << indent
<< FormatKV("cpu_coefficient", RoundDouble(run.GetAdjustedCPUTime()))
<< ",\n";
out << indent
<< FormatKV("real_coefficient", RoundDouble(run.GetAdjustedRealTime()))
<< ",\n";
out << indent << FormatKV("big_o", GetBigOString(run.complexity)) << ",\n";
out << indent << FormatKV("time_unit", GetTimeUnitString(run.time_unit));
} else if (run.report_rms) {
out << indent
<< FormatKV("rms", run.GetAdjustedCPUTime());
}
if (run.bytes_per_second > 0.0) {
out << ",\n"
<< indent
<< FormatKV("bytes_per_second", RoundDouble(run.bytes_per_second));
}
if (run.items_per_second > 0.0) {
out << ",\n"
<< indent
<< FormatKV("items_per_second", RoundDouble(run.items_per_second));
}
if (!run.report_label.empty()) {
out << ",\n" << indent << FormatKV("label", run.report_label);
}
out << '\n';
}
} // end namespace benchmark

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benchmark-v1.1.0/src/log.h
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#ifndef BENCHMARK_LOG_H_
#define BENCHMARK_LOG_H_
#include <iostream>
#include <ostream>
#include "benchmark/macros.h"
namespace benchmark {
namespace internal {
typedef std::basic_ostream<char>&(EndLType)(std::basic_ostream<char>&);
class LogType {
friend LogType& GetNullLogInstance();
friend LogType& GetErrorLogInstance();
// FIXME: Add locking to output.
template <class Tp>
friend LogType& operator<<(LogType&, Tp const&);
friend LogType& operator<<(LogType&, EndLType*);
private:
LogType(std::ostream* out) : out_(out) {}
std::ostream* out_;
BENCHMARK_DISALLOW_COPY_AND_ASSIGN(LogType);
};
template <class Tp>
LogType& operator<<(LogType& log, Tp const& value) {
if (log.out_) {
*log.out_ << value;
}
return log;
}
inline LogType& operator<<(LogType& log, EndLType* m) {
if (log.out_) {
*log.out_ << m;
}
return log;
}
inline int& LogLevel() {
static int log_level = 0;
return log_level;
}
inline LogType& GetNullLogInstance() {
static LogType log(nullptr);
return log;
}
inline LogType& GetErrorLogInstance() {
static LogType log(&std::clog);
return log;
}
inline LogType& GetLogInstanceForLevel(int level) {
if (level <= LogLevel()) {
return GetErrorLogInstance();
}
return GetNullLogInstance();
}
} // end namespace internal
} // end namespace benchmark
#define VLOG(x) \
(::benchmark::internal::GetLogInstanceForLevel(x) << "-- LOG(" << x << "):" \
" ")
#endif

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benchmark-v1.1.0/src/mutex.h
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#ifndef BENCHMARK_MUTEX_H_
#define BENCHMARK_MUTEX_H_
#include <condition_variable>
#include <mutex>
#include "check.h"
// Enable thread safety attributes only with clang.
// The attributes can be safely erased when compiling with other compilers.
#if defined(HAVE_THREAD_SAFETY_ATTRIBUTES)
#define THREAD_ANNOTATION_ATTRIBUTE__(x) __attribute__((x))
#else
#define THREAD_ANNOTATION_ATTRIBUTE__(x) // no-op
#endif
#define CAPABILITY(x) THREAD_ANNOTATION_ATTRIBUTE__(capability(x))
#define SCOPED_CAPABILITY THREAD_ANNOTATION_ATTRIBUTE__(scoped_lockable)
#define GUARDED_BY(x) THREAD_ANNOTATION_ATTRIBUTE__(guarded_by(x))
#define PT_GUARDED_BY(x) THREAD_ANNOTATION_ATTRIBUTE__(pt_guarded_by(x))
#define ACQUIRED_BEFORE(...) \
THREAD_ANNOTATION_ATTRIBUTE__(acquired_before(__VA_ARGS__))
#define ACQUIRED_AFTER(...) \
THREAD_ANNOTATION_ATTRIBUTE__(acquired_after(__VA_ARGS__))
#define REQUIRES(...) \
THREAD_ANNOTATION_ATTRIBUTE__(requires_capability(__VA_ARGS__))
#define REQUIRES_SHARED(...) \
THREAD_ANNOTATION_ATTRIBUTE__(requires_shared_capability(__VA_ARGS__))
#define ACQUIRE(...) \
THREAD_ANNOTATION_ATTRIBUTE__(acquire_capability(__VA_ARGS__))
#define ACQUIRE_SHARED(...) \
THREAD_ANNOTATION_ATTRIBUTE__(acquire_shared_capability(__VA_ARGS__))
#define RELEASE(...) \
THREAD_ANNOTATION_ATTRIBUTE__(release_capability(__VA_ARGS__))
#define RELEASE_SHARED(...) \
THREAD_ANNOTATION_ATTRIBUTE__(release_shared_capability(__VA_ARGS__))
#define TRY_ACQUIRE(...) \
THREAD_ANNOTATION_ATTRIBUTE__(try_acquire_capability(__VA_ARGS__))
#define TRY_ACQUIRE_SHARED(...) \
THREAD_ANNOTATION_ATTRIBUTE__(try_acquire_shared_capability(__VA_ARGS__))
#define EXCLUDES(...) THREAD_ANNOTATION_ATTRIBUTE__(locks_excluded(__VA_ARGS__))
#define ASSERT_CAPABILITY(x) THREAD_ANNOTATION_ATTRIBUTE__(assert_capability(x))
#define ASSERT_SHARED_CAPABILITY(x) \
THREAD_ANNOTATION_ATTRIBUTE__(assert_shared_capability(x))
#define RETURN_CAPABILITY(x) THREAD_ANNOTATION_ATTRIBUTE__(lock_returned(x))
#define NO_THREAD_SAFETY_ANALYSIS \
THREAD_ANNOTATION_ATTRIBUTE__(no_thread_safety_analysis)
namespace benchmark {
typedef std::condition_variable Condition;
// NOTE: Wrappers for std::mutex and std::unique_lock are provided so that
// we can annotate them with thread safety attributes and use the
// -Wthread-safety warning with clang. The standard library types cannot be
// used directly because they do not provided the required annotations.
class CAPABILITY("mutex") Mutex {
public:
Mutex() {}
void lock() ACQUIRE() { mut_.lock(); }
void unlock() RELEASE() { mut_.unlock(); }
std::mutex& native_handle() { return mut_; }
private:
std::mutex mut_;
};
class SCOPED_CAPABILITY MutexLock {
typedef std::unique_lock<std::mutex> MutexLockImp;
public:
MutexLock(Mutex& m) ACQUIRE(m) : ml_(m.native_handle()) {}
~MutexLock() RELEASE() {}
MutexLockImp& native_handle() { return ml_; }
private:
MutexLockImp ml_;
};
class Barrier {
public:
Barrier(int num_threads) : running_threads_(num_threads) {}
// Called by each thread
bool wait() EXCLUDES(lock_) {
bool last_thread = false;
{
MutexLock ml(lock_);
last_thread = createBarrier(ml);
}
if (last_thread) phase_condition_.notify_all();
return last_thread;
}
void removeThread() EXCLUDES(lock_) {
MutexLock ml(lock_);
--running_threads_;
if (entered_ != 0) phase_condition_.notify_all();
}
private:
Mutex lock_;
Condition phase_condition_;
int running_threads_;
// State for barrier management
int phase_number_ = 0;
int entered_ = 0; // Number of threads that have entered this barrier
// Enter the barrier and wait until all other threads have also
// entered the barrier. Returns iff this is the last thread to
// enter the barrier.
bool createBarrier(MutexLock& ml) REQUIRES(lock_) {
CHECK_LT(entered_, running_threads_);
entered_++;
if (entered_ < running_threads_) {
// Wait for all threads to enter
int phase_number_cp = phase_number_;
auto cb = [this, phase_number_cp]() {
return this->phase_number_ > phase_number_cp ||
entered_ == running_threads_; // A thread has aborted in error
};
phase_condition_.wait(ml.native_handle(), cb);
if (phase_number_ > phase_number_cp) return false;
// else (running_threads_ == entered_) and we are the last thread.
}
// Last thread has reached the barrier
phase_number_++;
entered_ = 0;
return true;
}
};
} // end namespace benchmark
#endif // BENCHMARK_MUTEX_H_

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benchmark-v1.1.0/src/re.h
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// Copyright 2015 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef BENCHMARK_RE_H_
#define BENCHMARK_RE_H_
#if defined(HAVE_STD_REGEX)
#include <regex>
#elif defined(HAVE_GNU_POSIX_REGEX)
#include <gnuregex.h>
#elif defined(HAVE_POSIX_REGEX)
#include <regex.h>
#else
#error No regular expression backend was found!
#endif
#include <string>
#include "check.h"
namespace benchmark {
// A wrapper around the POSIX regular expression API that provides automatic
// cleanup
class Regex {
public:
Regex() : init_(false) {}
~Regex();
// Compile a regular expression matcher from spec. Returns true on success.
//
// On failure (and if error is not nullptr), error is populated with a human
// readable error message if an error occurs.
bool Init(const std::string& spec, std::string* error);
// Returns whether str matches the compiled regular expression.
bool Match(const std::string& str);
private:
bool init_;
// Underlying regular expression object
#if defined(HAVE_STD_REGEX)
std::regex re_;
#elif defined(HAVE_POSIX_REGEX) || defined(HAVE_GNU_POSIX_REGEX)
regex_t re_;
#else
#error No regular expression backend implementation available
#endif
};
#if defined(HAVE_STD_REGEX)
inline bool Regex::Init(const std::string& spec, std::string* error) {
try {
re_ = std::regex(spec, std::regex_constants::extended);
init_ = true;
} catch (const std::regex_error& e) {
if (error) {
*error = e.what();
}
}
return init_;
}
inline Regex::~Regex() {}
inline bool Regex::Match(const std::string& str) {
if (!init_) {
return false;
}
return std::regex_search(str, re_);
}
#else
inline bool Regex::Init(const std::string& spec, std::string* error) {
int ec = regcomp(&re_, spec.c_str(), REG_EXTENDED | REG_NOSUB);
if (ec != 0) {
if (error) {
size_t needed = regerror(ec, &re_, nullptr, 0);
char* errbuf = new char[needed];
regerror(ec, &re_, errbuf, needed);
// regerror returns the number of bytes necessary to null terminate
// the string, so we move that when assigning to error.
CHECK_NE(needed, 0);
error->assign(errbuf, needed - 1);
delete[] errbuf;
}
return false;
}
init_ = true;
return true;
}
inline Regex::~Regex() {
if (init_) {
regfree(&re_);
}
}
inline bool Regex::Match(const std::string& str) {
if (!init_) {
return false;
}
return regexec(&re_, str.c_str(), 0, nullptr, 0) == 0;
}
#endif
} // end namespace benchmark
#endif // BENCHMARK_RE_H_

68
benchmark-v1.1.0/src/reporter.cc
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// Copyright 2015 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "benchmark/reporter.h"
#include "timers.h"
#include <cstdlib>
#include <iostream>
#include <tuple>
#include <vector>
#include "check.h"
#include "stat.h"
namespace benchmark {
BenchmarkReporter::BenchmarkReporter()
: output_stream_(&std::cout), error_stream_(&std::cerr) {}
BenchmarkReporter::~BenchmarkReporter() {}
void BenchmarkReporter::PrintBasicContext(std::ostream *out_ptr,
Context const &context) {
CHECK(out_ptr) << "cannot be null";
auto &Out = *out_ptr;
Out << "Run on (" << context.num_cpus << " X " << context.mhz_per_cpu
<< " MHz CPU " << ((context.num_cpus > 1) ? "s" : "") << ")\n";
Out << LocalDateTimeString() << "\n";
if (context.cpu_scaling_enabled) {
Out << "***WARNING*** CPU scaling is enabled, the benchmark "
"real time measurements may be noisy and will incur extra "
"overhead.\n";
}
#ifndef NDEBUG
Out << "***WARNING*** Library was built as DEBUG. Timings may be "
"affected.\n";
#endif
}
double BenchmarkReporter::Run::GetAdjustedRealTime() const {
double new_time = real_accumulated_time * GetTimeUnitMultiplier(time_unit);
if (iterations != 0) new_time /= static_cast<double>(iterations);
return new_time;
}
double BenchmarkReporter::Run::GetAdjustedCPUTime() const {
double new_time = cpu_accumulated_time * GetTimeUnitMultiplier(time_unit);
if (iterations != 0) new_time /= static_cast<double>(iterations);
return new_time;
}
} // end namespace benchmark

50
benchmark-v1.1.0/src/sleep.cc
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// Copyright 2015 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "sleep.h"
#include <cerrno>
#include <ctime>
#include "internal_macros.h"
#ifdef BENCHMARK_OS_WINDOWS
#include <Windows.h>
#endif
namespace benchmark {
#ifdef BENCHMARK_OS_WINDOWS
// Window's Sleep takes milliseconds argument.
void SleepForMilliseconds(int milliseconds) { Sleep(milliseconds); }
void SleepForSeconds(double seconds) {
SleepForMilliseconds(static_cast<int>(kNumMillisPerSecond * seconds));
}
#else // BENCHMARK_OS_WINDOWS
void SleepForMicroseconds(int microseconds) {
struct timespec sleep_time;
sleep_time.tv_sec = microseconds / kNumMicrosPerSecond;
sleep_time.tv_nsec = (microseconds % kNumMicrosPerSecond) * kNumNanosPerMicro;
while (nanosleep(&sleep_time, &sleep_time) != 0 && errno == EINTR)
; // Ignore signals and wait for the full interval to elapse.
}
void SleepForMilliseconds(int milliseconds) {
SleepForMicroseconds(static_cast<int>(milliseconds) * kNumMicrosPerMilli);
}
void SleepForSeconds(double seconds) {
SleepForMicroseconds(static_cast<int>(seconds * kNumMicrosPerSecond));
}
#endif // BENCHMARK_OS_WINDOWS
} // end namespace benchmark

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benchmark-v1.1.0/src/sleep.h
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#ifndef BENCHMARK_SLEEP_H_
#define BENCHMARK_SLEEP_H_
#include <cstdint>
namespace benchmark {
const int64_t kNumMillisPerSecond = 1000LL;
const int64_t kNumMicrosPerMilli = 1000LL;
const int64_t kNumMicrosPerSecond = kNumMillisPerSecond * 1000LL;
const int64_t kNumNanosPerMicro = 1000LL;
const int64_t kNumNanosPerSecond = kNumNanosPerMicro * kNumMicrosPerSecond;
void SleepForMilliseconds(int milliseconds);
void SleepForSeconds(double seconds);
} // end namespace benchmark
#endif // BENCHMARK_SLEEP_H_

306
benchmark-v1.1.0/src/stat.h
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#ifndef BENCHMARK_STAT_H_
#define BENCHMARK_STAT_H_
#include <cmath>
#include <limits>
#include <ostream>
#include <type_traits>
namespace benchmark {
template <typename VType, typename NumType>
class Stat1;
template <typename VType, typename NumType>
class Stat1MinMax;
typedef Stat1<float, int64_t> Stat1_f;
typedef Stat1<double, int64_t> Stat1_d;
typedef Stat1MinMax<float, int64_t> Stat1MinMax_f;
typedef Stat1MinMax<double, int64_t> Stat1MinMax_d;
template <typename VType>
class Vector2;
template <typename VType>
class Vector3;
template <typename VType>
class Vector4;
template <typename VType, typename NumType>
class Stat1 {
public:
typedef Stat1<VType, NumType> Self;
Stat1() { Clear(); }
// Create a sample of value dat and weight 1
explicit Stat1(const VType &dat) {
sum_ = dat;
sum_squares_ = Sqr(dat);
numsamples_ = 1;
}
// Create statistics for all the samples between begin (included)
// and end(excluded)
explicit Stat1(const VType *begin, const VType *end) {
Clear();
for (const VType *item = begin; item < end; ++item) {
(*this) += Stat1(*item);
}
}
// Create a sample of value dat and weight w
Stat1(const VType &dat, const NumType &w) {
sum_ = w * dat;
sum_squares_ = w * Sqr(dat);
numsamples_ = w;
}
// Copy operator
Stat1(const Self &stat) {
sum_ = stat.sum_;
sum_squares_ = stat.sum_squares_;
numsamples_ = stat.numsamples_;
}
void Clear() {
numsamples_ = NumType();
sum_squares_ = sum_ = VType();
}
Self &operator=(const Self &stat) {
sum_ = stat.sum_;
sum_squares_ = stat.sum_squares_;
numsamples_ = stat.numsamples_;
return (*this);
}
// Merge statistics from two sample sets.
Self &operator+=(const Self &stat) {
sum_ += stat.sum_;
sum_squares_ += stat.sum_squares_;
numsamples_ += stat.numsamples_;
return (*this);
}
// The operation opposite to +=
Self &operator-=(const Self &stat) {
sum_ -= stat.sum_;
sum_squares_ -= stat.sum_squares_;
numsamples_ -= stat.numsamples_;
return (*this);
}
// Multiply the weight of the set of samples by a factor k
Self &operator*=(const VType &k) {
sum_ *= k;
sum_squares_ *= k;
numsamples_ *= k;
return (*this);
}
// Merge statistics from two sample sets.
Self operator+(const Self &stat) const { return Self(*this) += stat; }
// The operation opposite to +
Self operator-(const Self &stat) const { return Self(*this) -= stat; }
// Multiply the weight of the set of samples by a factor k
Self operator*(const VType &k) const { return Self(*this) *= k; }
// Return the total weight of this sample set
NumType numSamples() const { return numsamples_; }
// Return the sum of this sample set
VType Sum() const { return sum_; }
// Return the mean of this sample set
VType Mean() const {
if (numsamples_ == 0) return VType();
return sum_ * (1.0 / numsamples_);
}
// Return the mean of this sample set and compute the standard deviation at
// the same time.
VType Mean(VType *stddev) const {
if (numsamples_ == 0) return VType();
VType mean = sum_ * (1.0 / numsamples_);
if (stddev) {
VType avg_squares = sum_squares_ * (1.0 / numsamples_);
*stddev = Sqrt(avg_squares - Sqr(mean));
}
return mean;
}
// Return the standard deviation of the sample set
VType StdDev() const {
if (numsamples_ == 0) return VType();
VType mean = Mean();
VType avg_squares = sum_squares_ * (1.0 / numsamples_);
return Sqrt(avg_squares - Sqr(mean));
}
private:
static_assert(std::is_integral<NumType>::value &&
!std::is_same<NumType, bool>::value,
"NumType must be an integral type that is not bool.");
// Let i be the index of the samples provided (using +=)
// and weight[i],value[i] be the data of sample #i
// then the variables have the following meaning:
NumType numsamples_; // sum of weight[i];
VType sum_; // sum of weight[i]*value[i];
VType sum_squares_; // sum of weight[i]*value[i]^2;
// Template function used to square a number.
// For a vector we square all components
template <typename SType>
static inline SType Sqr(const SType &dat) {
return dat * dat;
}
template <typename SType>
static inline Vector2<SType> Sqr(const Vector2<SType> &dat) {
return dat.MulComponents(dat);
}
template <typename SType>
static inline Vector3<SType> Sqr(const Vector3<SType> &dat) {
return dat.MulComponents(dat);
}
template <typename SType>
static inline Vector4<SType> Sqr(const Vector4<SType> &dat) {
return dat.MulComponents(dat);
}
// Template function used to take the square root of a number.
// For a vector we square all components
template <typename SType>
static inline SType Sqrt(const SType &dat) {
// Avoid NaN due to imprecision in the calculations
if (dat < 0) return 0;
return sqrt(dat);
}
template <typename SType>
static inline Vector2<SType> Sqrt(const Vector2<SType> &dat) {
// Avoid NaN due to imprecision in the calculations
return Max(dat, Vector2<SType>()).Sqrt();
}
template <typename SType>
static inline Vector3<SType> Sqrt(const Vector3<SType> &dat) {
// Avoid NaN due to imprecision in the calculations
return Max(dat, Vector3<SType>()).Sqrt();
}
template <typename SType>
static inline Vector4<SType> Sqrt(const Vector4<SType> &dat) {
// Avoid NaN due to imprecision in the calculations
return Max(dat, Vector4<SType>()).Sqrt();
}
};
// Useful printing function
template <typename VType, typename NumType>
std::ostream &operator<<(std::ostream &out, const Stat1<VType, NumType> &s) {
out << "{ avg = " << s.Mean() << " std = " << s.StdDev()
<< " nsamples = " << s.NumSamples() << "}";
return out;
}
// Stat1MinMax: same as Stat1, but it also
// keeps the Min and Max values; the "-"
// operator is disabled because it cannot be implemented
// efficiently
template <typename VType, typename NumType>
class Stat1MinMax : public Stat1<VType, NumType> {
public:
typedef Stat1MinMax<VType, NumType> Self;
Stat1MinMax() { Clear(); }
// Create a sample of value dat and weight 1
explicit Stat1MinMax(const VType &dat) : Stat1<VType, NumType>(dat) {
max_ = dat;
min_ = dat;
}
// Create statistics for all the samples between begin (included)
// and end(excluded)
explicit Stat1MinMax(const VType *begin, const VType *end) {
Clear();
for (const VType *item = begin; item < end; ++item) {
(*this) += Stat1MinMax(*item);
}
}
// Create a sample of value dat and weight w
Stat1MinMax(const VType &dat, const NumType &w)
: Stat1<VType, NumType>(dat, w) {
max_ = dat;
min_ = dat;
}
// Copy operator
Stat1MinMax(const Self &stat) : Stat1<VType, NumType>(stat) {
max_ = stat.max_;
min_ = stat.min_;
}
void Clear() {
Stat1<VType, NumType>::Clear();
if (std::numeric_limits<VType>::has_infinity) {
min_ = std::numeric_limits<VType>::infinity();
max_ = -std::numeric_limits<VType>::infinity();
} else {
min_ = std::numeric_limits<VType>::max();
max_ = std::numeric_limits<VType>::min();
}
}
Self &operator=(const Self &stat) {
this->Stat1<VType, NumType>::operator=(stat);
max_ = stat.max_;
min_ = stat.min_;
return (*this);
}
// Merge statistics from two sample sets.
Self &operator+=(const Self &stat) {
this->Stat1<VType, NumType>::operator+=(stat);
if (stat.max_ > max_) max_ = stat.max_;
if (stat.min_ < min_) min_ = stat.min_;
return (*this);
}
// Multiply the weight of the set of samples by a factor k
Self &operator*=(const VType &stat) {
this->Stat1<VType, NumType>::operator*=(stat);
return (*this);
}
// Merge statistics from two sample sets.
Self operator+(const Self &stat) const { return Self(*this) += stat; }
// Multiply the weight of the set of samples by a factor k
Self operator*(const VType &k) const { return Self(*this) *= k; }
// Return the maximal value in this sample set
VType Max() const { return max_; }
// Return the minimal value in this sample set
VType Min() const { return min_; }
private:
// The - operation makes no sense with Min/Max
// unless we keep the full list of values (but we don't)
// make it private, and let it undefined so nobody can call it
Self &operator-=(const Self &stat); // senseless. let it undefined.
// The operation opposite to -
Self operator-(const Self &stat) const; // senseless. let it undefined.
// Let i be the index of the samples provided (using +=)
// and weight[i],value[i] be the data of sample #i
// then the variables have the following meaning:
VType max_; // max of value[i]
VType min_; // min of value[i]
};
// Useful printing function
template <typename VType, typename NumType>
std::ostream &operator<<(std::ostream &out,
const Stat1MinMax<VType, NumType> &s) {
out << "{ avg = " << s.Mean() << " std = " << s.StdDev()
<< " nsamples = " << s.NumSamples() << " min = " << s.Min()
<< " max = " << s.Max() << "}";
return out;
}
} // end namespace benchmark
#endif // BENCHMARK_STAT_H_

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#include "string_util.h"
#include <array>
#include <cmath>
#include <cstdarg>
#include <cstdio>
#include <memory>
#include <sstream>
#include "arraysize.h"
namespace benchmark {
namespace {
// kilo, Mega, Giga, Tera, Peta, Exa, Zetta, Yotta.
const char kBigSIUnits[] = "kMGTPEZY";
// Kibi, Mebi, Gibi, Tebi, Pebi, Exbi, Zebi, Yobi.
const char kBigIECUnits[] = "KMGTPEZY";
// milli, micro, nano, pico, femto, atto, zepto, yocto.
const char kSmallSIUnits[] = "munpfazy";
// We require that all three arrays have the same size.
static_assert(arraysize(kBigSIUnits) == arraysize(kBigIECUnits),
"SI and IEC unit arrays must be the same size");
static_assert(arraysize(kSmallSIUnits) == arraysize(kBigSIUnits),
"Small SI and Big SI unit arrays must be the same size");
static const int64_t kUnitsSize = arraysize(kBigSIUnits);
} // end anonymous namespace
void ToExponentAndMantissa(double val, double thresh, int precision,
double one_k, std::string* mantissa,
int64_t* exponent) {
std::stringstream mantissa_stream;
if (val < 0) {
mantissa_stream << "-";
val = -val;
}
// Adjust threshold so that it never excludes things which can't be rendered
// in 'precision' digits.
const double adjusted_threshold =
std::max(thresh, 1.0 / std::pow(10.0, precision));
const double big_threshold = adjusted_threshold * one_k;
const double small_threshold = adjusted_threshold;
if (val > big_threshold) {
// Positive powers
double scaled = val;
for (size_t i = 0; i < arraysize(kBigSIUnits); ++i) {
scaled /= one_k;
if (scaled <= big_threshold) {
mantissa_stream << scaled;
*exponent = i + 1;
*mantissa = mantissa_stream.str();
return;
}
}
mantissa_stream << val;
*exponent = 0;
} else if (val < small_threshold) {
// Negative powers
double scaled = val;
for (size_t i = 0; i < arraysize(kSmallSIUnits); ++i) {
scaled *= one_k;
if (scaled >= small_threshold) {
mantissa_stream << scaled;
*exponent = -static_cast<int64_t>(i + 1);
*mantissa = mantissa_stream.str();
return;
}
}
mantissa_stream << val;
*exponent = 0;
} else {
mantissa_stream << val;
*exponent = 0;
}
*mantissa = mantissa_stream.str();
}
std::string ExponentToPrefix(int64_t exponent, bool iec) {
if (exponent == 0) return "";
const int64_t index = (exponent > 0 ? exponent - 1 : -exponent - 1);
if (index >= kUnitsSize) return "";
const char* array =
(exponent > 0 ? (iec ? kBigIECUnits : kBigSIUnits) : kSmallSIUnits);
if (iec)
return array[index] + std::string("i");
else
return std::string(1, array[index]);
}
std::string ToBinaryStringFullySpecified(double value, double threshold,
int precision) {
std::string mantissa;
int64_t exponent;
ToExponentAndMantissa(value, threshold, precision, 1024.0, &mantissa,
&exponent);
return mantissa + ExponentToPrefix(exponent, false);
}
void AppendHumanReadable(int n, std::string* str) {
std::stringstream ss;
// Round down to the nearest SI prefix.
ss << ToBinaryStringFullySpecified(n, 1.0, 0);
*str += ss.str();
}
std::string HumanReadableNumber(double n) {
// 1.1 means that figures up to 1.1k should be shown with the next unit down;
// this softens edge effects.
// 1 means that we should show one decimal place of precision.
return ToBinaryStringFullySpecified(n, 1.1, 1);
}
std::string StringPrintFImp(const char* msg, va_list args) {
// we might need a second shot at this, so pre-emptivly make a copy
va_list args_cp;
va_copy(args_cp, args);
// TODO(ericwf): use std::array for first attempt to avoid one memory
// allocation guess what the size might be
std::array<char, 256> local_buff;
std::size_t size = local_buff.size();
// 2015-10-08: vsnprintf is used instead of snd::vsnprintf due to a limitation
// in the android-ndk
auto ret = vsnprintf(local_buff.data(), size, msg, args_cp);
va_end(args_cp);
// handle empty expansion
if (ret == 0) return std::string{};
if (static_cast<std::size_t>(ret) < size)
return std::string(local_buff.data());
// we did not provide a long enough buffer on our first attempt.
// add 1 to size to account for null-byte in size cast to prevent overflow
size = static_cast<std::size_t>(ret) + 1;
auto buff_ptr = std::unique_ptr<char[]>(new char[size]);
// 2015-10-08: vsnprintf is used instead of snd::vsnprintf due to a limitation
// in the android-ndk
ret = vsnprintf(buff_ptr.get(), size, msg, args);
return std::string(buff_ptr.get());
}
std::string StringPrintF(const char* format, ...) {
va_list args;
va_start(args, format);
std::string tmp = StringPrintFImp(format, args);
va_end(args);
return tmp;
}
void ReplaceAll(std::string* str, const std::string& from,
const std::string& to) {
std::size_t start = 0;
while ((start = str->find(from, start)) != std::string::npos) {
str->replace(start, from.length(), to);
start += to.length();
}
}
} // end namespace benchmark

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#ifndef BENCHMARK_STRING_UTIL_H_
#define BENCHMARK_STRING_UTIL_H_
#include <sstream>
#include <string>
#include <utility>
#include "internal_macros.h"
namespace benchmark {
void AppendHumanReadable(int n, std::string* str);
std::string HumanReadableNumber(double n);
std::string StringPrintF(const char* format, ...);
inline std::ostream& StringCatImp(std::ostream& out) BENCHMARK_NOEXCEPT {
return out;
}
template <class First, class... Rest>
inline std::ostream& StringCatImp(std::ostream& out, First&& f,
Rest&&... rest) {
out << std::forward<First>(f);
return StringCatImp(out, std::forward<Rest>(rest)...);
}
template <class... Args>
inline std::string StrCat(Args&&... args) {
std::ostringstream ss;
StringCatImp(ss, std::forward<Args>(args)...);
return ss.str();
}
void ReplaceAll(std::string* str, const std::string& from,
const std::string& to);
} // end namespace benchmark
#endif // BENCHMARK_STRING_UTIL_H_

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benchmark-v1.1.0/src/sysinfo.cc
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// Copyright 2015 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "sysinfo.h"
#include "internal_macros.h"
#ifdef BENCHMARK_OS_WINDOWS
#include <Shlwapi.h>
#include <VersionHelpers.h>
#include <Windows.h>
#else
#include <fcntl.h>
#include <sys/resource.h>
#include <sys/time.h>
#include <sys/types.h> // this header must be included before 'sys/sysctl.h' to avoid compilation error on FreeBSD
#include <unistd.h>
#if defined BENCHMARK_OS_FREEBSD || defined BENCHMARK_OS_MACOSX
#include <sys/sysctl.h>
#endif
#endif
#include <cerrno>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <limits>
#include <mutex>
#include "arraysize.h"
#include "check.h"
#include "cycleclock.h"
#include "internal_macros.h"
#include "log.h"
#include "sleep.h"
#include "string_util.h"
namespace benchmark {
namespace {
std::once_flag cpuinfo_init;
double cpuinfo_cycles_per_second = 1.0;
int cpuinfo_num_cpus = 1; // Conservative guess
#if !defined BENCHMARK_OS_MACOSX
const int64_t estimate_time_ms = 1000;
// Helper function estimates cycles/sec by observing cycles elapsed during
// sleep(). Using small sleep time decreases accuracy significantly.
int64_t EstimateCyclesPerSecond() {
const int64_t start_ticks = cycleclock::Now();
SleepForMilliseconds(estimate_time_ms);
return cycleclock::Now() - start_ticks;
}
#endif
#if defined BENCHMARK_OS_LINUX || defined BENCHMARK_OS_CYGWIN
// Helper function for reading an int from a file. Returns true if successful
// and the memory location pointed to by value is set to the value read.
bool ReadIntFromFile(const char* file, long* value) {
bool ret = false;
int fd = open(file, O_RDONLY);
if (fd != -1) {
char line[1024];
char* err;
memset(line, '\0', sizeof(line));
CHECK(read(fd, line, sizeof(line) - 1));
const long temp_value = strtol(line, &err, 10);
if (line[0] != '\0' && (*err == '\n' || *err == '\0')) {
*value = temp_value;
ret = true;
}
close(fd);
}
return ret;
}
#endif
#if defined BENCHMARK_OS_LINUX || defined BENCHMARK_OS_CYGWIN
static std::string convertToLowerCase(std::string s) {
for (auto& ch : s)
ch = std::tolower(ch);
return s;
}
static bool startsWithKey(std::string Value, std::string Key,
bool IgnoreCase = true) {
if (IgnoreCase) {
Key = convertToLowerCase(std::move(Key));
Value = convertToLowerCase(std::move(Value));
}
return Value.compare(0, Key.size(), Key) == 0;
}
#endif
void InitializeSystemInfo() {
#if defined BENCHMARK_OS_LINUX || defined BENCHMARK_OS_CYGWIN
char line[1024];
char* err;
long freq;
bool saw_mhz = false;
// If the kernel is exporting the tsc frequency use that. There are issues
// where cpuinfo_max_freq cannot be relied on because the BIOS may be
// exporintg an invalid p-state (on x86) or p-states may be used to put the
// processor in a new mode (turbo mode). Essentially, those frequencies
// cannot always be relied upon. The same reasons apply to /proc/cpuinfo as
// well.
if (!saw_mhz &&
ReadIntFromFile("/sys/devices/system/cpu/cpu0/tsc_freq_khz", &freq)) {
// The value is in kHz (as the file name suggests). For example, on a
// 2GHz warpstation, the file contains the value "2000000".
cpuinfo_cycles_per_second = freq * 1000.0;
saw_mhz = true;
}
// If CPU scaling is in effect, we want to use the *maximum* frequency,
// not whatever CPU speed some random processor happens to be using now.
if (!saw_mhz &&
ReadIntFromFile("/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq",
&freq)) {
// The value is in kHz. For example, on a 2GHz warpstation, the file
// contains the value "2000000".
cpuinfo_cycles_per_second = freq * 1000.0;
saw_mhz = true;
}
// Read /proc/cpuinfo for other values, and if there is no cpuinfo_max_freq.
const char* pname = "/proc/cpuinfo";
int fd = open(pname, O_RDONLY);
if (fd == -1) {
perror(pname);
if (!saw_mhz) {
cpuinfo_cycles_per_second =
static_cast<double>(EstimateCyclesPerSecond());
}
return;
}
double bogo_clock = 1.0;
bool saw_bogo = false;
long max_cpu_id = 0;
int num_cpus = 0;
line[0] = line[1] = '\0';
size_t chars_read = 0;
do { // we'll exit when the last read didn't read anything
// Move the next line to the beginning of the buffer
const size_t oldlinelen = strlen(line);
if (sizeof(line) == oldlinelen + 1) // oldlinelen took up entire line
line[0] = '\0';
else // still other lines left to save
memmove(line, line + oldlinelen + 1, sizeof(line) - (oldlinelen + 1));
// Terminate the new line, reading more if we can't find the newline
char* newline = strchr(line, '\n');
if (newline == nullptr) {
const size_t linelen = strlen(line);
const size_t bytes_to_read = sizeof(line) - 1 - linelen;
CHECK(bytes_to_read > 0); // because the memmove recovered >=1 bytes
chars_read = read(fd, line + linelen, bytes_to_read);
line[linelen + chars_read] = '\0';
newline = strchr(line, '\n');
}
if (newline != nullptr) *newline = '\0';
// When parsing the "cpu MHz" and "bogomips" (fallback) entries, we only
// accept postive values. Some environments (virtual machines) report zero,
// which would cause infinite looping in WallTime_Init.
if (!saw_mhz && startsWithKey(line, "cpu MHz")) {
const char* freqstr = strchr(line, ':');
if (freqstr) {
cpuinfo_cycles_per_second = strtod(freqstr + 1, &err) * 1000000.0;
if (freqstr[1] != '\0' && *err == '\0' && cpuinfo_cycles_per_second > 0)
saw_mhz = true;
}
} else if (startsWithKey(line, "bogomips")) {
const char* freqstr = strchr(line, ':');
if (freqstr) {
bogo_clock = strtod(freqstr + 1, &err) * 1000000.0;
if (freqstr[1] != '\0' && *err == '\0' && bogo_clock > 0)
saw_bogo = true;
}
} else if (startsWithKey(line, "processor", /*IgnoreCase*/false)) {
// The above comparison is case-sensitive because ARM kernels often
// include a "Processor" line that tells you about the CPU, distinct
// from the usual "processor" lines that give you CPU ids. No current
// Linux architecture is using "Processor" for CPU ids.
num_cpus++; // count up every time we see an "processor :" entry
const char* id_str = strchr(line, ':');
if (id_str) {
const long cpu_id = strtol(id_str + 1, &err, 10);
if (id_str[1] != '\0' && *err == '\0' && max_cpu_id < cpu_id)
max_cpu_id = cpu_id;
}
}
} while (chars_read > 0);
close(fd);
if (!saw_mhz) {
if (saw_bogo) {
// If we didn't find anything better, we'll use bogomips, but
// we're not happy about it.
cpuinfo_cycles_per_second = bogo_clock;
} else {
// If we don't even have bogomips, we'll use the slow estimation.
cpuinfo_cycles_per_second =
static_cast<double>(EstimateCyclesPerSecond());
}
}
if (num_cpus == 0) {
fprintf(stderr, "Failed to read num. CPUs correctly from /proc/cpuinfo\n");
} else {
if ((max_cpu_id + 1) != num_cpus) {
fprintf(stderr,
"CPU ID assignments in /proc/cpuinfo seem messed up."
" This is usually caused by a bad BIOS.\n");
}
cpuinfo_num_cpus = num_cpus;
}
#elif defined BENCHMARK_OS_FREEBSD
// For this sysctl to work, the machine must be configured without
// SMP, APIC, or APM support. hz should be 64-bit in freebsd 7.0
// and later. Before that, it's a 32-bit quantity (and gives the
// wrong answer on machines faster than 2^32 Hz). See
// http://lists.freebsd.org/pipermail/freebsd-i386/2004-November/001846.html
// But also compare FreeBSD 7.0:
// http://fxr.watson.org/fxr/source/i386/i386/tsc.c?v=RELENG70#L223
// 231 error = sysctl_handle_quad(oidp, &freq, 0, req);
// To FreeBSD 6.3 (it's the same in 6-STABLE):
// http://fxr.watson.org/fxr/source/i386/i386/tsc.c?v=RELENG6#L131
// 139 error = sysctl_handle_int(oidp, &freq, sizeof(freq), req);
#if __FreeBSD__ >= 7
uint64_t hz = 0;
#else
unsigned int hz = 0;
#endif
size_t sz = sizeof(hz);
const char* sysctl_path = "machdep.tsc_freq";
if (sysctlbyname(sysctl_path, &hz, &sz, nullptr, 0) != 0) {
fprintf(stderr, "Unable to determine clock rate from sysctl: %s: %s\n",
sysctl_path, strerror(errno));
cpuinfo_cycles_per_second = static_cast<double>(EstimateCyclesPerSecond());
} else {
cpuinfo_cycles_per_second = hz;
}
// TODO: also figure out cpuinfo_num_cpus
#elif defined BENCHMARK_OS_WINDOWS
// In NT, read MHz from the registry. If we fail to do so or we're in win9x
// then make a crude estimate.
DWORD data, data_size = sizeof(data);
if (IsWindowsXPOrGreater() &&
SUCCEEDED(
SHGetValueA(HKEY_LOCAL_MACHINE,
"HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0",
"~MHz", nullptr, &data, &data_size)))
cpuinfo_cycles_per_second =
static_cast<double>((int64_t)data * (int64_t)(1000 * 1000)); // was mhz
else
cpuinfo_cycles_per_second = static_cast<double>(EstimateCyclesPerSecond());
SYSTEM_INFO sysinfo;
// Use memset as opposed to = {} to avoid GCC missing initializer false
// positives.
std::memset(&sysinfo, 0, sizeof(SYSTEM_INFO));
GetSystemInfo(&sysinfo);
cpuinfo_num_cpus = sysinfo.dwNumberOfProcessors; // number of logical
// processors in the current
// group
#elif defined BENCHMARK_OS_MACOSX
int32_t num_cpus = 0;
size_t size = sizeof(num_cpus);
if (::sysctlbyname("hw.ncpu", &num_cpus, &size, nullptr, 0) == 0 &&
(size == sizeof(num_cpus))) {
cpuinfo_num_cpus = num_cpus;
} else {
fprintf(stderr, "%s\n", strerror(errno));
std::exit(EXIT_FAILURE);
}
int64_t cpu_freq = 0;
size = sizeof(cpu_freq);
if (::sysctlbyname("hw.cpufrequency", &cpu_freq, &size, nullptr, 0) == 0 &&
(size == sizeof(cpu_freq))) {
cpuinfo_cycles_per_second = cpu_freq;
} else {
fprintf(stderr, "%s\n", strerror(errno));
std::exit(EXIT_FAILURE);
}
#else
// Generic cycles per second counter
cpuinfo_cycles_per_second = static_cast<double>(EstimateCyclesPerSecond());
#endif
}
} // end namespace
double CyclesPerSecond(void) {
std::call_once(cpuinfo_init, InitializeSystemInfo);
return cpuinfo_cycles_per_second;
}
int NumCPUs(void) {
std::call_once(cpuinfo_init, InitializeSystemInfo);
return cpuinfo_num_cpus;
}
// The ""'s catch people who don't pass in a literal for "str"
#define strliterallen(str) (sizeof("" str "") - 1)
// Must use a string literal for prefix.
#define memprefix(str, len, prefix) \
((((len) >= strliterallen(prefix)) && \
std::memcmp(str, prefix, strliterallen(prefix)) == 0) \
? str + strliterallen(prefix) \
: nullptr)
bool CpuScalingEnabled() {
#ifndef BENCHMARK_OS_WINDOWS
// On Linux, the CPUfreq subsystem exposes CPU information as files on the
// local file system. If reading the exported files fails, then we may not be
// running on Linux, so we silently ignore all the read errors.
for (int cpu = 0, num_cpus = NumCPUs(); cpu < num_cpus; ++cpu) {
std::string governor_file =
StrCat("/sys/devices/system/cpu/cpu", cpu, "/cpufreq/scaling_governor");
FILE* file = fopen(governor_file.c_str(), "r");
if (!file) break;
char buff[16];
size_t bytes_read = fread(buff, 1, sizeof(buff), file);
fclose(file);
if (memprefix(buff, bytes_read, "performance") == nullptr) return true;
}
#endif
return false;
}
} // end namespace benchmark

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benchmark-v1.1.0/src/sysinfo.h
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#ifndef BENCHMARK_SYSINFO_H_
#define BENCHMARK_SYSINFO_H_
namespace benchmark {
int NumCPUs();
double CyclesPerSecond();
bool CpuScalingEnabled();
} // end namespace benchmark
#endif // BENCHMARK_SYSINFO_H_

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benchmark-v1.1.0/src/timers.cc
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// Copyright 2015 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "timers.h"
#include "internal_macros.h"
#ifdef BENCHMARK_OS_WINDOWS
#include <Shlwapi.h>
#include <VersionHelpers.h>
#include <Windows.h>
#else
#include <fcntl.h>
#include <sys/resource.h>
#include <sys/time.h>
#include <sys/types.h> // this header must be included before 'sys/sysctl.h' to avoid compilation error on FreeBSD
#include <unistd.h>
#if defined BENCHMARK_OS_FREEBSD || defined BENCHMARK_OS_MACOSX
#include <sys/sysctl.h>
#endif
#if defined(BENCHMARK_OS_MACOSX)
#include <mach/mach_init.h>
#include <mach/mach_port.h>
#include <mach/thread_act.h>
#endif
#endif
#include <cerrno>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <iostream>
#include <limits>
#include <mutex>
#include "check.h"
#include "log.h"
#include "sleep.h"
#include "string_util.h"
namespace benchmark {
// Suppress unused warnings on helper functions.
#if defined(__GNUC__)
#pragma GCC diagnostic ignored "-Wunused-function"
#endif
namespace {
#if defined(BENCHMARK_OS_WINDOWS)
double MakeTime(FILETIME const& kernel_time, FILETIME const& user_time) {
ULARGE_INTEGER kernel;
ULARGE_INTEGER user;
kernel.HighPart = kernel_time.dwHighDateTime;
kernel.LowPart = kernel_time.dwLowDateTime;
user.HighPart = user_time.dwHighDateTime;
user.LowPart = user_time.dwLowDateTime;
return (static_cast<double>(kernel.QuadPart) +
static_cast<double>(user.QuadPart)) *
1e-7;
}
#else
double MakeTime(struct rusage const& ru) {
return (static_cast<double>(ru.ru_utime.tv_sec) +
static_cast<double>(ru.ru_utime.tv_usec) * 1e-6 +
static_cast<double>(ru.ru_stime.tv_sec) +
static_cast<double>(ru.ru_stime.tv_usec) * 1e-6);
}
#endif
#if defined(BENCHMARK_OS_MACOSX)
double MakeTime(thread_basic_info_data_t const& info) {
return (static_cast<double>(info.user_time.seconds) +
static_cast<double>(info.user_time.microseconds) * 1e-6 +
static_cast<double>(info.system_time.seconds) +
static_cast<double>(info.system_time.microseconds) * 1e-6);
}
#endif
#if defined(CLOCK_PROCESS_CPUTIME_ID) || defined(CLOCK_THREAD_CPUTIME_ID)
double MakeTime(struct timespec const& ts) {
return ts.tv_sec + (static_cast<double>(ts.tv_nsec) * 1e-9);
}
#endif
BENCHMARK_NORETURN static void DiagnoseAndExit(const char* msg) {
std::cerr << "ERROR: " << msg << std::endl;
std::exit(EXIT_FAILURE);
}
} // end namespace
double ProcessCPUUsage() {
// FIXME We want to use clock_gettime, but its not available in MacOS 10.11. See
// https://github.com/google/benchmark/pull/292
#if defined(CLOCK_PROCESS_CPUTIME_ID) && !defined(BENCHMARK_OS_MACOSX)
struct timespec spec;
if (clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &spec) == 0)
return MakeTime(spec);
DiagnoseAndExit("clock_gettime(CLOCK_PROCESS_CPUTIME_ID, ...) failed");
#elif defined(BENCHMARK_OS_WINDOWS)
HANDLE proc = GetCurrentProcess();
FILETIME creation_time;
FILETIME exit_time;
FILETIME kernel_time;
FILETIME user_time;
if (GetProcessTimes(proc, &creation_time, &exit_time, &kernel_time,
&user_time))
return MakeTime(kernel_time, user_time);
DiagnoseAndExit("GetProccessTimes() failed");
#else
struct rusage ru;
if (getrusage(RUSAGE_SELF, &ru) == 0) return MakeTime(ru);
DiagnoseAndExit("clock_gettime(CLOCK_PROCESS_CPUTIME_ID, ...) failed");
#endif
}
double ThreadCPUUsage() {
// FIXME We want to use clock_gettime, but its not available in MacOS 10.11. See
// https://github.com/google/benchmark/pull/292
#if defined(CLOCK_THREAD_CPUTIME_ID) && !defined(BENCHMARK_OS_MACOSX)
struct timespec ts;
if (clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts) == 0) return MakeTime(ts);
DiagnoseAndExit("clock_gettime(CLOCK_THREAD_CPUTIME_ID, ...) failed");
#elif defined(BENCHMARK_OS_WINDOWS)
HANDLE this_thread = GetCurrentThread();
FILETIME creation_time;
FILETIME exit_time;
FILETIME kernel_time;
FILETIME user_time;
GetThreadTimes(this_thread, &creation_time, &exit_time, &kernel_time,
&user_time);
return MakeTime(kernel_time, user_time);
#elif defined(BENCHMARK_OS_MACOSX)
mach_msg_type_number_t count = THREAD_BASIC_INFO_COUNT;
thread_basic_info_data_t info;
mach_port_t thread = pthread_mach_thread_np(pthread_self());
if (thread_info(thread, THREAD_BASIC_INFO, (thread_info_t)&info, &count) ==
KERN_SUCCESS) {
return MakeTime(info);
}
DiagnoseAndExit("ThreadCPUUsage() failed when evaluating thread_info");
#else
#error Per-thread timing is not available on your system.
#endif
}
namespace {
std::string DateTimeString(bool local) {
typedef std::chrono::system_clock Clock;
std::time_t now = Clock::to_time_t(Clock::now());
const std::size_t kStorageSize = 128;
char storage[kStorageSize];
std::size_t written;
if (local) {
#if defined(BENCHMARK_OS_WINDOWS)
written =
std::strftime(storage, sizeof(storage), "%x %X", ::localtime(&now));
#else
std::tm timeinfo;
std::memset(&timeinfo, 0, sizeof(std::tm));
::localtime_r(&now, &timeinfo);
written = std::strftime(storage, sizeof(storage), "%F %T", &timeinfo);
#endif
} else {
#if defined(BENCHMARK_OS_WINDOWS)
written = std::strftime(storage, sizeof(storage), "%x %X", ::gmtime(&now));
#else
std::tm timeinfo;
std::memset(&timeinfo, 0, sizeof(std::tm));
::gmtime_r(&now, &timeinfo);
written = std::strftime(storage, sizeof(storage), "%F %T", &timeinfo);
#endif
}
CHECK(written < kStorageSize);
((void)written); // prevent unused variable in optimized mode.
return std::string(storage);
}
} // end namespace
std::string LocalDateTimeString() { return DateTimeString(true); }
} // end namespace benchmark

48
benchmark-v1.1.0/src/timers.h
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@@ -1,48 +0,0 @@
#ifndef BENCHMARK_TIMERS_H
#define BENCHMARK_TIMERS_H
#include <chrono>
#include <string>
namespace benchmark {
// Return the CPU usage of the current process
double ProcessCPUUsage();
// Return the CPU usage of the children of the current process
double ChildrenCPUUsage();
// Return the CPU usage of the current thread
double ThreadCPUUsage();
#if defined(HAVE_STEADY_CLOCK)
template <bool HighResIsSteady = std::chrono::high_resolution_clock::is_steady>
struct ChooseSteadyClock {
typedef std::chrono::high_resolution_clock type;
};
template <>
struct ChooseSteadyClock<false> {
typedef std::chrono::steady_clock type;
};
#endif
struct ChooseClockType {
#if defined(HAVE_STEADY_CLOCK)
typedef ChooseSteadyClock<>::type type;
#else
typedef std::chrono::high_resolution_clock type;
#endif
};
inline double ChronoClockNow() {
typedef ChooseClockType::type ClockType;
using FpSeconds = std::chrono::duration<double, std::chrono::seconds::period>;
return FpSeconds(ClockType::now().time_since_epoch()).count();
}
std::string LocalDateTimeString();
} // end namespace benchmark
#endif // BENCHMARK_TIMERS_H

139
benchmark-v1.1.0/test/CMakeLists.txt
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@@ -1,139 +0,0 @@
# Enable the tests
find_package(Threads REQUIRED)
# NOTE: These flags must be added after find_package(Threads REQUIRED) otherwise
# they will break the configuration check.
if (DEFINED BENCHMARK_CXX_LINKER_FLAGS)
list(APPEND CMAKE_EXE_LINKER_FLAGS ${BENCHMARK_CXX_LINKER_FLAGS})
endif()
add_library(output_test_helper STATIC output_test_helper.cc)
macro(compile_benchmark_test name)
add_executable(${name} "${name}.cc")
target_link_libraries(${name} benchmark ${CMAKE_THREAD_LIBS_INIT})
endmacro(compile_benchmark_test)
macro(compile_output_test name)
add_executable(${name} "${name}.cc" output_test.h)
target_link_libraries(${name} output_test_helper benchmark
${BENCHMARK_CXX_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
endmacro(compile_output_test)
# Demonstration executable
compile_benchmark_test(benchmark_test)
add_test(benchmark benchmark_test --benchmark_min_time=0.01)
compile_benchmark_test(filter_test)
macro(add_filter_test name filter expect)
add_test(${name} filter_test --benchmark_min_time=0.01 --benchmark_filter=${filter} ${expect})
add_test(${name}_list_only filter_test --benchmark_list_tests --benchmark_filter=${filter} ${expect})
endmacro(add_filter_test)
add_filter_test(filter_simple "Foo" 3)
add_filter_test(filter_suffix "BM_.*" 4)
add_filter_test(filter_regex_all ".*" 5)
add_filter_test(filter_regex_blank "" 5)
add_filter_test(filter_regex_none "monkey" 0)
add_filter_test(filter_regex_wildcard ".*Foo.*" 3)
add_filter_test(filter_regex_begin "^BM_.*" 4)
add_filter_test(filter_regex_begin2 "^N" 1)
add_filter_test(filter_regex_end ".*Ba$" 1)
compile_benchmark_test(options_test)
add_test(options_benchmarks options_test --benchmark_min_time=0.01)
compile_benchmark_test(basic_test)
add_test(basic_benchmark basic_test --benchmark_min_time=0.01)
compile_benchmark_test(diagnostics_test)
add_test(diagnostics_test diagnostics_test --benchmark_min_time=0.01)
compile_benchmark_test(skip_with_error_test)
add_test(skip_with_error_test skip_with_error_test --benchmark_min_time=0.01)
compile_benchmark_test(donotoptimize_test)
add_test(donotoptimize_test donotoptimize_test --benchmark_min_time=0.01)
compile_benchmark_test(fixture_test)
add_test(fixture_test fixture_test --benchmark_min_time=0.01)
compile_benchmark_test(register_benchmark_test)
add_test(register_benchmark_test register_benchmark_test --benchmark_min_time=0.01)
compile_benchmark_test(map_test)
add_test(map_test map_test --benchmark_min_time=0.01)
compile_benchmark_test(multiple_ranges_test)
add_test(multiple_ranges_test multiple_ranges_test --benchmark_min_time=0.01)
compile_output_test(reporter_output_test)
add_test(reporter_output_test reporter_output_test --benchmark_min_time=0.01)
check_cxx_compiler_flag(-std=c++03 BENCHMARK_HAS_CXX03_FLAG)
if (BENCHMARK_HAS_CXX03_FLAG)
set(CXX03_FLAGS "${CMAKE_CXX_FLAGS}")
string(REPLACE "-std=c++11" "-std=c++03" CXX03_FLAGS "${CXX03_FLAGS}")
string(REPLACE "-std=c++0x" "-std=c++03" CXX03_FLAGS "${CXX03_FLAGS}")
compile_benchmark_test(cxx03_test)
set_target_properties(cxx03_test
PROPERTIES COMPILE_FLAGS "${CXX03_FLAGS}")
add_test(cxx03 cxx03_test --benchmark_min_time=0.01)
endif()
# Attempt to work around flaky test failures when running on Appveyor servers.
if (DEFINED ENV{APPVEYOR})
set(COMPLEXITY_MIN_TIME "0.5")
else()
set(COMPLEXITY_MIN_TIME "0.01")
endif()
compile_output_test(complexity_test)
add_test(complexity_benchmark complexity_test --benchmark_min_time=${COMPLEXITY_MIN_TIME})
# Add the coverage command(s)
if(CMAKE_BUILD_TYPE)
string(TOLOWER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_LOWER)
endif()
if (${CMAKE_BUILD_TYPE_LOWER} MATCHES "coverage")
find_program(GCOV gcov)
find_program(LCOV lcov)
find_program(GENHTML genhtml)
find_program(CTEST ctest)
if (GCOV AND LCOV AND GENHTML AND CTEST AND HAVE_CXX_FLAG_COVERAGE)
add_custom_command(
OUTPUT ${CMAKE_BINARY_DIR}/lcov/index.html
COMMAND ${LCOV} -q -z -d .
COMMAND ${LCOV} -q --no-external -c -b "${CMAKE_SOURCE_DIR}" -d . -o before.lcov -i
COMMAND ${CTEST} --force-new-ctest-process
COMMAND ${LCOV} -q --no-external -c -b "${CMAKE_SOURCE_DIR}" -d . -o after.lcov
COMMAND ${LCOV} -q -a before.lcov -a after.lcov --output-file final.lcov
COMMAND ${LCOV} -q -r final.lcov "'${CMAKE_SOURCE_DIR}/test/*'" -o final.lcov
COMMAND ${GENHTML} final.lcov -o lcov --demangle-cpp --sort -p "${CMAKE_BINARY_DIR}" -t benchmark
DEPENDS filter_test benchmark_test options_test basic_test fixture_test cxx03_test complexity_test
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
COMMENT "Running LCOV"
)
add_custom_target(coverage
DEPENDS ${CMAKE_BINARY_DIR}/lcov/index.html
COMMENT "LCOV report at lcov/index.html"
)
message(STATUS "Coverage command added")
else()
if (HAVE_CXX_FLAG_COVERAGE)
set(CXX_FLAG_COVERAGE_MESSAGE supported)
else()
set(CXX_FLAG_COVERAGE_MESSAGE unavailable)
endif()
message(WARNING
"Coverage not available:\n"
" gcov: ${GCOV}\n"
" lcov: ${LCOV}\n"
" genhtml: ${GENHTML}\n"
" ctest: ${CTEST}\n"
" --coverage flag: ${CXX_FLAG_COVERAGE_MESSAGE}")
endif()
endif()

99
benchmark-v1.1.0/test/basic_test.cc
View File

@@ -1,99 +0,0 @@
#include "benchmark/benchmark_api.h"
#define BASIC_BENCHMARK_TEST(x) BENCHMARK(x)->Arg(8)->Arg(512)->Arg(8192)
void BM_empty(benchmark::State& state) {
while (state.KeepRunning()) {
benchmark::DoNotOptimize(state.iterations());
}
}
BENCHMARK(BM_empty);
BENCHMARK(BM_empty)->ThreadPerCpu();
void BM_spin_empty(benchmark::State& state) {
while (state.KeepRunning()) {
for (int x = 0; x < state.range(0); ++x) {
benchmark::DoNotOptimize(x);
}
}
}
BASIC_BENCHMARK_TEST(BM_spin_empty);
BASIC_BENCHMARK_TEST(BM_spin_empty)->ThreadPerCpu();
void BM_spin_pause_before(benchmark::State& state) {
for (int i = 0; i < state.range(0); ++i) {
benchmark::DoNotOptimize(i);
}
while (state.KeepRunning()) {
for (int i = 0; i < state.range(0); ++i) {
benchmark::DoNotOptimize(i);
}
}
}
BASIC_BENCHMARK_TEST(BM_spin_pause_before);
BASIC_BENCHMARK_TEST(BM_spin_pause_before)->ThreadPerCpu();
void BM_spin_pause_during(benchmark::State& state) {
while (state.KeepRunning()) {
state.PauseTiming();
for (int i = 0; i < state.range(0); ++i) {
benchmark::DoNotOptimize(i);
}
state.ResumeTiming();
for (int i = 0; i < state.range(0); ++i) {
benchmark::DoNotOptimize(i);
}
}
}
BASIC_BENCHMARK_TEST(BM_spin_pause_during);
BASIC_BENCHMARK_TEST(BM_spin_pause_during)->ThreadPerCpu();
void BM_pause_during(benchmark::State& state) {
while (state.KeepRunning()) {
state.PauseTiming();
state.ResumeTiming();
}
}
BENCHMARK(BM_pause_during);
BENCHMARK(BM_pause_during)->ThreadPerCpu();
BENCHMARK(BM_pause_during)->UseRealTime();
BENCHMARK(BM_pause_during)->UseRealTime()->ThreadPerCpu();
void BM_spin_pause_after(benchmark::State& state) {
while (state.KeepRunning()) {
for (int i = 0; i < state.range(0); ++i) {
benchmark::DoNotOptimize(i);
}
}
for (int i = 0; i < state.range(0); ++i) {
benchmark::DoNotOptimize(i);
}
}
BASIC_BENCHMARK_TEST(BM_spin_pause_after);
BASIC_BENCHMARK_TEST(BM_spin_pause_after)->ThreadPerCpu();
void BM_spin_pause_before_and_after(benchmark::State& state) {
for (int i = 0; i < state.range(0); ++i) {
benchmark::DoNotOptimize(i);
}
while (state.KeepRunning()) {
for (int i = 0; i < state.range(0); ++i) {
benchmark::DoNotOptimize(i);
}
}
for (int i = 0; i < state.range(0); ++i) {
benchmark::DoNotOptimize(i);
}
}
BASIC_BENCHMARK_TEST(BM_spin_pause_before_and_after);
BASIC_BENCHMARK_TEST(BM_spin_pause_before_and_after)->ThreadPerCpu();
void BM_empty_stop_start(benchmark::State& state) {
while (state.KeepRunning()) {
}
}
BENCHMARK(BM_empty_stop_start);
BENCHMARK(BM_empty_stop_start)->ThreadPerCpu();
BENCHMARK_MAIN()

241
benchmark-v1.1.0/test/benchmark_test.cc
View File

@@ -1,241 +0,0 @@
#include "benchmark/benchmark.h"
#include <assert.h>
#include <math.h>
#include <stdint.h>
#include <chrono>
#include <cstdlib>
#include <iostream>
#include <limits>
#include <list>
#include <map>
#include <mutex>
#include <set>
#include <sstream>
#include <string>
#include <thread>
#include <utility>
#include <vector>
#if defined(__GNUC__)
#define BENCHMARK_NOINLINE __attribute__((noinline))
#else
#define BENCHMARK_NOINLINE
#endif
namespace {
int BENCHMARK_NOINLINE Factorial(uint32_t n) {
return (n == 1) ? 1 : n * Factorial(n - 1);
}
double CalculatePi(int depth) {
double pi = 0.0;
for (int i = 0; i < depth; ++i) {
double numerator = static_cast<double>(((i % 2) * 2) - 1);
double denominator = static_cast<double>((2 * i) - 1);
pi += numerator / denominator;
}
return (pi - 1.0) * 4;
}
std::set<int> ConstructRandomSet(int size) {
std::set<int> s;
for (int i = 0; i < size; ++i) s.insert(i);
return s;
}
std::mutex test_vector_mu;
std::vector<int>* test_vector = nullptr;
} // end namespace
static void BM_Factorial(benchmark::State& state) {
int fac_42 = 0;
while (state.KeepRunning()) fac_42 = Factorial(8);
// Prevent compiler optimizations
std::stringstream ss;
ss << fac_42;
state.SetLabel(ss.str());
}
BENCHMARK(BM_Factorial);
BENCHMARK(BM_Factorial)->UseRealTime();
static void BM_CalculatePiRange(benchmark::State& state) {
double pi = 0.0;
while (state.KeepRunning()) pi = CalculatePi(state.range(0));
std::stringstream ss;
ss << pi;
state.SetLabel(ss.str());
}
BENCHMARK_RANGE(BM_CalculatePiRange, 1, 1024 * 1024);
static void BM_CalculatePi(benchmark::State& state) {
static const int depth = 1024;
while (state.KeepRunning()) {
benchmark::DoNotOptimize(CalculatePi(depth));
}
}
BENCHMARK(BM_CalculatePi)->Threads(8);
BENCHMARK(BM_CalculatePi)->ThreadRange(1, 32);
BENCHMARK(BM_CalculatePi)->ThreadPerCpu();
static void BM_SetInsert(benchmark::State& state) {
while (state.KeepRunning()) {
state.PauseTiming();
std::set<int> data = ConstructRandomSet(state.range(0));
state.ResumeTiming();
for (int j = 0; j < state.range(1); ++j) data.insert(rand());
}
state.SetItemsProcessed(state.iterations() * state.range(1));
state.SetBytesProcessed(state.iterations() * state.range(1) * sizeof(int));
}
BENCHMARK(BM_SetInsert)->Ranges({{1 << 10, 8 << 10}, {1, 10}});
template <typename Container,
typename ValueType = typename Container::value_type>
static void BM_Sequential(benchmark::State& state) {
ValueType v = 42;
while (state.KeepRunning()) {
Container c;
for (int i = state.range(0); --i;) c.push_back(v);
}
const size_t items_processed = state.iterations() * state.range(0);
state.SetItemsProcessed(items_processed);
state.SetBytesProcessed(items_processed * sizeof(v));
}
BENCHMARK_TEMPLATE2(BM_Sequential, std::vector<int>, int)
->Range(1 << 0, 1 << 10);
BENCHMARK_TEMPLATE(BM_Sequential, std::list<int>)->Range(1 << 0, 1 << 10);
// Test the variadic version of BENCHMARK_TEMPLATE in C++11 and beyond.
#if __cplusplus >= 201103L
BENCHMARK_TEMPLATE(BM_Sequential, std::vector<int>, int)->Arg(512);
#endif
static void BM_StringCompare(benchmark::State& state) {
std::string s1(state.range(0), '-');
std::string s2(state.range(0), '-');
while (state.KeepRunning()) benchmark::DoNotOptimize(s1.compare(s2));
}
BENCHMARK(BM_StringCompare)->Range(1, 1 << 20);
static void BM_SetupTeardown(benchmark::State& state) {
if (state.thread_index == 0) {
// No need to lock test_vector_mu here as this is running single-threaded.
test_vector = new std::vector<int>();
}
int i = 0;
while (state.KeepRunning()) {
std::lock_guard<std::mutex> l(test_vector_mu);
if (i % 2 == 0)
test_vector->push_back(i);
else
test_vector->pop_back();
++i;
}
if (state.thread_index == 0) {
delete test_vector;
}
}
BENCHMARK(BM_SetupTeardown)->ThreadPerCpu();
static void BM_LongTest(benchmark::State& state) {
double tracker = 0.0;
while (state.KeepRunning()) {
for (int i = 0; i < state.range(0); ++i)
benchmark::DoNotOptimize(tracker += i);
}
}
BENCHMARK(BM_LongTest)->Range(1 << 16, 1 << 28);
static void BM_ParallelMemset(benchmark::State& state) {
int size = state.range(0) / sizeof(int);
int thread_size = size / state.threads;
int from = thread_size * state.thread_index;
int to = from + thread_size;
if (state.thread_index == 0) {
test_vector = new std::vector<int>(size);
}
while (state.KeepRunning()) {
for (int i = from; i < to; i++) {
// No need to lock test_vector_mu as ranges
// do not overlap between threads.
benchmark::DoNotOptimize(test_vector->at(i) = 1);
}
}
if (state.thread_index == 0) {
delete test_vector;
}
}
BENCHMARK(BM_ParallelMemset)->Arg(10 << 20)->ThreadRange(1, 4);
static void BM_ManualTiming(benchmark::State& state) {
size_t slept_for = 0;
int microseconds = state.range(0);
std::chrono::duration<double, std::micro> sleep_duration{
static_cast<double>(microseconds)};
while (state.KeepRunning()) {
auto start = std::chrono::high_resolution_clock::now();
// Simulate some useful workload with a sleep
std::this_thread::sleep_for(
std::chrono::duration_cast<std::chrono::nanoseconds>(sleep_duration));
auto end = std::chrono::high_resolution_clock::now();
auto elapsed =
std::chrono::duration_cast<std::chrono::duration<double>>(end - start);
state.SetIterationTime(elapsed.count());
slept_for += microseconds;
}
state.SetItemsProcessed(slept_for);
}
BENCHMARK(BM_ManualTiming)->Range(1, 1 << 14)->UseRealTime();
BENCHMARK(BM_ManualTiming)->Range(1, 1 << 14)->UseManualTime();
#if __cplusplus >= 201103L
template <class... Args>
void BM_with_args(benchmark::State& state, Args&&...) {
while (state.KeepRunning()) {
}
}
BENCHMARK_CAPTURE(BM_with_args, int_test, 42, 43, 44);
BENCHMARK_CAPTURE(BM_with_args, string_and_pair_test, std::string("abc"),
std::pair<int, double>(42, 3.8));
void BM_non_template_args(benchmark::State& state, int, double) {
while (state.KeepRunning()) {
}
}
BENCHMARK_CAPTURE(BM_non_template_args, basic_test, 0, 0);
#endif // __cplusplus >= 201103L
static void BM_DenseThreadRanges(benchmark::State& st) {
switch (st.range(0)) {
case 1:
assert(st.threads == 1 || st.threads == 2 || st.threads == 3);
break;
case 2:
assert(st.threads == 1 || st.threads == 3 || st.threads == 4);
break;
case 3:
assert(st.threads == 5 || st.threads == 8 || st.threads == 11 ||
st.threads == 14);
break;
default:
assert(false && "Invalid test case number");
}
while (st.KeepRunning()) {
}
}
BENCHMARK(BM_DenseThreadRanges)->Arg(1)->DenseThreadRange(1, 3);
BENCHMARK(BM_DenseThreadRanges)->Arg(2)->DenseThreadRange(1, 4, 2);
BENCHMARK(BM_DenseThreadRanges)->Arg(3)->DenseThreadRange(5, 14, 3);
BENCHMARK_MAIN()

167
benchmark-v1.1.0/test/complexity_test.cc
View File

@@ -1,167 +0,0 @@
#undef NDEBUG
#include <algorithm>
#include <cassert>
#include <cmath>
#include <cstdlib>
#include <vector>
#include "benchmark/benchmark.h"
#include "output_test.h"
namespace {
#define ADD_COMPLEXITY_CASES(...) \
int CONCAT(dummy, __LINE__) = AddComplexityTest(__VA_ARGS__)
int AddComplexityTest(std::string big_o_test_name, std::string rms_test_name,
std::string big_o) {
SetSubstitutions({{"%bigo_name", big_o_test_name},
{"%rms_name", rms_test_name},
{"%bigo_str", "[ ]* %float " + big_o},
{"%bigo", big_o},
{"%rms", "[ ]*[0-9]+ %"}});
AddCases(
TC_ConsoleOut,
{{"^%bigo_name %bigo_str %bigo_str[ ]*$"},
{"^%bigo_name", MR_Not}, // Assert we we didn't only matched a name.
{"^%rms_name %rms %rms[ ]*$", MR_Next}});
AddCases(TC_JSONOut, {{"\"name\": \"%bigo_name\",$"},
{"\"cpu_coefficient\": [0-9]+,$", MR_Next},
{"\"real_coefficient\": [0-9]{1,5},$", MR_Next},
{"\"big_o\": \"%bigo\",$", MR_Next},
{"\"time_unit\": \"ns\"$", MR_Next},
{"}", MR_Next},
{"\"name\": \"%rms_name\",$"},
{"\"rms\": %float$", MR_Next},
{"}", MR_Next}});
AddCases(TC_CSVOut, {{"^\"%bigo_name\",,%float,%float,%bigo,,,,,$"},
{"^\"%bigo_name\"", MR_Not},
{"^\"%rms_name\",,%float,%float,,,,,,$", MR_Next}});
return 0;
}
} // end namespace
// ========================================================================= //
// --------------------------- Testing BigO O(1) --------------------------- //
// ========================================================================= //
void BM_Complexity_O1(benchmark::State& state) {
while (state.KeepRunning()) {
for (int i = 0; i < 1024; ++i) {
benchmark::DoNotOptimize(&i);
}
}
state.SetComplexityN(state.range(0));
}
BENCHMARK(BM_Complexity_O1)->Range(1, 1 << 18)->Complexity(benchmark::o1);
BENCHMARK(BM_Complexity_O1)->Range(1, 1 << 18)->Complexity();
BENCHMARK(BM_Complexity_O1)->Range(1, 1 << 18)->Complexity([](int) {
return 1.0;
});
const char *big_o_1_test_name = "BM_Complexity_O1_BigO";
const char *rms_o_1_test_name = "BM_Complexity_O1_RMS";
const char *enum_big_o_1 = "\\([0-9]+\\)";
// FIXME: Tolerate both '(1)' and 'lgN' as output when the complexity is auto
// deduced.
// See https://github.com/google/benchmark/issues/272
const char *auto_big_o_1 = "(\\([0-9]+\\))|(lgN)";
const char *lambda_big_o_1 = "f\\(N\\)";
// Add enum tests
ADD_COMPLEXITY_CASES(big_o_1_test_name, rms_o_1_test_name, enum_big_o_1);
// Add auto enum tests
ADD_COMPLEXITY_CASES(big_o_1_test_name, rms_o_1_test_name, auto_big_o_1);
// Add lambda tests
ADD_COMPLEXITY_CASES(big_o_1_test_name, rms_o_1_test_name, lambda_big_o_1);
// ========================================================================= //
// --------------------------- Testing BigO O(N) --------------------------- //
// ========================================================================= //
std::vector<int> ConstructRandomVector(int size) {
std::vector<int> v;
v.reserve(size);
for (int i = 0; i < size; ++i) {
v.push_back(std::rand() % size);
}
return v;
}
void BM_Complexity_O_N(benchmark::State& state) {
auto v = ConstructRandomVector(state.range(0));
const int item_not_in_vector =
state.range(0) * 2; // Test worst case scenario (item not in vector)
while (state.KeepRunning()) {
benchmark::DoNotOptimize(std::find(v.begin(), v.end(), item_not_in_vector));
}
state.SetComplexityN(state.range(0));
}
BENCHMARK(BM_Complexity_O_N)
->RangeMultiplier(2)
->Range(1 << 10, 1 << 16)
->Complexity(benchmark::oN);
BENCHMARK(BM_Complexity_O_N)
->RangeMultiplier(2)
->Range(1 << 10, 1 << 16)
->Complexity([](int n) -> double { return n; });
BENCHMARK(BM_Complexity_O_N)
->RangeMultiplier(2)
->Range(1 << 10, 1 << 16)
->Complexity();
const char *big_o_n_test_name = "BM_Complexity_O_N_BigO";
const char *rms_o_n_test_name = "BM_Complexity_O_N_RMS";
const char *enum_auto_big_o_n = "N";
const char *lambda_big_o_n = "f\\(N\\)";
// Add enum tests
ADD_COMPLEXITY_CASES(big_o_n_test_name, rms_o_n_test_name, enum_auto_big_o_n);
// Add lambda tests
ADD_COMPLEXITY_CASES(big_o_n_test_name, rms_o_n_test_name, lambda_big_o_n);
// ========================================================================= //
// ------------------------- Testing BigO O(N*lgN) ------------------------- //
// ========================================================================= //
static void BM_Complexity_O_N_log_N(benchmark::State& state) {
auto v = ConstructRandomVector(state.range(0));
while (state.KeepRunning()) {
std::sort(v.begin(), v.end());
}
state.SetComplexityN(state.range(0));
}
BENCHMARK(BM_Complexity_O_N_log_N)
->RangeMultiplier(2)
->Range(1 << 10, 1 << 16)
->Complexity(benchmark::oNLogN);
BENCHMARK(BM_Complexity_O_N_log_N)
->RangeMultiplier(2)
->Range(1 << 10, 1 << 16)
->Complexity([](int n) { return n * std::log2(n); });
BENCHMARK(BM_Complexity_O_N_log_N)
->RangeMultiplier(2)
->Range(1 << 10, 1 << 16)
->Complexity();
const char *big_o_n_lg_n_test_name = "BM_Complexity_O_N_log_N_BigO";
const char *rms_o_n_lg_n_test_name = "BM_Complexity_O_N_log_N_RMS";
const char *enum_auto_big_o_n_lg_n = "NlgN";
const char *lambda_big_o_n_lg_n = "f\\(N\\)";
// Add enum tests
ADD_COMPLEXITY_CASES(big_o_n_lg_n_test_name, rms_o_n_lg_n_test_name,
enum_auto_big_o_n_lg_n);
// Add lambda tests
ADD_COMPLEXITY_CASES(big_o_n_lg_n_test_name, rms_o_n_lg_n_test_name,
lambda_big_o_n_lg_n);
// ========================================================================= //
// --------------------------- TEST CASES END ------------------------------ //
// ========================================================================= //
int main(int argc, char *argv[]) { RunOutputTests(argc, argv); }

42
benchmark-v1.1.0/test/cxx03_test.cc
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@@ -1,42 +0,0 @@
#undef NDEBUG
#include <cassert>
#include <cstddef>
#include "benchmark/benchmark.h"
#if __cplusplus >= 201103L
#error C++11 or greater detected. Should be C++03.
#endif
void BM_empty(benchmark::State& state) {
while (state.KeepRunning()) {
volatile std::size_t x = state.iterations();
((void)x);
}
}
BENCHMARK(BM_empty);
// The new C++11 interface for args/ranges requires initializer list support.
// Therefore we provide the old interface to support C++03.
void BM_old_arg_range_interface(benchmark::State& state) {
assert((state.range(0) == 1 && state.range(1) == 2) ||
(state.range(0) == 5 && state.range(1) == 6));
while (state.KeepRunning()) {
}
}
BENCHMARK(BM_old_arg_range_interface)->ArgPair(1, 2)->RangePair(5, 5, 6, 6);
template <class T, class U>
void BM_template2(benchmark::State& state) {
BM_empty(state);
}
BENCHMARK_TEMPLATE2(BM_template2, int, long);
template <class T>
void BM_template1(benchmark::State& state) {
BM_empty(state);
}
BENCHMARK_TEMPLATE(BM_template1, long);
BENCHMARK_TEMPLATE1(BM_template1, int);
BENCHMARK_MAIN()

64
benchmark-v1.1.0/test/diagnostics_test.cc
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@@ -1,64 +0,0 @@
// Testing:
// State::PauseTiming()
// State::ResumeTiming()
// Test that CHECK's within these function diagnose when they are called
// outside of the KeepRunning() loop.
//
// NOTE: Users should NOT include or use src/check.h. This is only done in
// order to test library internals.
#include <cstdlib>
#include <stdexcept>
#include "../src/check.h"
#include "benchmark/benchmark_api.h"
#if defined(__GNUC__) && !defined(__EXCEPTIONS)
#define TEST_HAS_NO_EXCEPTIONS
#endif
void TestHandler() {
#ifndef TEST_HAS_NO_EXCEPTIONS
throw std::logic_error("");
#else
std::abort();
#endif
}
void try_invalid_pause_resume(benchmark::State& state) {
#if !defined(NDEBUG) && !defined(TEST_HAS_NO_EXCEPTIONS)
try {
state.PauseTiming();
std::abort();
} catch (std::logic_error const&) {
}
try {
state.ResumeTiming();
std::abort();
} catch (std::logic_error const&) {
}
#else
(void)state; // avoid unused warning
#endif
}
void BM_diagnostic_test(benchmark::State& state) {
static bool called_once = false;
if (called_once == false) try_invalid_pause_resume(state);
while (state.KeepRunning()) {
benchmark::DoNotOptimize(state.iterations());
}
if (called_once == false) try_invalid_pause_resume(state);
called_once = true;
}
BENCHMARK(BM_diagnostic_test);
int main(int argc, char* argv[]) {
benchmark::internal::GetAbortHandler() = &TestHandler;
benchmark::Initialize(&argc, argv);
benchmark::RunSpecifiedBenchmarks();
}

33
benchmark-v1.1.0/test/donotoptimize_test.cc
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@@ -1,33 +0,0 @@
#include "benchmark/benchmark.h"
#include <cstdint>
namespace {
#if defined(__GNUC__)
std::uint64_t double_up(const std::uint64_t x) __attribute__((const));
#endif
std::uint64_t double_up(const std::uint64_t x) { return x * 2; }
}
int main(int, char*[]) {
// this test verifies compilation of DoNotOptimize() for some types
char buffer8[8];
benchmark::DoNotOptimize(buffer8);
char buffer20[20];
benchmark::DoNotOptimize(buffer20);
char buffer1024[1024];
benchmark::DoNotOptimize(buffer1024);
benchmark::DoNotOptimize(&buffer1024[0]);
int x = 123;
benchmark::DoNotOptimize(x);
benchmark::DoNotOptimize(&x);
benchmark::DoNotOptimize(x += 42);
benchmark::DoNotOptimize(double_up(x));
return 0;
}

104
benchmark-v1.1.0/test/filter_test.cc
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@@ -1,104 +0,0 @@
#include "benchmark/benchmark.h"
#include <cassert>
#include <cmath>
#include <cstdint>
#include <cstdlib>
#include <iostream>
#include <limits>
#include <sstream>
#include <string>
namespace {
class TestReporter : public benchmark::ConsoleReporter {
public:
virtual bool ReportContext(const Context& context) {
return ConsoleReporter::ReportContext(context);
};
virtual void ReportRuns(const std::vector<Run>& report) {
++count_;
ConsoleReporter::ReportRuns(report);
};
TestReporter() : count_(0) {}
virtual ~TestReporter() {}
size_t GetCount() const { return count_; }
private:
mutable size_t count_;
};
} // end namespace
static void NoPrefix(benchmark::State& state) {
while (state.KeepRunning()) {
}
}
BENCHMARK(NoPrefix);
static void BM_Foo(benchmark::State& state) {
while (state.KeepRunning()) {
}
}
BENCHMARK(BM_Foo);
static void BM_Bar(benchmark::State& state) {
while (state.KeepRunning()) {
}
}
BENCHMARK(BM_Bar);
static void BM_FooBar(benchmark::State& state) {
while (state.KeepRunning()) {
}
}
BENCHMARK(BM_FooBar);
static void BM_FooBa(benchmark::State& state) {
while (state.KeepRunning()) {
}
}
BENCHMARK(BM_FooBa);
int main(int argc, char **argv) {
bool list_only = false;
for (int i = 0; i < argc; ++i)
list_only |= std::string(argv[i]).find("--benchmark_list_tests") !=
std::string::npos;
benchmark::Initialize(&argc, argv);
TestReporter test_reporter;
const size_t returned_count =
benchmark::RunSpecifiedBenchmarks(&test_reporter);
if (argc == 2) {
// Make sure we ran all of the tests
std::stringstream ss(argv[1]);
size_t expected_return;
ss >> expected_return;
if (returned_count != expected_return) {
std::cerr << "ERROR: Expected " << expected_return
<< " tests to match the filter but returned_count = "
<< returned_count << std::endl;
return -1;
}
const size_t expected_reports = list_only ? 0 : expected_return;
const size_t reports_count = test_reporter.GetCount();
if (reports_count != expected_reports) {
std::cerr << "ERROR: Expected " << expected_reports
<< " tests to be run but reported_count = " << reports_count
<< std::endl;
return -1;
}
}
return 0;
}

49
benchmark-v1.1.0/test/fixture_test.cc
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@@ -1,49 +0,0 @@
#include "benchmark/benchmark.h"
#include <cassert>
#include <memory>
class MyFixture : public ::benchmark::Fixture {
public:
void SetUp(const ::benchmark::State& state) {
if (state.thread_index == 0) {
assert(data.get() == nullptr);
data.reset(new int(42));
}
}
void TearDown(const ::benchmark::State& state) {
if (state.thread_index == 0) {
assert(data.get() != nullptr);
data.reset();
}
}
~MyFixture() { assert(data == nullptr); }
std::unique_ptr<int> data;
};
BENCHMARK_F(MyFixture, Foo)(benchmark::State &st) {
assert(data.get() != nullptr);
assert(*data == 42);
while (st.KeepRunning()) {
}
}
BENCHMARK_DEFINE_F(MyFixture, Bar)(benchmark::State& st) {
if (st.thread_index == 0) {
assert(data.get() != nullptr);
assert(*data == 42);
}
while (st.KeepRunning()) {
assert(data.get() != nullptr);
assert(*data == 42);
}
st.SetItemsProcessed(st.range(0));
}
BENCHMARK_REGISTER_F(MyFixture, Bar)->Arg(42);
BENCHMARK_REGISTER_F(MyFixture, Bar)->Arg(42)->ThreadPerCpu();
BENCHMARK_MAIN()

56
benchmark-v1.1.0/test/map_test.cc
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@@ -1,56 +0,0 @@
#include "benchmark/benchmark.h"
#include <cstdlib>
#include <map>
namespace {
std::map<int, int> ConstructRandomMap(int size) {
std::map<int, int> m;
for (int i = 0; i < size; ++i) {
m.insert(std::make_pair(rand() % size, rand() % size));
}
return m;
}
} // namespace
// Basic version.
static void BM_MapLookup(benchmark::State& state) {
const int size = state.range(0);
while (state.KeepRunning()) {
state.PauseTiming();
std::map<int, int> m = ConstructRandomMap(size);
state.ResumeTiming();
for (int i = 0; i < size; ++i) {
benchmark::DoNotOptimize(m.find(rand() % size));
}
}
state.SetItemsProcessed(state.iterations() * size);
}
BENCHMARK(BM_MapLookup)->Range(1 << 3, 1 << 12);
// Using fixtures.
class MapFixture : public ::benchmark::Fixture {
public:
void SetUp(const ::benchmark::State& st) {
m = ConstructRandomMap(st.range(0));
}
void TearDown(const ::benchmark::State&) { m.clear(); }
std::map<int, int> m;
};
BENCHMARK_DEFINE_F(MapFixture, Lookup)(benchmark::State& state) {
const int size = state.range(0);
while (state.KeepRunning()) {
for (int i = 0; i < size; ++i) {
benchmark::DoNotOptimize(m.find(rand() % size));
}
}
state.SetItemsProcessed(state.iterations() * size);
}
BENCHMARK_REGISTER_F(MapFixture, Lookup)->Range(1 << 3, 1 << 12);
BENCHMARK_MAIN()

74
benchmark-v1.1.0/test/multiple_ranges_test.cc
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@@ -1,74 +0,0 @@
#include "benchmark/benchmark.h"
#include <cassert>
#include <set>
class MultipleRangesFixture : public ::benchmark::Fixture {
public:
MultipleRangesFixture()
: expectedValues({{1, 3, 5},
{1, 3, 8},
{1, 3, 15},
{2, 3, 5},
{2, 3, 8},
{2, 3, 15},
{1, 4, 5},
{1, 4, 8},
{1, 4, 15},
{2, 4, 5},
{2, 4, 8},
{2, 4, 15},
{1, 7, 5},
{1, 7, 8},
{1, 7, 15},
{2, 7, 5},
{2, 7, 8},
{2, 7, 15},
{7, 6, 3}}) {}
void SetUp(const ::benchmark::State& state) {
std::vector<int> ranges = {state.range(0), state.range(1), state.range(2)};
assert(expectedValues.find(ranges) != expectedValues.end());
actualValues.insert(ranges);
}
virtual ~MultipleRangesFixture() {
assert(actualValues.size() == expectedValues.size());
}
std::set<std::vector<int>> expectedValues;
std::set<std::vector<int>> actualValues;
};
BENCHMARK_DEFINE_F(MultipleRangesFixture, Empty)(benchmark::State& state) {
while (state.KeepRunning()) {
int product = state.range(0) * state.range(1) * state.range(2);
for (int x = 0; x < product; x++) {
benchmark::DoNotOptimize(x);
}
}
}
BENCHMARK_REGISTER_F(MultipleRangesFixture, Empty)
->RangeMultiplier(2)
->Ranges({{1, 2}, {3, 7}, {5, 15}})
->Args({7, 6, 3});
void BM_CheckDefaultArgument(benchmark::State& state) {
// Test that the 'range()' without an argument is the same as 'range(0)'.
assert(state.range() == state.range(0));
assert(state.range() != state.range(1));
while (state.KeepRunning()) {
}
}
BENCHMARK(BM_CheckDefaultArgument)->Ranges({{1, 5}, {6, 10}});
static void BM_MultipleRanges(benchmark::State& st) {
while (st.KeepRunning()) {
}
}
BENCHMARK(BM_MultipleRanges)->Ranges({{5, 5}, {6, 6}});
BENCHMARK_MAIN()

43
benchmark-v1.1.0/test/options_test.cc
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@@ -1,43 +0,0 @@
#include "benchmark/benchmark_api.h"
#include <chrono>
#include <thread>
void BM_basic(benchmark::State& state) {
while (state.KeepRunning()) {
}
}
void BM_basic_slow(benchmark::State& state) {
std::chrono::milliseconds sleep_duration(state.range(0));
while (state.KeepRunning()) {
std::this_thread::sleep_for(
std::chrono::duration_cast<std::chrono::nanoseconds>(sleep_duration));
}
}
BENCHMARK(BM_basic);
BENCHMARK(BM_basic)->Arg(42);
BENCHMARK(BM_basic_slow)->Arg(10)->Unit(benchmark::kNanosecond);
BENCHMARK(BM_basic_slow)->Arg(100)->Unit(benchmark::kMicrosecond);
BENCHMARK(BM_basic_slow)->Arg(1000)->Unit(benchmark::kMillisecond);
BENCHMARK(BM_basic)->Range(1, 8);
BENCHMARK(BM_basic)->RangeMultiplier(2)->Range(1, 8);
BENCHMARK(BM_basic)->DenseRange(10, 15);
BENCHMARK(BM_basic)->Args({42, 42});
BENCHMARK(BM_basic)->Ranges({{64, 512}, {64, 512}});
BENCHMARK(BM_basic)->MinTime(0.7);
BENCHMARK(BM_basic)->UseRealTime();
BENCHMARK(BM_basic)->ThreadRange(2, 4);
BENCHMARK(BM_basic)->ThreadPerCpu();
BENCHMARK(BM_basic)->Repetitions(3);
void CustomArgs(benchmark::internal::Benchmark* b) {
for (int i = 0; i < 10; ++i) {
b->Arg(i);
}
}
BENCHMARK(BM_basic)->Apply(CustomArgs);
BENCHMARK_MAIN()

71
benchmark-v1.1.0/test/output_test.h
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@@ -1,71 +0,0 @@
#ifndef TEST_OUTPUT_TEST_H
#define TEST_OUTPUT_TEST_H
#undef NDEBUG
#include <initializer_list>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "../src/re.h"
#include "benchmark/benchmark.h"
#define CONCAT2(x, y) x##y
#define CONCAT(x, y) CONCAT2(x, y)
#define ADD_CASES(...) int CONCAT(dummy, __LINE__) = ::AddCases(__VA_ARGS__)
#define SET_SUBSTITUTIONS(...) \
int CONCAT(dummy, __LINE__) = ::SetSubstitutions(__VA_ARGS__)
enum MatchRules {
MR_Default, // Skip non-matching lines until a match is found.
MR_Next, // Match must occur on the next line.
MR_Not // No line between the current position and the next match matches
// the regex
};
struct TestCase {
TestCase(std::string re, int rule = MR_Default);
std::string regex_str;
int match_rule;
std::string substituted_regex;
std::shared_ptr<benchmark::Regex> regex;
};
enum TestCaseID {
TC_ConsoleOut,
TC_ConsoleErr,
TC_JSONOut,
TC_JSONErr,
TC_CSVOut,
TC_CSVErr,
TC_NumID // PRIVATE
};
// Add a list of test cases to be run against the output specified by
// 'ID'
int AddCases(TestCaseID ID, std::initializer_list<TestCase> il);
// Add or set a list of substitutions to be performed on constructed regex's
// See 'output_test_helper.cc' for a list of default substitutions.
int SetSubstitutions(
std::initializer_list<std::pair<std::string, std::string>> il);
// Run all output tests.
void RunOutputTests(int argc, char* argv[]);
// ========================================================================= //
// --------------------------- Misc Utilities ------------------------------ //
// ========================================================================= //
namespace {
const char* const dec_re = "[0-9]*[.]?[0-9]+([eE][-+][0-9]+)?";
} // end namespace
#endif // TEST_OUTPUT_TEST_H

234
benchmark-v1.1.0/test/output_test_helper.cc
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@@ -1,234 +0,0 @@
#include <iostream>
#include <map>
#include <memory>
#include <sstream>
#include "../src/check.h" // NOTE: check.h is for internal use only!
#include "../src/re.h" // NOTE: re.h is for internal use only
#include "output_test.h"
// ========================================================================= //
// ------------------------------ Internals -------------------------------- //
// ========================================================================= //
namespace internal {
namespace {
using TestCaseList = std::vector<TestCase>;
// Use a vector because the order elements are added matters during iteration.
// std::map/unordered_map don't guarantee that.
// For example:
// SetSubstitutions({{"%HelloWorld", "Hello"}, {"%Hello", "Hi"}});
// Substitute("%HelloWorld") // Always expands to Hello.
using SubMap = std::vector<std::pair<std::string, std::string>>;
TestCaseList& GetTestCaseList(TestCaseID ID) {
// Uses function-local statics to ensure initialization occurs
// before first use.
static TestCaseList lists[TC_NumID];
return lists[ID];
}
SubMap& GetSubstitutions() {
// Don't use 'dec_re' from header because it may not yet be initialized.
static std::string dec_re = "[0-9]*[.]?[0-9]+([eE][-+][0-9]+)?";
static SubMap map = {
{"%float", "[0-9]*[.]?[0-9]+([eE][-+][0-9]+)?"},
{"%int", "[ ]*[0-9]+"},
{" %s ", "[ ]+"},
{"%time", "[ ]*[0-9]{1,5} ns"},
{"%console_report", "[ ]*[0-9]{1,5} ns [ ]*[0-9]{1,5} ns [ ]*[0-9]+"},
{"%console_us_report", "[ ]*[0-9] us [ ]*[0-9] us [ ]*[0-9]+"},
{"%csv_report", "[0-9]+," + dec_re + "," + dec_re + ",ns,,,,,"},
{"%csv_us_report", "[0-9]+," + dec_re + "," + dec_re + ",us,,,,,"},
{"%csv_bytes_report",
"[0-9]+," + dec_re + "," + dec_re + ",ns," + dec_re + ",,,,"},
{"%csv_items_report",
"[0-9]+," + dec_re + "," + dec_re + ",ns,," + dec_re + ",,,"},
{"%csv_label_report_begin", "[0-9]+," + dec_re + "," + dec_re + ",ns,,,"},
{"%csv_label_report_end", ",,"}};
return map;
}
std::string PerformSubstitutions(std::string source) {
SubMap const& subs = GetSubstitutions();
using SizeT = std::string::size_type;
for (auto const& KV : subs) {
SizeT pos;
SizeT next_start = 0;
while ((pos = source.find(KV.first, next_start)) != std::string::npos) {
next_start = pos + KV.second.size();
source.replace(pos, KV.first.size(), KV.second);
}
}
return source;
}
void CheckCase(std::stringstream& remaining_output, TestCase const& TC,
TestCaseList const& not_checks) {
std::string first_line;
bool on_first = true;
std::string line;
while (remaining_output.eof() == false) {
CHECK(remaining_output.good());
std::getline(remaining_output, line);
if (on_first) {
first_line = line;
on_first = false;
}
for (const auto& NC : not_checks) {
CHECK(!NC.regex->Match(line))
<< "Unexpected match for line \"" << line << "\" for MR_Not regex \""
<< NC.regex_str << "\""
<< "\n actual regex string \"" << TC.substituted_regex << "\""
<< "\n started matching near: " << first_line;
}
if (TC.regex->Match(line)) return;
CHECK(TC.match_rule != MR_Next)
<< "Expected line \"" << line << "\" to match regex \"" << TC.regex_str
<< "\""
<< "\n actual regex string \"" << TC.substituted_regex << "\""
<< "\n started matching near: " << first_line;
}
CHECK(remaining_output.eof() == false)
<< "End of output reached before match for regex \"" << TC.regex_str
<< "\" was found"
<< "\n actual regex string \"" << TC.substituted_regex << "\""
<< "\n started matching near: " << first_line;
}
void CheckCases(TestCaseList const& checks, std::stringstream& output) {
std::vector<TestCase> not_checks;
for (size_t i = 0; i < checks.size(); ++i) {
const auto& TC = checks[i];
if (TC.match_rule == MR_Not) {
not_checks.push_back(TC);
continue;
}
CheckCase(output, TC, not_checks);
not_checks.clear();
}
}
class TestReporter : public benchmark::BenchmarkReporter {
public:
TestReporter(std::vector<benchmark::BenchmarkReporter*> reps)
: reporters_(reps) {}
virtual bool ReportContext(const Context& context) {
bool last_ret = false;
bool first = true;
for (auto rep : reporters_) {
bool new_ret = rep->ReportContext(context);
CHECK(first || new_ret == last_ret)
<< "Reports return different values for ReportContext";
first = false;
last_ret = new_ret;
}
(void)first;
return last_ret;
}
void ReportRuns(const std::vector<Run>& report) {
for (auto rep : reporters_) rep->ReportRuns(report);
}
void Finalize() {
for (auto rep : reporters_) rep->Finalize();
}
private:
std::vector<benchmark::BenchmarkReporter *> reporters_;
};
}
} // end namespace internal
// ========================================================================= //
// -------------------------- Public API Definitions------------------------ //
// ========================================================================= //
TestCase::TestCase(std::string re, int rule)
: regex_str(std::move(re)),
match_rule(rule),
substituted_regex(internal::PerformSubstitutions(regex_str)),
regex(std::make_shared<benchmark::Regex>()) {
std::string err_str;
regex->Init(substituted_regex,& err_str);
CHECK(err_str.empty()) << "Could not construct regex \"" << substituted_regex
<< "\""
<< "\n originally \"" << regex_str << "\""
<< "\n got error: " << err_str;
}
int AddCases(TestCaseID ID, std::initializer_list<TestCase> il) {
auto& L = internal::GetTestCaseList(ID);
L.insert(L.end(), il);
return 0;
}
int SetSubstitutions(
std::initializer_list<std::pair<std::string, std::string>> il) {
auto& subs = internal::GetSubstitutions();
for (auto KV : il) {
bool exists = false;
KV.second = internal::PerformSubstitutions(KV.second);
for (auto& EKV : subs) {
if (EKV.first == KV.first) {
EKV.second = std::move(KV.second);
exists = true;
break;
}
}
if (!exists) subs.push_back(std::move(KV));
}
return 0;
}
void RunOutputTests(int argc, char* argv[]) {
using internal::GetTestCaseList;
benchmark::Initialize(&argc, argv);
benchmark::ConsoleReporter CR(benchmark::ConsoleReporter::OO_None);
benchmark::JSONReporter JR;
benchmark::CSVReporter CSVR;
struct ReporterTest {
const char* name;
std::vector<TestCase>& output_cases;
std::vector<TestCase>& error_cases;
benchmark::BenchmarkReporter& reporter;
std::stringstream out_stream;
std::stringstream err_stream;
ReporterTest(const char* n, std::vector<TestCase>& out_tc,
std::vector<TestCase>& err_tc,
benchmark::BenchmarkReporter& br)
: name(n), output_cases(out_tc), error_cases(err_tc), reporter(br) {
reporter.SetOutputStream(&out_stream);
reporter.SetErrorStream(&err_stream);
}
} TestCases[] = {
{"ConsoleReporter", GetTestCaseList(TC_ConsoleOut),
GetTestCaseList(TC_ConsoleErr), CR},
{"JSONReporter", GetTestCaseList(TC_JSONOut), GetTestCaseList(TC_JSONErr),
JR},
{"CSVReporter", GetTestCaseList(TC_CSVOut), GetTestCaseList(TC_CSVErr),
CSVR},
};
// Create the test reporter and run the benchmarks.
std::cout << "Running benchmarks...\n";
internal::TestReporter test_rep({&CR, &JR, &CSVR});
benchmark::RunSpecifiedBenchmarks(&test_rep);
for (auto& rep_test : TestCases) {
std::string msg = std::string("\nTesting ") + rep_test.name + " Output\n";
std::string banner(msg.size() - 1, '-');
std::cout << banner << msg << banner << "\n";
std::cerr << rep_test.err_stream.str();
std::cout << rep_test.out_stream.str();
internal::CheckCases(rep_test.error_cases, rep_test.err_stream);
internal::CheckCases(rep_test.output_cases, rep_test.out_stream);
std::cout << "\n";
}
}

148
benchmark-v1.1.0/test/register_benchmark_test.cc
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@@ -1,148 +0,0 @@
#undef NDEBUG
#include <cassert>
#include <vector>
#include "../src/check.h" // NOTE: check.h is for internal use only!
#include "benchmark/benchmark.h"
namespace {
class TestReporter : public benchmark::ConsoleReporter {
public:
virtual void ReportRuns(const std::vector<Run>& report) {
all_runs_.insert(all_runs_.end(), begin(report), end(report));
ConsoleReporter::ReportRuns(report);
}
std::vector<Run> all_runs_;
};
struct TestCase {
std::string name;
const char* label;
// Note: not explicit as we rely on it being converted through ADD_CASES.
TestCase(const char* xname) : TestCase(xname, nullptr) {}
TestCase(const char* xname, const char* xlabel)
: name(xname), label(xlabel) {}
typedef benchmark::BenchmarkReporter::Run Run;
void CheckRun(Run const& run) const {
CHECK(name == run.benchmark_name) << "expected " << name << " got "
<< run.benchmark_name;
if (label) {
CHECK(run.report_label == label) << "expected " << label << " got "
<< run.report_label;
} else {
CHECK(run.report_label == "");
}
}
};
std::vector<TestCase> ExpectedResults;
int AddCases(std::initializer_list<TestCase> const& v) {
for (auto N : v) {
ExpectedResults.push_back(N);
}
return 0;
}
#define CONCAT(x, y) CONCAT2(x, y)
#define CONCAT2(x, y) x##y
#define ADD_CASES(...) int CONCAT(dummy, __LINE__) = AddCases({__VA_ARGS__})
} // end namespace
typedef benchmark::internal::Benchmark* ReturnVal;
//----------------------------------------------------------------------------//
// Test RegisterBenchmark with no additional arguments
//----------------------------------------------------------------------------//
void BM_function(benchmark::State& state) {
while (state.KeepRunning()) {
}
}
BENCHMARK(BM_function);
ReturnVal dummy = benchmark::RegisterBenchmark(
"BM_function_manual_registration", BM_function);
ADD_CASES({"BM_function"}, {"BM_function_manual_registration"});
//----------------------------------------------------------------------------//
// Test RegisterBenchmark with additional arguments
// Note: GCC <= 4.8 do not support this form of RegisterBenchmark because they
// reject the variadic pack expansion of lambda captures.
//----------------------------------------------------------------------------//
#ifndef BENCHMARK_HAS_NO_VARIADIC_REGISTER_BENCHMARK
void BM_extra_args(benchmark::State& st, const char* label) {
while (st.KeepRunning()) {
}
st.SetLabel(label);
}
int RegisterFromFunction() {
std::pair<const char*, const char*> cases[] = {
{"test1", "One"}, {"test2", "Two"}, {"test3", "Three"}};
for (auto const& c : cases)
benchmark::RegisterBenchmark(c.first, &BM_extra_args, c.second);
return 0;
}
int dummy2 = RegisterFromFunction();
ADD_CASES({"test1", "One"}, {"test2", "Two"}, {"test3", "Three"});
#endif // BENCHMARK_HAS_NO_VARIADIC_REGISTER_BENCHMARK
//----------------------------------------------------------------------------//
// Test RegisterBenchmark with different callable types
//----------------------------------------------------------------------------//
struct CustomFixture {
void operator()(benchmark::State& st) {
while (st.KeepRunning()) {
}
}
};
void TestRegistrationAtRuntime() {
#ifdef BENCHMARK_HAS_CXX11
{
CustomFixture fx;
benchmark::RegisterBenchmark("custom_fixture", fx);
AddCases({"custom_fixture"});
}
#endif
#ifndef BENCHMARK_HAS_NO_VARIADIC_REGISTER_BENCHMARK
{
int x = 42;
auto capturing_lam = [=](benchmark::State& st) {
while (st.KeepRunning()) {
}
st.SetLabel(std::to_string(x));
};
benchmark::RegisterBenchmark("lambda_benchmark", capturing_lam);
AddCases({{"lambda_benchmark", "42"}});
}
#endif
}
int main(int argc, char* argv[]) {
TestRegistrationAtRuntime();
benchmark::Initialize(&argc, argv);
TestReporter test_reporter;
benchmark::RunSpecifiedBenchmarks(&test_reporter);
typedef benchmark::BenchmarkReporter::Run Run;
auto EB = ExpectedResults.begin();
for (Run const& run : test_reporter.all_runs_) {
assert(EB != ExpectedResults.end());
EB->CheckRun(run);
++EB;
}
assert(EB == ExpectedResults.end());
return 0;
}

256
benchmark-v1.1.0/test/reporter_output_test.cc
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@@ -1,256 +0,0 @@
#undef NDEBUG
#include <utility>
#include "benchmark/benchmark.h"
#include "output_test.h"
// ========================================================================= //
// ---------------------- Testing Prologue Output -------------------------- //
// ========================================================================= //
ADD_CASES(TC_ConsoleOut, {{"^Benchmark %s Time %s CPU %s Iterations$", MR_Next},
{"^[-]+$", MR_Next}});
ADD_CASES(TC_CSVOut,
{{"name,iterations,real_time,cpu_time,time_unit,bytes_per_second,"
"items_per_second,label,error_occurred,error_message"}});
// ========================================================================= //
// ------------------------ Testing Basic Output --------------------------- //
// ========================================================================= //
void BM_basic(benchmark::State& state) {
while (state.KeepRunning()) {
}
}
BENCHMARK(BM_basic);
ADD_CASES(TC_ConsoleOut, {{"^BM_basic %console_report$"}});
ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_basic\",$"},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %int,$", MR_Next},
{"\"cpu_time\": %int,$", MR_Next},
{"\"time_unit\": \"ns\"$", MR_Next},
{"}", MR_Next}});
ADD_CASES(TC_CSVOut, {{"^\"BM_basic\",%csv_report$"}});
// ========================================================================= //
// ------------------------ Testing Bytes per Second Output ---------------- //
// ========================================================================= //
void BM_bytes_per_second(benchmark::State& state) {
while (state.KeepRunning()) {
}
state.SetBytesProcessed(1);
}
BENCHMARK(BM_bytes_per_second);
ADD_CASES(TC_ConsoleOut,
{{"^BM_bytes_per_second %console_report +%floatB/s$"}});
ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_bytes_per_second\",$"},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %int,$", MR_Next},
{"\"cpu_time\": %int,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"bytes_per_second\": %int$", MR_Next},
{"}", MR_Next}});
ADD_CASES(TC_CSVOut, {{"^\"BM_bytes_per_second\",%csv_bytes_report$"}});
// ========================================================================= //
// ------------------------ Testing Items per Second Output ---------------- //
// ========================================================================= //
void BM_items_per_second(benchmark::State& state) {
while (state.KeepRunning()) {
}
state.SetItemsProcessed(1);
}
BENCHMARK(BM_items_per_second);
ADD_CASES(TC_ConsoleOut,
{{"^BM_items_per_second %console_report +%float items/s$"}});
ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_items_per_second\",$"},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %int,$", MR_Next},
{"\"cpu_time\": %int,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"items_per_second\": %int$", MR_Next},
{"}", MR_Next}});
ADD_CASES(TC_CSVOut, {{"^\"BM_items_per_second\",%csv_items_report$"}});
// ========================================================================= //
// ------------------------ Testing Label Output --------------------------- //
// ========================================================================= //
void BM_label(benchmark::State& state) {
while (state.KeepRunning()) {
}
state.SetLabel("some label");
}
BENCHMARK(BM_label);
ADD_CASES(TC_ConsoleOut, {{"^BM_label %console_report some label$"}});
ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_label\",$"},
{"\"iterations\": %int,$", MR_Next},
{"\"real_time\": %int,$", MR_Next},
{"\"cpu_time\": %int,$", MR_Next},
{"\"time_unit\": \"ns\",$", MR_Next},
{"\"label\": \"some label\"$", MR_Next},
{"}", MR_Next}});
ADD_CASES(TC_CSVOut, {{"^\"BM_label\",%csv_label_report_begin\"some "
"label\"%csv_label_report_end$"}});
// ========================================================================= //
// ------------------------ Testing Error Output --------------------------- //
// ========================================================================= //
void BM_error(benchmark::State& state) {
state.SkipWithError("message");
while (state.KeepRunning()) {
}
}
BENCHMARK(BM_error);
ADD_CASES(TC_ConsoleOut, {{"^BM_error[ ]+ERROR OCCURRED: 'message'$"}});
ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_error\",$"},
{"\"error_occurred\": true,$", MR_Next},
{"\"error_message\": \"message\",$", MR_Next}});
ADD_CASES(TC_CSVOut, {{"^\"BM_error\",,,,,,,,true,\"message\"$"}});
// ========================================================================= //
// ------------------------ Testing No Arg Name Output -----------------------
// //
// ========================================================================= //
void BM_no_arg_name(benchmark::State& state) {
while (state.KeepRunning()) {
}
}
BENCHMARK(BM_no_arg_name)->Arg(3);
ADD_CASES(TC_ConsoleOut, {{"^BM_no_arg_name/3 %console_report$"}});
ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_no_arg_name/3\",$"}});
ADD_CASES(TC_CSVOut, {{"^\"BM_no_arg_name/3\",%csv_report$"}});
// ========================================================================= //
// ------------------------ Testing Arg Name Output ----------------------- //
// ========================================================================= //
void BM_arg_name(benchmark::State& state) {
while (state.KeepRunning()) {
}
}
BENCHMARK(BM_arg_name)->ArgName("first")->Arg(3);
ADD_CASES(TC_ConsoleOut, {{"^BM_arg_name/first:3 %console_report$"}});
ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_arg_name/first:3\",$"}});
ADD_CASES(TC_CSVOut, {{"^\"BM_arg_name/first:3\",%csv_report$"}});
// ========================================================================= //
// ------------------------ Testing Arg Names Output ----------------------- //
// ========================================================================= //
void BM_arg_names(benchmark::State& state) {
while (state.KeepRunning()) {
}
}
BENCHMARK(BM_arg_names)->Args({2, 5, 4})->ArgNames({"first", "", "third"});
ADD_CASES(TC_ConsoleOut,
{{"^BM_arg_names/first:2/5/third:4 %console_report$"}});
ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_arg_names/first:2/5/third:4\",$"}});
ADD_CASES(TC_CSVOut, {{"^\"BM_arg_names/first:2/5/third:4\",%csv_report$"}});
// ========================================================================= //
// ----------------------- Testing Complexity Output ----------------------- //
// ========================================================================= //
void BM_Complexity_O1(benchmark::State& state) {
while (state.KeepRunning()) {
}
state.SetComplexityN(state.range(0));
}
BENCHMARK(BM_Complexity_O1)->Range(1, 1 << 18)->Complexity(benchmark::o1);
SET_SUBSTITUTIONS({{"%bigOStr", "[ ]* %float \\([0-9]+\\)"},
{"%RMS", "[ ]*[0-9]+ %"}});
ADD_CASES(TC_ConsoleOut, {{"^BM_Complexity_O1_BigO %bigOStr %bigOStr[ ]*$"},
{"^BM_Complexity_O1_RMS %RMS %RMS[ ]*$"}});
// ========================================================================= //
// ----------------------- Testing Aggregate Output ------------------------ //
// ========================================================================= //
// Test that non-aggregate data is printed by default
void BM_Repeat(benchmark::State& state) {
while (state.KeepRunning()) {
}
}
BENCHMARK(BM_Repeat)->Repetitions(3);
ADD_CASES(TC_ConsoleOut, {{"^BM_Repeat/repeats:3 %console_report$"},
{"^BM_Repeat/repeats:3 %console_report$"},
{"^BM_Repeat/repeats:3 %console_report$"},
{"^BM_Repeat/repeats:3_mean %console_report$"},
{"^BM_Repeat/repeats:3_stddev %console_report$"}});
ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_Repeat/repeats:3\",$"},
{"\"name\": \"BM_Repeat/repeats:3\",$"},
{"\"name\": \"BM_Repeat/repeats:3\",$"},
{"\"name\": \"BM_Repeat/repeats:3_mean\",$"},
{"\"name\": \"BM_Repeat/repeats:3_stddev\",$"}});
ADD_CASES(TC_CSVOut, {{"^\"BM_Repeat/repeats:3\",%csv_report$"},
{"^\"BM_Repeat/repeats:3\",%csv_report$"},
{"^\"BM_Repeat/repeats:3\",%csv_report$"},
{"^\"BM_Repeat/repeats:3_mean\",%csv_report$"},
{"^\"BM_Repeat/repeats:3_stddev\",%csv_report$"}});
// Test that a non-repeated test still prints non-aggregate results even when
// only-aggregate reports have been requested
void BM_RepeatOnce(benchmark::State& state) {
while (state.KeepRunning()) {
}
}
BENCHMARK(BM_RepeatOnce)->Repetitions(1)->ReportAggregatesOnly();
ADD_CASES(TC_ConsoleOut, {{"^BM_RepeatOnce/repeats:1 %console_report$"}});
ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_RepeatOnce/repeats:1\",$"}});
ADD_CASES(TC_CSVOut, {{"^\"BM_RepeatOnce/repeats:1\",%csv_report$"}});
// Test that non-aggregate data is not reported
void BM_SummaryRepeat(benchmark::State& state) {
while (state.KeepRunning()) {
}
}
BENCHMARK(BM_SummaryRepeat)->Repetitions(3)->ReportAggregatesOnly();
ADD_CASES(TC_ConsoleOut,
{{".*BM_SummaryRepeat/repeats:3 ", MR_Not},
{"^BM_SummaryRepeat/repeats:3_mean %console_report$"},
{"^BM_SummaryRepeat/repeats:3_stddev %console_report$"}});
ADD_CASES(TC_JSONOut, {{".*BM_SummaryRepeat/repeats:3 ", MR_Not},
{"\"name\": \"BM_SummaryRepeat/repeats:3_mean\",$"},
{"\"name\": \"BM_SummaryRepeat/repeats:3_stddev\",$"}});
ADD_CASES(TC_CSVOut, {{".*BM_SummaryRepeat/repeats:3 ", MR_Not},
{"^\"BM_SummaryRepeat/repeats:3_mean\",%csv_report$"},
{"^\"BM_SummaryRepeat/repeats:3_stddev\",%csv_report$"}});
void BM_RepeatTimeUnit(benchmark::State& state) {
while (state.KeepRunning()) {
}
}
BENCHMARK(BM_RepeatTimeUnit)
->Repetitions(3)
->ReportAggregatesOnly()
->Unit(benchmark::kMicrosecond);
ADD_CASES(TC_ConsoleOut,
{{".*BM_RepeatTimeUnit/repeats:3 ", MR_Not},
{"^BM_RepeatTimeUnit/repeats:3_mean %console_us_report$"},
{"^BM_RepeatTimeUnit/repeats:3_stddev %console_us_report$"}});
ADD_CASES(TC_JSONOut, {{".*BM_RepeatTimeUnit/repeats:3 ", MR_Not},
{"\"name\": \"BM_RepeatTimeUnit/repeats:3_mean\",$"},
{"\"time_unit\": \"us\",?$"},
{"\"name\": \"BM_RepeatTimeUnit/repeats:3_stddev\",$"},
{"\"time_unit\": \"us\",?$"}});
ADD_CASES(TC_CSVOut,
{{".*BM_RepeatTimeUnit/repeats:3 ", MR_Not},
{"^\"BM_RepeatTimeUnit/repeats:3_mean\",%csv_us_report$"},
{"^\"BM_RepeatTimeUnit/repeats:3_stddev\",%csv_us_report$"}});
// ========================================================================= //
// --------------------------- TEST CASES END ------------------------------ //
// ========================================================================= //
int main(int argc, char* argv[]) { RunOutputTests(argc, argv); }

150
benchmark-v1.1.0/test/skip_with_error_test.cc
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@@ -1,150 +0,0 @@
#undef NDEBUG
#include <cassert>
#include <vector>
#include "../src/check.h" // NOTE: check.h is for internal use only!
#include "benchmark/benchmark.h"
namespace {
class TestReporter : public benchmark::ConsoleReporter {
public:
virtual bool ReportContext(const Context& context) {
return ConsoleReporter::ReportContext(context);
};
virtual void ReportRuns(const std::vector<Run>& report) {
all_runs_.insert(all_runs_.end(), begin(report), end(report));
ConsoleReporter::ReportRuns(report);
}
TestReporter() {}
virtual ~TestReporter() {}
mutable std::vector<Run> all_runs_;
};
struct TestCase {
std::string name;
bool error_occurred;
std::string error_message;
typedef benchmark::BenchmarkReporter::Run Run;
void CheckRun(Run const& run) const {
CHECK(name == run.benchmark_name) << "expected " << name << " got "
<< run.benchmark_name;
CHECK(error_occurred == run.error_occurred);
CHECK(error_message == run.error_message);
if (error_occurred) {
// CHECK(run.iterations == 0);
} else {
CHECK(run.iterations != 0);
}
}
};
std::vector<TestCase> ExpectedResults;
int AddCases(const char* base_name, std::initializer_list<TestCase> const& v) {
for (auto TC : v) {
TC.name = base_name + TC.name;
ExpectedResults.push_back(std::move(TC));
}
return 0;
}
#define CONCAT(x, y) CONCAT2(x, y)
#define CONCAT2(x, y) x##y
#define ADD_CASES(...) int CONCAT(dummy, __LINE__) = AddCases(__VA_ARGS__)
} // end namespace
void BM_error_before_running(benchmark::State& state) {
state.SkipWithError("error message");
while (state.KeepRunning()) {
assert(false);
}
}
BENCHMARK(BM_error_before_running);
ADD_CASES("BM_error_before_running", {{"", true, "error message"}});
void BM_error_during_running(benchmark::State& state) {
int first_iter = true;
while (state.KeepRunning()) {
if (state.range(0) == 1 && state.thread_index <= (state.threads / 2)) {
assert(first_iter);
first_iter = false;
state.SkipWithError("error message");
} else {
state.PauseTiming();
state.ResumeTiming();
}
}
}
BENCHMARK(BM_error_during_running)->Arg(1)->Arg(2)->ThreadRange(1, 8);
ADD_CASES("BM_error_during_running", {{"/1/threads:1", true, "error message"},
{"/1/threads:2", true, "error message"},
{"/1/threads:4", true, "error message"},
{"/1/threads:8", true, "error message"},
{"/2/threads:1", false, ""},
{"/2/threads:2", false, ""},
{"/2/threads:4", false, ""},
{"/2/threads:8", false, ""}});
void BM_error_after_running(benchmark::State& state) {
while (state.KeepRunning()) {
benchmark::DoNotOptimize(state.iterations());
}
if (state.thread_index <= (state.threads / 2))
state.SkipWithError("error message");
}
BENCHMARK(BM_error_after_running)->ThreadRange(1, 8);
ADD_CASES("BM_error_after_running", {{"/threads:1", true, "error message"},
{"/threads:2", true, "error message"},
{"/threads:4", true, "error message"},
{"/threads:8", true, "error message"}});
void BM_error_while_paused(benchmark::State& state) {
bool first_iter = true;
while (state.KeepRunning()) {
if (state.range(0) == 1 && state.thread_index <= (state.threads / 2)) {
assert(first_iter);
first_iter = false;
state.PauseTiming();
state.SkipWithError("error message");
} else {
state.PauseTiming();
state.ResumeTiming();
}
}
}
BENCHMARK(BM_error_while_paused)->Arg(1)->Arg(2)->ThreadRange(1, 8);
ADD_CASES("BM_error_while_paused", {{"/1/threads:1", true, "error message"},
{"/1/threads:2", true, "error message"},
{"/1/threads:4", true, "error message"},
{"/1/threads:8", true, "error message"},
{"/2/threads:1", false, ""},
{"/2/threads:2", false, ""},
{"/2/threads:4", false, ""},
{"/2/threads:8", false, ""}});
int main(int argc, char* argv[]) {
benchmark::Initialize(&argc, argv);
TestReporter test_reporter;
benchmark::RunSpecifiedBenchmarks(&test_reporter);
typedef benchmark::BenchmarkReporter::Run Run;
auto EB = ExpectedResults.begin();
for (Run const& run : test_reporter.all_runs_) {
assert(EB != ExpectedResults.end());
EB->CheckRun(run);
++EB;
}
assert(EB == ExpectedResults.end());
return 0;
}

30
benchmark-v1.1.0/tools/compare_bench.py
View File

@@ -1,30 +0,0 @@
#!/usr/bin/env python
"""
compare_bench.py - Compare two benchmarks or their results and report the
difference.
"""
import sys
import gbench
from gbench import util, report
def main():
# Parse the command line flags
def usage():
print('compare_bench.py <test1> <test2> [benchmark options]...')
exit(1)
if '--help' in sys.argv or len(sys.argv) < 3:
usage()
tests = sys.argv[1:3]
bench_opts = sys.argv[3:]
bench_opts = list(bench_opts)
# Run the benchmarks and report the results
json1 = gbench.util.run_or_load_benchmark(tests[0], bench_opts)
json2 = gbench.util.run_or_load_benchmark(tests[1], bench_opts)
output_lines = gbench.report.generate_difference_report(json1, json2)
print 'Comparing %s to %s' % (tests[0], tests[1])
for ln in output_lines:
print(ln)
if __name__ == '__main__':
main()

46
benchmark-v1.1.0/tools/gbench/Inputs/test1_run1.json
View File

@@ -1,46 +0,0 @@
{
"context": {
"date": "2016-08-02 17:44:46",
"num_cpus": 4,
"mhz_per_cpu": 4228,
"cpu_scaling_enabled": false,
"library_build_type": "release"
},
"benchmarks": [
{
"name": "BM_SameTimes",
"iterations": 1000,
"real_time": 10,
"cpu_time": 10,
"time_unit": "ns"
},
{
"name": "BM_2xFaster",
"iterations": 1000,
"real_time": 50,
"cpu_time": 50,
"time_unit": "ns"
},
{
"name": "BM_2xSlower",
"iterations": 1000,
"real_time": 50,
"cpu_time": 50,
"time_unit": "ns"
},
{
"name": "BM_10PercentFaster",
"iterations": 1000,
"real_time": 100,
"cpu_time": 100,
"time_unit": "ns"
},
{
"name": "BM_10PercentSlower",
"iterations": 1000,
"real_time": 100,
"cpu_time": 100,
"time_unit": "ns"
}
]
}

46
benchmark-v1.1.0/tools/gbench/Inputs/test1_run2.json
View File

@@ -1,46 +0,0 @@
{
"context": {
"date": "2016-08-02 17:44:46",
"num_cpus": 4,
"mhz_per_cpu": 4228,
"cpu_scaling_enabled": false,
"library_build_type": "release"
},
"benchmarks": [
{
"name": "BM_SameTimes",
"iterations": 1000,
"real_time": 10,
"cpu_time": 10,
"time_unit": "ns"
},
{
"name": "BM_2xFaster",
"iterations": 1000,
"real_time": 25,
"cpu_time": 25,
"time_unit": "ns"
},
{
"name": "BM_2xSlower",
"iterations": 20833333,
"real_time": 100,
"cpu_time": 100,
"time_unit": "ns"
},
{
"name": "BM_10PercentFaster",
"iterations": 1000,
"real_time": 90,
"cpu_time": 90,
"time_unit": "ns"
},
{
"name": "BM_10PercentSlower",
"iterations": 1000,
"real_time": 110,
"cpu_time": 110,
"time_unit": "ns"
}
]
}

8
benchmark-v1.1.0/tools/gbench/__init__.py
View File

@@ -1,8 +0,0 @@
"""Google Benchmark tooling"""
__author__ = 'Eric Fiselier'
__email__ = 'eric@efcs.ca'
__versioninfo__ = (0, 5, 0)
__version__ = '.'.join(str(v) for v in __versioninfo__) + 'dev'
__all__ = []

141
benchmark-v1.1.0/tools/gbench/report.py
View File

@@ -1,141 +0,0 @@
"""report.py - Utilities for reporting statistics about benchmark results
"""
import os
class BenchmarkColor(object):
def __init__(self, name, code):
self.name = name
self.code = code
def __repr__(self):
return '%s%r' % (self.__class__.__name__,
(self.name, self.code))
def __format__(self, format):
return self.code
# Benchmark Colors Enumeration
BC_NONE = BenchmarkColor('NONE', '')
BC_MAGENTA = BenchmarkColor('MAGENTA', '\033[95m')
BC_CYAN = BenchmarkColor('CYAN', '\033[96m')
BC_OKBLUE = BenchmarkColor('OKBLUE', '\033[94m')
BC_HEADER = BenchmarkColor('HEADER', '\033[92m')
BC_WARNING = BenchmarkColor('WARNING', '\033[93m')
BC_WHITE = BenchmarkColor('WHITE', '\033[97m')
BC_FAIL = BenchmarkColor('FAIL', '\033[91m')
BC_ENDC = BenchmarkColor('ENDC', '\033[0m')
BC_BOLD = BenchmarkColor('BOLD', '\033[1m')
BC_UNDERLINE = BenchmarkColor('UNDERLINE', '\033[4m')
def color_format(use_color, fmt_str, *args, **kwargs):
"""
Return the result of 'fmt_str.format(*args, **kwargs)' after transforming
'args' and 'kwargs' according to the value of 'use_color'. If 'use_color'
is False then all color codes in 'args' and 'kwargs' are replaced with
the empty string.
"""
assert use_color is True or use_color is False
if not use_color:
args = [arg if not isinstance(arg, BenchmarkColor) else BC_NONE
for arg in args]
kwargs = {key: arg if not isinstance(arg, BenchmarkColor) else BC_NONE
for key, arg in kwargs.items()}
return fmt_str.format(*args, **kwargs)
def find_longest_name(benchmark_list):
"""
Return the length of the longest benchmark name in a given list of
benchmark JSON objects
"""
longest_name = 1
for bc in benchmark_list:
if len(bc['name']) > longest_name:
longest_name = len(bc['name'])
return longest_name
def calculate_change(old_val, new_val):
"""
Return a float representing the decimal change between old_val and new_val.
"""
if old_val == 0 and new_val == 0:
return 0.0
if old_val == 0:
return float(new_val - old_val) / (float(old_val + new_val) / 2)
return float(new_val - old_val) / abs(old_val)
def generate_difference_report(json1, json2, use_color=True):
"""
Calculate and report the difference between each test of two benchmarks
runs specified as 'json1' and 'json2'.
"""
first_col_width = find_longest_name(json1['benchmarks']) + 5
def find_test(name):
for b in json2['benchmarks']:
if b['name'] == name:
return b
return None
first_line = "{:<{}s} Time CPU Old New".format(
'Benchmark', first_col_width)
output_strs = [first_line, '-' * len(first_line)]
for bn in json1['benchmarks']:
other_bench = find_test(bn['name'])
if not other_bench:
continue
def get_color(res):
if res > 0.05:
return BC_FAIL
elif res > -0.07:
return BC_WHITE
else:
return BC_CYAN
fmt_str = "{}{:<{}s}{endc} {}{:+.2f}{endc} {}{:+.2f}{endc} {:4d} {:4d}"
tres = calculate_change(bn['real_time'], other_bench['real_time'])
cpures = calculate_change(bn['cpu_time'], other_bench['cpu_time'])
output_strs += [color_format(use_color, fmt_str,
BC_HEADER, bn['name'], first_col_width,
get_color(tres), tres, get_color(cpures), cpures,
bn['cpu_time'], other_bench['cpu_time'],
endc=BC_ENDC)]
return output_strs
###############################################################################
# Unit tests
import unittest
class TestReportDifference(unittest.TestCase):
def load_results(self):
import json
testInputs = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'Inputs')
testOutput1 = os.path.join(testInputs, 'test1_run1.json')
testOutput2 = os.path.join(testInputs, 'test1_run2.json')
with open(testOutput1, 'r') as f:
json1 = json.load(f)
with open(testOutput2, 'r') as f:
json2 = json.load(f)
return json1, json2
def test_basic(self):
expect_lines = [
['BM_SameTimes', '+0.00', '+0.00'],
['BM_2xFaster', '-0.50', '-0.50'],
['BM_2xSlower', '+1.00', '+1.00'],
['BM_10PercentFaster', '-0.10', '-0.10'],
['BM_10PercentSlower', '+0.10', '+0.10']
]
json1, json2 = self.load_results()
output_lines = generate_difference_report(json1, json2, use_color=False)
print output_lines
self.assertEqual(len(output_lines), len(expect_lines))
for i in xrange(0, len(output_lines)):
parts = [x for x in output_lines[i].split(' ') if x]
self.assertEqual(len(parts), 3)
self.assertEqual(parts, expect_lines[i])
if __name__ == '__main__':
unittest.main()

130
benchmark-v1.1.0/tools/gbench/util.py
View File

@@ -1,130 +0,0 @@
"""util.py - General utilities for running, loading, and processing benchmarks
"""
import json
import os
import tempfile
import subprocess
import sys
# Input file type enumeration
IT_Invalid = 0
IT_JSON = 1
IT_Executable = 2
_num_magic_bytes = 2 if sys.platform.startswith('win') else 4
def is_executable_file(filename):
"""
Return 'True' if 'filename' names a valid file which is likely
an executable. A file is considered an executable if it starts with the
magic bytes for a EXE, Mach O, or ELF file.
"""
if not os.path.isfile(filename):
return False
with open(filename, 'r') as f:
magic_bytes = f.read(_num_magic_bytes)
if sys.platform == 'darwin':
return magic_bytes in [
'\xfe\xed\xfa\xce', # MH_MAGIC
'\xce\xfa\xed\xfe', # MH_CIGAM
'\xfe\xed\xfa\xcf', # MH_MAGIC_64
'\xcf\xfa\xed\xfe', # MH_CIGAM_64
'\xca\xfe\xba\xbe', # FAT_MAGIC
'\xbe\xba\xfe\xca' # FAT_CIGAM
]
elif sys.platform.startswith('win'):
return magic_bytes == 'MZ'
else:
return magic_bytes == '\x7FELF'
def is_json_file(filename):
"""
Returns 'True' if 'filename' names a valid JSON output file.
'False' otherwise.
"""
try:
with open(filename, 'r') as f:
json.load(f)
return True
except:
pass
return False
def classify_input_file(filename):
"""
Return a tuple (type, msg) where 'type' specifies the classified type
of 'filename'. If 'type' is 'IT_Invalid' then 'msg' is a human readable
string represeting the error.
"""
ftype = IT_Invalid
err_msg = None
if not os.path.exists(filename):
err_msg = "'%s' does not exist" % filename
elif not os.path.isfile(filename):
err_msg = "'%s' does not name a file" % filename
elif is_executable_file(filename):
ftype = IT_Executable
elif is_json_file(filename):
ftype = IT_JSON
else:
err_msg = "'%s' does not name a valid benchmark executable or JSON file"
return ftype, err_msg
def check_input_file(filename):
"""
Classify the file named by 'filename' and return the classification.
If the file is classified as 'IT_Invalid' print an error message and exit
the program.
"""
ftype, msg = classify_input_file(filename)
if ftype == IT_Invalid:
print "Invalid input file: %s" % msg
sys.exit(1)
return ftype
def load_benchmark_results(fname):
"""
Read benchmark output from a file and return the JSON object.
REQUIRES: 'fname' names a file containing JSON benchmark output.
"""
with open(fname, 'r') as f:
return json.load(f)
def run_benchmark(exe_name, benchmark_flags):
"""
Run a benchmark specified by 'exe_name' with the specified
'benchmark_flags'. The benchmark is run directly as a subprocess to preserve
real time console output.
RETURNS: A JSON object representing the benchmark output
"""
thandle, tname = tempfile.mkstemp()
os.close(thandle)
cmd = [exe_name] + benchmark_flags
print("RUNNING: %s" % ' '.join(cmd))
exitCode = subprocess.call(cmd + ['--benchmark_out=%s' % tname])
if exitCode != 0:
print('TEST FAILED...')
sys.exit(exitCode)
json_res = load_benchmark_results(tname)
os.unlink(tname)
return json_res
def run_or_load_benchmark(filename, benchmark_flags):
"""
Get the results for a specified benchmark. If 'filename' specifies
an executable benchmark then the results are generated by running the
benchmark. Otherwise 'filename' must name a valid JSON output file,
which is loaded and the result returned.
"""
ftype = check_input_file(filename)
if ftype == IT_JSON:
return load_benchmark_results(filename)
elif ftype == IT_Executable:
return run_benchmark(filename, benchmark_flags)
else:
assert False # This branch is unreachable

14
cmake/dependencies.cmake
View File

@@ -7,17 +7,3 @@
# Boost
###############################################################################
find_package(Boost)
###############################################################################
# GoogleTest
###############################################################################
add_subdirectory(${CMAKE_SOURCE_DIR}/googletest-release-1.10.0)
target_include_directories(gtest INTERFACE ${CMAKE_HOME_DIRECTORY}/googletest-release-1.10.0/googletest/include)
target_include_directories(gtest_main INTERFACE ${CMAKE_HOME_DIRECTORY}/googletest-release-1.10.0/googletest/include)
###############################################################################
# Google Benchmark
###############################################################################
add_subdirectory(${CMAKE_SOURCE_DIR}/benchmark-v1.1.0)
target_include_directories(benchmark INTERFACE ${CMAKE_HOME_DIRECTORY}/benchmark-v1.1.0/include)

4
googletest-release-1.10.0/.clang-format
View File

@@ -1,4 +0,0 @@
# Run manually to reformat a file:
# clang-format -i --style=file <file>
Language: Cpp
BasedOnStyle: Google

84
googletest-release-1.10.0/.gitignore vendored
View File

@@ -1,84 +0,0 @@
# Ignore CI build directory
build/
xcuserdata
cmake-build-debug/
.idea/
bazel-bin
bazel-genfiles
bazel-googletest
bazel-out
bazel-testlogs
# python
*.pyc
# Visual Studio files
.vs
*.sdf
*.opensdf
*.VC.opendb
*.suo
*.user
_ReSharper.Caches/
Win32-Debug/
Win32-Release/
x64-Debug/
x64-Release/
# Ignore autoconf / automake files
Makefile.in
aclocal.m4
configure
build-aux/
autom4te.cache/
googletest/m4/libtool.m4
googletest/m4/ltoptions.m4
googletest/m4/ltsugar.m4
googletest/m4/ltversion.m4
googletest/m4/lt~obsolete.m4
googlemock/m4
# Ignore generated directories.
googlemock/fused-src/
googletest/fused-src/
# macOS files
.DS_Store
googletest/.DS_Store
googletest/xcode/.DS_Store
# Ignore cmake generated directories and files.
CMakeFiles
CTestTestfile.cmake
Makefile
cmake_install.cmake
googlemock/CMakeFiles
googlemock/CTestTestfile.cmake
googlemock/Makefile
googlemock/cmake_install.cmake
googlemock/gtest
/bin
/googlemock/gmock.dir
/googlemock/gmock_main.dir
/googlemock/RUN_TESTS.vcxproj.filters
/googlemock/RUN_TESTS.vcxproj
/googlemock/INSTALL.vcxproj.filters
/googlemock/INSTALL.vcxproj
/googlemock/gmock_main.vcxproj.filters
/googlemock/gmock_main.vcxproj
/googlemock/gmock.vcxproj.filters
/googlemock/gmock.vcxproj
/googlemock/gmock.sln
/googlemock/ALL_BUILD.vcxproj.filters
/googlemock/ALL_BUILD.vcxproj
/lib
/Win32
/ZERO_CHECK.vcxproj.filters
/ZERO_CHECK.vcxproj
/RUN_TESTS.vcxproj.filters
/RUN_TESTS.vcxproj
/INSTALL.vcxproj.filters
/INSTALL.vcxproj
/googletest-distribution.sln
/CMakeCache.txt
/ALL_BUILD.vcxproj.filters
/ALL_BUILD.vcxproj

73
googletest-release-1.10.0/.travis.yml
View File

@@ -1,73 +0,0 @@
# Build matrix / environment variable are explained on:
# https://docs.travis-ci.com/user/customizing-the-build/
# This file can be validated on:
# http://lint.travis-ci.org/
language: cpp
# Define the matrix explicitly, manually expanding the combinations of (os, compiler, env).
# It is more tedious, but grants us far more flexibility.
matrix:
include:
- os: linux
before_install: chmod -R +x ./ci/*platformio.sh
install: ./ci/install-platformio.sh
script: ./ci/build-platformio.sh
- os: linux
dist: xenial
compiler: gcc
install: ./ci/install-linux.sh && ./ci/log-config.sh
script: ./ci/build-linux-bazel.sh
- os: linux
dist: xenial
compiler: clang
install: ./ci/install-linux.sh && ./ci/log-config.sh
script: ./ci/build-linux-bazel.sh
- os: linux
compiler: gcc
env: BUILD_TYPE=Debug VERBOSE=1 CXX_FLAGS=-std=c++11
- os: linux
compiler: clang
env: BUILD_TYPE=Release VERBOSE=1 CXX_FLAGS=-std=c++11 -Wgnu-zero-variadic-macro-arguments
- os: linux
compiler: clang
env: BUILD_TYPE=Release VERBOSE=1 CXX_FLAGS=-std=c++11 NO_EXCEPTION=ON NO_RTTI=ON COMPILER_IS_GNUCXX=ON
- os: osx
compiler: gcc
env: BUILD_TYPE=Release VERBOSE=1 CXX_FLAGS=-std=c++11 HOMEBREW_LOGS=~/homebrew-logs HOMEBREW_TEMP=~/homebrew-temp
- os: osx
compiler: clang
env: BUILD_TYPE=Release VERBOSE=1 CXX_FLAGS=-std=c++11 HOMEBREW_LOGS=~/homebrew-logs HOMEBREW_TEMP=~/homebrew-temp
# These are the install and build (script) phases for the most common entries in the matrix. They could be included
# in each entry in the matrix, but that is just repetitive.
install:
- ./ci/install-${TRAVIS_OS_NAME}.sh
- . ./ci/env-${TRAVIS_OS_NAME}.sh
- ./ci/log-config.sh
script: ./ci/travis.sh
# This section installs the necessary dependencies.
addons:
apt:
# List of whitelisted in travis packages for ubuntu-precise can be found here:
# https://github.com/travis-ci/apt-package-whitelist/blob/master/ubuntu-precise
# List of whitelisted in travis apt-sources:
# https://github.com/travis-ci/apt-source-whitelist/blob/master/ubuntu.json
sources:
- ubuntu-toolchain-r-test
- llvm-toolchain-precise-3.9
packages:
- g++-4.9
- clang-3.9
update: true
homebrew:
packages:
- ccache
- gcc@4.9
- llvm@4
update: true
notifications:
email: false

179
googletest-release-1.10.0/BUILD.bazel
View File

@@ -1,179 +0,0 @@
# Copyright 2017 Google Inc.
# All Rights Reserved.
#
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Bazel Build for Google C++ Testing Framework(Google Test)
load("@rules_cc//cc:defs.bzl", "cc_library", "cc_test")
package(default_visibility = ["//visibility:public"])
licenses(["notice"])
config_setting(
name = "windows",
constraint_values = ["@bazel_tools//platforms:windows"],
)
config_setting(
name = "has_absl",
values = {"define": "absl=1"},
)
# Library that defines the FRIEND_TEST macro.
cc_library(
name = "gtest_prod",
hdrs = ["googletest/include/gtest/gtest_prod.h"],
includes = ["googletest/include"],
)
# Google Test including Google Mock
cc_library(
name = "gtest",
srcs = glob(
include = [
"googletest/src/*.cc",
"googletest/src/*.h",
"googletest/include/gtest/**/*.h",
"googlemock/src/*.cc",
"googlemock/include/gmock/**/*.h",
],
exclude = [
"googletest/src/gtest-all.cc",
"googletest/src/gtest_main.cc",
"googlemock/src/gmock-all.cc",
"googlemock/src/gmock_main.cc",
],
),
hdrs = glob([
"googletest/include/gtest/*.h",
"googlemock/include/gmock/*.h",
]),
copts = select({
":windows": [],
"//conditions:default": ["-pthread"],
}),
defines = select({
":has_absl": ["GTEST_HAS_ABSL=1"],
"//conditions:default": [],
}),
features = select({
":windows": ["windows_export_all_symbols"],
"//conditions:default": [],
}),
includes = [
"googlemock",
"googlemock/include",
"googletest",
"googletest/include",
],
linkopts = select({
":windows": [],
"//conditions:default": ["-pthread"],
}),
deps = select({
":has_absl": [
"@com_google_absl//absl/debugging:failure_signal_handler",
"@com_google_absl//absl/debugging:stacktrace",
"@com_google_absl//absl/debugging:symbolize",
"@com_google_absl//absl/strings",
"@com_google_absl//absl/types:optional",
"@com_google_absl//absl/types:variant",
],
"//conditions:default": [],
}),
)
cc_library(
name = "gtest_main",
srcs = ["googlemock/src/gmock_main.cc"],
features = select({
":windows": ["windows_export_all_symbols"],
"//conditions:default": [],
}),
deps = [":gtest"],
)
# The following rules build samples of how to use gTest.
cc_library(
name = "gtest_sample_lib",
srcs = [
"googletest/samples/sample1.cc",
"googletest/samples/sample2.cc",
"googletest/samples/sample4.cc",
],
hdrs = [
"googletest/samples/prime_tables.h",
"googletest/samples/sample1.h",
"googletest/samples/sample2.h",
"googletest/samples/sample3-inl.h",
"googletest/samples/sample4.h",
],
features = select({
":windows": ["windows_export_all_symbols"],
"//conditions:default": [],
}),
)
cc_test(
name = "gtest_samples",
size = "small",
# All Samples except:
# sample9 (main)
# sample10 (main and takes a command line option and needs to be separate)
srcs = [
"googletest/samples/sample1_unittest.cc",
"googletest/samples/sample2_unittest.cc",
"googletest/samples/sample3_unittest.cc",
"googletest/samples/sample4_unittest.cc",
"googletest/samples/sample5_unittest.cc",
"googletest/samples/sample6_unittest.cc",
"googletest/samples/sample7_unittest.cc",
"googletest/samples/sample8_unittest.cc",
],
linkstatic = 0,
deps = [
"gtest_sample_lib",
":gtest_main",
],
)
cc_test(
name = "sample9_unittest",
size = "small",
srcs = ["googletest/samples/sample9_unittest.cc"],
deps = [":gtest"],
)
cc_test(
name = "sample10_unittest",
size = "small",
srcs = ["googletest/samples/sample10_unittest.cc"],
deps = [":gtest"],
)

36
googletest-release-1.10.0/CMakeLists.txt
View File

@@ -1,36 +0,0 @@
# Note: CMake support is community-based. The maintainers do not use CMake
# internally.
cmake_minimum_required(VERSION 2.8.8)
if (POLICY CMP0048)
cmake_policy(SET CMP0048 NEW)
endif (POLICY CMP0048)
project(googletest-distribution)
set(GOOGLETEST_VERSION 1.10.0)
if (CMAKE_VERSION VERSION_LESS "3.1")
add_definitions(-std=c++11)
else()
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
if(NOT CYGWIN)
set(CMAKE_CXX_EXTENSIONS OFF)
endif()
endif()
enable_testing()
include(CMakeDependentOption)
include(GNUInstallDirs)
#Note that googlemock target already builds googletest
option(BUILD_GMOCK "Builds the googlemock subproject" OFF)
option(INSTALL_GTEST "Enable installation of googletest. (Projects embedding googletest may want to turn this OFF.)" OFF)
if(BUILD_GMOCK)
add_subdirectory( googlemock )
else()
add_subdirectory( googletest )
endif()

142
googletest-release-1.10.0/CONTRIBUTING.md
View File

@@ -1,142 +0,0 @@
# How to become a contributor and submit your own code
## Contributor License Agreements
We'd love to accept your patches! Before we can take them, we have to jump a
couple of legal hurdles.
Please fill out either the individual or corporate Contributor License Agreement
(CLA).
* If you are an individual writing original source code and you're sure you
own the intellectual property, then you'll need to sign an
[individual CLA](https://developers.google.com/open-source/cla/individual).
* If you work for a company that wants to allow you to contribute your work,
then you'll need to sign a
[corporate CLA](https://developers.google.com/open-source/cla/corporate).
Follow either of the two links above to access the appropriate CLA and
instructions for how to sign and return it. Once we receive it, we'll be able to
accept your pull requests.
## Are you a Googler?
If you are a Googler, please make an attempt to submit an internal change rather
than a GitHub Pull Request. If you are not able to submit an internal change a
PR is acceptable as an alternative.
## Contributing A Patch
1. Submit an issue describing your proposed change to the
[issue tracker](https://github.com/google/googletest).
2. Please don't mix more than one logical change per submittal, because it
makes the history hard to follow. If you want to make a change that doesn't
have a corresponding issue in the issue tracker, please create one.
3. Also, coordinate with team members that are listed on the issue in question.
This ensures that work isn't being duplicated and communicating your plan
early also generally leads to better patches.
4. If your proposed change is accepted, and you haven't already done so, sign a
Contributor License Agreement (see details above).
5. Fork the desired repo, develop and test your code changes.
6. Ensure that your code adheres to the existing style in the sample to which
you are contributing.
7. Ensure that your code has an appropriate set of unit tests which all pass.
8. Submit a pull request.
## The Google Test and Google Mock Communities
The Google Test community exists primarily through the
[discussion group](http://groups.google.com/group/googletestframework) and the
GitHub repository. Likewise, the Google Mock community exists primarily through
their own [discussion group](http://groups.google.com/group/googlemock). You are
definitely encouraged to contribute to the discussion and you can also help us
to keep the effectiveness of the group high by following and promoting the
guidelines listed here.
### Please Be Friendly
Showing courtesy and respect to others is a vital part of the Google culture,
and we strongly encourage everyone participating in Google Test development to
join us in accepting nothing less. Of course, being courteous is not the same as
failing to constructively disagree with each other, but it does mean that we
should be respectful of each other when enumerating the 42 technical reasons
that a particular proposal may not be the best choice. There's never a reason to
be antagonistic or dismissive toward anyone who is sincerely trying to
contribute to a discussion.
Sure, C++ testing is serious business and all that, but it's also a lot of fun.
Let's keep it that way. Let's strive to be one of the friendliest communities in
all of open source.
As always, discuss Google Test in the official GoogleTest discussion group. You
don't have to actually submit code in order to sign up. Your participation
itself is a valuable contribution.
## Style
To keep the source consistent, readable, diffable and easy to merge, we use a
fairly rigid coding style, as defined by the
[google-styleguide](https://github.com/google/styleguide) project. All patches
will be expected to conform to the style outlined
[here](https://google.github.io/styleguide/cppguide.html). Use
[.clang-format](https://github.com/google/googletest/blob/master/.clang-format)
to check your formatting
## Requirements for Contributors
If you plan to contribute a patch, you need to build Google Test, Google Mock,
and their own tests from a git checkout, which has further requirements:
* [Python](https://www.python.org/) v2.3 or newer (for running some of the
tests and re-generating certain source files from templates)
* [CMake](https://cmake.org/) v2.6.4 or newer
## Developing Google Test and Google Mock
This section discusses how to make your own changes to the Google Test project.
### Testing Google Test and Google Mock Themselves
To make sure your changes work as intended and don't break existing
functionality, you'll want to compile and run Google Test and GoogleMock's own
tests. For that you can use CMake:
mkdir mybuild
cd mybuild
cmake -Dgtest_build_tests=ON -Dgmock_build_tests=ON ${GTEST_REPO_DIR}
To choose between building only Google Test or Google Mock, you may modify your
cmake command to be one of each
cmake -Dgtest_build_tests=ON ${GTEST_DIR} # sets up Google Test tests
cmake -Dgmock_build_tests=ON ${GMOCK_DIR} # sets up Google Mock tests
Make sure you have Python installed, as some of Google Test's tests are written
in Python. If the cmake command complains about not being able to find Python
(`Could NOT find PythonInterp (missing: PYTHON_EXECUTABLE)`), try telling it
explicitly where your Python executable can be found:
cmake -DPYTHON_EXECUTABLE=path/to/python ...
Next, you can build Google Test and / or Google Mock and all desired tests. On
\*nix, this is usually done by
make
To run the tests, do
make test
All tests should pass.
### Regenerating Source Files
Some of Google Test's source files are generated from templates (not in the C++
sense) using a script. For example, the file
include/gtest/internal/gtest-type-util.h.pump is used to generate
gtest-type-util.h in the same directory.
You don't need to worry about regenerating the source files unless you need to
modify them. You would then modify the corresponding `.pump` files and run the
'[pump.py](googletest/scripts/pump.py)' generator script. See the
[Pump Manual](googletest/docs/pump_manual.md).

28
googletest-release-1.10.0/LICENSE
View File

@@ -1,28 +0,0 @@
Copyright 2008, Google Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

23
googletest-release-1.10.0/WORKSPACE
View File

@@ -1,23 +0,0 @@
workspace(name = "com_google_googletest")
load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
# Abseil
http_archive(
name = "com_google_absl",
urls = ["https://github.com/abseil/abseil-cpp/archive/master.zip"],
strip_prefix = "abseil-cpp-master",
)
http_archive(
name = "rules_cc",
strip_prefix = "rules_cc-master",
urls = ["https://github.com/bazelbuild/rules_cc/archive/master.zip"],
)
http_archive(
name = "rules_python",
strip_prefix = "rules_python-master",
urls = ["https://github.com/bazelbuild/rules_python/archive/master.zip"],
)

154
googletest-release-1.10.0/appveyor.yml
View File

@@ -1,154 +0,0 @@
version: '{build}'
os: Visual Studio 2015
environment:
matrix:
- compiler: msvc-15-seh
generator: "Visual Studio 15 2017"
build_system: cmake
APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
- compiler: msvc-15-seh
generator: "Visual Studio 15 2017 Win64"
build_system: cmake
APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
enabled_on_pr: yes
- compiler: msvc-15-seh
build_system: bazel
APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
enabled_on_pr: yes
- compiler: msvc-14-seh
build_system: cmake
generator: "Visual Studio 14 2015"
enabled_on_pr: yes
- compiler: msvc-14-seh
build_system: cmake
generator: "Visual Studio 14 2015 Win64"
- compiler: gcc-6.3.0-posix
build_system: cmake
generator: "MinGW Makefiles"
cxx_path: 'C:\mingw-w64\i686-6.3.0-posix-dwarf-rt_v5-rev1\mingw32\bin'
enabled_on_pr: yes
configuration:
- Debug
build:
verbosity: minimal
install:
- ps: |
Write-Output "Compiler: $env:compiler"
Write-Output "Generator: $env:generator"
Write-Output "Env:Configuation: $env:configuration"
Write-Output "Env: $env"
if (-not (Test-Path env:APPVEYOR_PULL_REQUEST_NUMBER)) {
Write-Output "This is *NOT* a pull request build"
} else {
Write-Output "This is a pull request build"
if (-not (Test-Path env:enabled_on_pr) -or $env:enabled_on_pr -ne "yes") {
Write-Output "PR builds are *NOT* explicitly enabled"
}
}
# install Bazel
if ($env:build_system -eq "bazel") {
appveyor DownloadFile https://github.com/bazelbuild/bazel/releases/download/0.28.1/bazel-0.28.1-windows-x86_64.exe -FileName bazel.exe
}
if ($env:build_system -eq "cmake") {
# git bash conflicts with MinGW makefiles
if ($env:generator -eq "MinGW Makefiles") {
$env:path = $env:path.replace("C:\Program Files\Git\usr\bin;", "")
if ($env:cxx_path -ne "") {
$env:path += ";$env:cxx_path"
}
}
}
before_build:
- ps: |
$env:root=$env:APPVEYOR_BUILD_FOLDER
Write-Output "env:root: $env:root"
build_script:
- ps: |
# Only enable some builds for pull requests, the AppVeyor queue is too long.
if ((Test-Path env:APPVEYOR_PULL_REQUEST_NUMBER) -And (-not (Test-Path env:enabled_on_pr) -or $env:enabled_on_pr -ne "yes")) {
return
} else {
# special case - build with Bazel
if ($env:build_system -eq "bazel") {
& $env:root\bazel.exe build -c opt //:gtest_samples
if ($LastExitCode -eq 0) { # bazel writes to StdErr and PowerShell interprets it as an error
$host.SetShouldExit(0)
} else { # a real error
throw "Exec: $ErrorMessage"
}
return
}
}
# by default build with CMake
md _build -Force | Out-Null
cd _build
$conf = if ($env:generator -eq "MinGW Makefiles") {"-DCMAKE_BUILD_TYPE=$env:configuration"} else {"-DCMAKE_CONFIGURATION_TYPES=Debug;Release"}
# Disable test for MinGW (gtest tests fail, gmock tests can not build)
$gtest_build_tests = if ($env:generator -eq "MinGW Makefiles") {"-Dgtest_build_tests=OFF"} else {"-Dgtest_build_tests=ON"}
$gmock_build_tests = if ($env:generator -eq "MinGW Makefiles") {"-Dgmock_build_tests=OFF"} else {"-Dgmock_build_tests=ON"}
& cmake -G "$env:generator" $conf -Dgtest_build_samples=ON $gtest_build_tests $gmock_build_tests ..
if ($LastExitCode -ne 0) {
throw "Exec: $ErrorMessage"
}
$cmake_parallel = if ($env:generator -eq "MinGW Makefiles") {"-j2"} else {"/m"}
& cmake --build . --config $env:configuration -- $cmake_parallel
if ($LastExitCode -ne 0) {
throw "Exec: $ErrorMessage"
}
skip_commits:
files:
- '**/*.md'
test_script:
- ps: |
# Only enable some builds for pull requests, the AppVeyor queue is too long.
if ((Test-Path env:APPVEYOR_PULL_REQUEST_NUMBER) -And (-not (Test-Path env:enabled_on_pr) -or $env:enabled_on_pr -ne "yes")) {
return
}
if ($env:build_system -eq "bazel") {
# special case - testing with Bazel
& $env:root\bazel.exe test //:gtest_samples
if ($LastExitCode -eq 0) { # bazel writes to StdErr and PowerShell interprets it as an error
$host.SetShouldExit(0)
} else { # a real error
throw "Exec: $ErrorMessage"
}
}
if ($env:build_system -eq "cmake") {
# built with CMake - test with CTest
if ($env:generator -eq "MinGW Makefiles") {
return # No test available for MinGW
}
& ctest -C $env:configuration --timeout 600 --output-on-failure
if ($LastExitCode -ne 0) {
throw "Exec: $ErrorMessage"
}
}
artifacts:
- path: '_build/CMakeFiles/*.log'
name: logs
- path: '_build/Testing/**/*.xml'
name: test_results
- path: 'bazel-testlogs/**/test.log'
name: test_logs
- path: 'bazel-testlogs/**/test.xml'
name: test_results

37
googletest-release-1.10.0/ci/build-linux-bazel.sh
View File

@@ -1,37 +0,0 @@
#!/usr/bin/env bash
# Copyright 2017 Google Inc.
# All Rights Reserved.
#
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
set -e
bazel version
bazel build --curses=no //...:all
bazel test --curses=no //...:all
bazel test --curses=no //...:all --define absl=1

2
googletest-release-1.10.0/ci/build-platformio.sh
View File

@@ -1,2 +0,0 @@
# run PlatformIO builds
platformio run

41
googletest-release-1.10.0/ci/env-linux.sh
View File

@@ -1,41 +0,0 @@
#!/usr/bin/env bash
# Copyright 2017 Google Inc.
# All Rights Reserved.
#
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# This file should be sourced, and not executed as a standalone script.
#
# TODO() - we can check if this is being sourced using $BASH_VERSION and $BASH_SOURCE[0] != ${0}.
if [ "${TRAVIS_OS_NAME}" = "linux" ]; then
if [ "$CXX" = "g++" ]; then export CXX="g++-4.9" CC="gcc-4.9"; fi
if [ "$CXX" = "clang++" ]; then export CXX="clang++-3.9" CC="clang-3.9"; fi
fi

47
googletest-release-1.10.0/ci/env-osx.sh
View File

@@ -1,47 +0,0 @@
#!/usr/bin/env bash
# Copyright 2017 Google Inc.
# All Rights Reserved.
#
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# This file should be sourced, and not executed as a standalone script.
#
# TODO() - we can check if this is being sourced using $BASH_VERSION and $BASH_SOURCE[0] != ${0}.
#
if [ "${TRAVIS_OS_NAME}" = "osx" ]; then
if [ "$CXX" = "clang++" ]; then
# $PATH needs to be adjusted because the llvm tap doesn't install the
# package to /usr/local/bin, etc, like the gcc tap does.
# See: https://github.com/Homebrew/legacy-homebrew/issues/29733
clang_version=3.9
export PATH="/usr/local/opt/llvm@${clang_version}/bin:$PATH";
fi
fi

48
googletest-release-1.10.0/ci/get-nprocessors.sh
View File

@@ -1,48 +0,0 @@
#!/usr/bin/env bash
# Copyright 2017 Google Inc.
# All Rights Reserved.
#
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# This file is typically sourced by another script.
# if possible, ask for the precise number of processors,
# otherwise take 2 processors as reasonable default; see
# https://docs.travis-ci.com/user/speeding-up-the-build/#Makefile-optimization
if [ -x /usr/bin/getconf ]; then
NPROCESSORS=$(/usr/bin/getconf _NPROCESSORS_ONLN)
else
NPROCESSORS=2
fi
# as of 2017-09-04 Travis CI reports 32 processors, but GCC build
# crashes if parallelized too much (maybe memory consumption problem),
# so limit to 4 processors for the time being.
if [ $NPROCESSORS -gt 4 ] ; then
echo "$0:Note: Limiting processors to use by make from $NPROCESSORS to 4."
NPROCESSORS=4
fi

49
googletest-release-1.10.0/ci/install-linux.sh
View File

@@ -1,49 +0,0 @@
#!/usr/bin/env bash
# Copyright 2017 Google Inc.
# All Rights Reserved.
#
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
set -eu
if [ "${TRAVIS_OS_NAME}" != linux ]; then
echo "Not a Linux build; skipping installation"
exit 0
fi
if [ "${TRAVIS_SUDO}" = "true" ]; then
echo "deb [arch=amd64] http://storage.googleapis.com/bazel-apt stable jdk1.8" | \
sudo tee /etc/apt/sources.list.d/bazel.list
curl https://bazel.build/bazel-release.pub.gpg | sudo apt-key add -
sudo apt-get update && sudo apt-get install -y bazel gcc-4.9 g++-4.9 clang-3.9
elif [ "${CXX}" = "clang++" ]; then
# Use ccache, assuming $HOME/bin is in the path, which is true in the Travis build environment.
ln -sf /usr/bin/ccache $HOME/bin/${CXX};
ln -sf /usr/bin/ccache $HOME/bin/${CC};
fi

40
googletest-release-1.10.0/ci/install-osx.sh
View File

@@ -1,40 +0,0 @@
#!/usr/bin/env bash
# Copyright 2017 Google Inc.
# All Rights Reserved.
#
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
set -eu
if [ "${TRAVIS_OS_NAME}" != "osx" ]; then
echo "Not a macOS build; skipping installation"
exit 0
fi
brew update
brew install ccache gcc@4.9

5
googletest-release-1.10.0/ci/install-platformio.sh
View File

@@ -1,5 +0,0 @@
# install PlatformIO
sudo pip install -U platformio
# update PlatformIO
platformio update

51
googletest-release-1.10.0/ci/log-config.sh
View File

@@ -1,51 +0,0 @@
#!/usr/bin/env bash
# Copyright 2017 Google Inc.
# All Rights Reserved.
#
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
set -e
# ccache on OS X needs installation first
# reset ccache statistics
ccache --zero-stats
echo PATH=${PATH}
echo "Compiler configuration:"
echo CXX=${CXX}
echo CC=${CC}
echo CXXFLAGS=${CXXFLAGS}
echo "C++ compiler version:"
${CXX} --version || echo "${CXX} does not seem to support the --version flag"
${CXX} -v || echo "${CXX} does not seem to support the -v flag"
echo "C compiler version:"
${CC} --version || echo "${CXX} does not seem to support the --version flag"
${CC} -v || echo "${CXX} does not seem to support the -v flag"

44
googletest-release-1.10.0/ci/travis.sh
View File

@@ -1,44 +0,0 @@
#!/usr/bin/env sh
set -evx
. ci/get-nprocessors.sh
# if possible, ask for the precise number of processors,
# otherwise take 2 processors as reasonable default; see
# https://docs.travis-ci.com/user/speeding-up-the-build/#Makefile-optimization
if [ -x /usr/bin/getconf ]; then
NPROCESSORS=$(/usr/bin/getconf _NPROCESSORS_ONLN)
else
NPROCESSORS=2
fi
# as of 2017-09-04 Travis CI reports 32 processors, but GCC build
# crashes if parallelized too much (maybe memory consumption problem),
# so limit to 4 processors for the time being.
if [ $NPROCESSORS -gt 4 ] ; then
echo "$0:Note: Limiting processors to use by make from $NPROCESSORS to 4."
NPROCESSORS=4
fi
# Tell make to use the processors. No preceding '-' required.
MAKEFLAGS="j${NPROCESSORS}"
export MAKEFLAGS
env | sort
# Set default values to OFF for these variables if not specified.
: "${NO_EXCEPTION:=OFF}"
: "${NO_RTTI:=OFF}"
: "${COMPILER_IS_GNUCXX:=OFF}"
mkdir build || true
cd build
cmake -Dgtest_build_samples=ON \
-Dgtest_build_tests=ON \
-Dgmock_build_tests=ON \
-Dcxx_no_exception=$NO_EXCEPTION \
-Dcxx_no_rtti=$NO_RTTI \
-DCMAKE_COMPILER_IS_GNUCXX=$COMPILER_IS_GNUCXX \
-DCMAKE_CXX_FLAGS=$CXX_FLAGS \
-DCMAKE_BUILD_TYPE=$BUILD_TYPE \
..
make
CTEST_OUTPUT_ON_FAILURE=1 make test

233
googletest-release-1.10.0/googlemock/CMakeLists.txt
View File

@@ -1,233 +0,0 @@
########################################################################
# Note: CMake support is community-based. The maintainers do not use CMake
# internally.
#
# CMake build script for Google Mock.
#
# To run the tests for Google Mock itself on Linux, use 'make test' or
# ctest. You can select which tests to run using 'ctest -R regex'.
# For more options, run 'ctest --help'.
option(gmock_build_tests "Build all of Google Mock's own tests." OFF)
# A directory to find Google Test sources.
if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/gtest/CMakeLists.txt")
set(gtest_dir gtest)
else()
set(gtest_dir ../googletest)
endif()
# Defines pre_project_set_up_hermetic_build() and set_up_hermetic_build().
include("${gtest_dir}/cmake/hermetic_build.cmake" OPTIONAL)
if (COMMAND pre_project_set_up_hermetic_build)
# Google Test also calls hermetic setup functions from add_subdirectory,
# although its changes will not affect things at the current scope.
pre_project_set_up_hermetic_build()
endif()
########################################################################
#
# Project-wide settings
# Name of the project.
#
# CMake files in this project can refer to the root source directory
# as ${gmock_SOURCE_DIR} and to the root binary directory as
# ${gmock_BINARY_DIR}.
# Language "C" is required for find_package(Threads).
if (CMAKE_VERSION VERSION_LESS 3.0)
project(gmock CXX C)
else()
cmake_policy(SET CMP0048 NEW)
project(gmock VERSION ${GOOGLETEST_VERSION} LANGUAGES CXX C)
endif()
cmake_minimum_required(VERSION 2.6.4)
if (COMMAND set_up_hermetic_build)
set_up_hermetic_build()
endif()
# Instructs CMake to process Google Test's CMakeLists.txt and add its
# targets to the current scope. We are placing Google Test's binary
# directory in a subdirectory of our own as VC compilation may break
# if they are the same (the default).
add_subdirectory("${gtest_dir}" "${gmock_BINARY_DIR}/${gtest_dir}")
# These commands only run if this is the main project
if(CMAKE_PROJECT_NAME STREQUAL "gmock" OR CMAKE_PROJECT_NAME STREQUAL "googletest-distribution")
# BUILD_SHARED_LIBS is a standard CMake variable, but we declare it here to
# make it prominent in the GUI.
option(BUILD_SHARED_LIBS "Build shared libraries (DLLs)." OFF)
else()
mark_as_advanced(gmock_build_tests)
endif()
# Although Google Test's CMakeLists.txt calls this function, the
# changes there don't affect the current scope. Therefore we have to
# call it again here.
config_compiler_and_linker() # from ${gtest_dir}/cmake/internal_utils.cmake
# Adds Google Mock's and Google Test's header directories to the search path.
set(gmock_build_include_dirs
"${gmock_SOURCE_DIR}/include"
"${gmock_SOURCE_DIR}"
"${gtest_SOURCE_DIR}/include"
# This directory is needed to build directly from Google Test sources.
"${gtest_SOURCE_DIR}")
include_directories(${gmock_build_include_dirs})
########################################################################
#
# Defines the gmock & gmock_main libraries. User tests should link
# with one of them.
# Google Mock libraries. We build them using more strict warnings than what
# are used for other targets, to ensure that Google Mock can be compiled by
# a user aggressive about warnings.
if (MSVC)
cxx_library(gmock
"${cxx_strict}"
"${gtest_dir}/src/gtest-all.cc"
src/gmock-all.cc)
cxx_library(gmock_main
"${cxx_strict}"
"${gtest_dir}/src/gtest-all.cc"
src/gmock-all.cc
src/gmock_main.cc)
else()
cxx_library(gmock "${cxx_strict}" src/gmock-all.cc)
target_link_libraries(gmock PUBLIC gtest)
cxx_library(gmock_main "${cxx_strict}" src/gmock_main.cc)
target_link_libraries(gmock_main PUBLIC gmock)
endif()
# If the CMake version supports it, attach header directory information
# to the targets for when we are part of a parent build (ie being pulled
# in via add_subdirectory() rather than being a standalone build).
if (DEFINED CMAKE_VERSION AND NOT "${CMAKE_VERSION}" VERSION_LESS "2.8.11")
target_include_directories(gmock SYSTEM INTERFACE
"$<BUILD_INTERFACE:${gmock_build_include_dirs}>"
"$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
target_include_directories(gmock_main SYSTEM INTERFACE
"$<BUILD_INTERFACE:${gmock_build_include_dirs}>"
"$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
endif()
########################################################################
#
# Install rules
install_project(gmock gmock_main)
########################################################################
#
# Google Mock's own tests.
#
# You can skip this section if you aren't interested in testing
# Google Mock itself.
#
# The tests are not built by default. To build them, set the
# gmock_build_tests option to ON. You can do it by running ccmake
# or specifying the -Dgmock_build_tests=ON flag when running cmake.
if (gmock_build_tests)
# This must be set in the root directory for the tests to be run by
# 'make test' or ctest.
enable_testing()
if (WIN32)
file(GENERATE OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>/RunTest.ps1"
CONTENT
"$project_bin = \"${CMAKE_BINARY_DIR}/bin/$<CONFIG>\"
$env:Path = \"$project_bin;$env:Path\"
& $args")
elseif (MINGW OR CYGWIN)
file(GENERATE OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/RunTest.ps1"
CONTENT
"$project_bin = (cygpath --windows ${CMAKE_BINARY_DIR}/bin)
$env:Path = \"$project_bin;$env:Path\"
& $args")
endif()
if (MINGW OR CYGWIN)
if (CMAKE_VERSION VERSION_LESS "2.8.12")
add_compile_options("-Wa,-mbig-obj")
else()
add_definitions("-Wa,-mbig-obj")
endif()
endif()
############################################################
# C++ tests built with standard compiler flags.
cxx_test(gmock-actions_test gmock_main)
cxx_test(gmock-cardinalities_test gmock_main)
cxx_test(gmock_ex_test gmock_main)
cxx_test(gmock-function-mocker_test gmock_main)
cxx_test(gmock-generated-actions_test gmock_main)
cxx_test(gmock-generated-function-mockers_test gmock_main)
cxx_test(gmock-generated-matchers_test gmock_main)
cxx_test(gmock-internal-utils_test gmock_main)
cxx_test(gmock-matchers_test gmock_main)
cxx_test(gmock-more-actions_test gmock_main)
cxx_test(gmock-nice-strict_test gmock_main)
cxx_test(gmock-port_test gmock_main)
cxx_test(gmock-spec-builders_test gmock_main)
cxx_test(gmock_link_test gmock_main test/gmock_link2_test.cc)
cxx_test(gmock_test gmock_main)
if (DEFINED GTEST_HAS_PTHREAD)
cxx_test(gmock_stress_test gmock)
endif()
# gmock_all_test is commented to save time building and running tests.
# Uncomment if necessary.
# cxx_test(gmock_all_test gmock_main)
############################################################
# C++ tests built with non-standard compiler flags.
if (MSVC)
cxx_library(gmock_main_no_exception "${cxx_no_exception}"
"${gtest_dir}/src/gtest-all.cc" src/gmock-all.cc src/gmock_main.cc)
cxx_library(gmock_main_no_rtti "${cxx_no_rtti}"
"${gtest_dir}/src/gtest-all.cc" src/gmock-all.cc src/gmock_main.cc)
else()
cxx_library(gmock_main_no_exception "${cxx_no_exception}" src/gmock_main.cc)
target_link_libraries(gmock_main_no_exception PUBLIC gmock)
cxx_library(gmock_main_no_rtti "${cxx_no_rtti}" src/gmock_main.cc)
target_link_libraries(gmock_main_no_rtti PUBLIC gmock)
endif()
cxx_test_with_flags(gmock-more-actions_no_exception_test "${cxx_no_exception}"
gmock_main_no_exception test/gmock-more-actions_test.cc)
cxx_test_with_flags(gmock_no_rtti_test "${cxx_no_rtti}"
gmock_main_no_rtti test/gmock-spec-builders_test.cc)
cxx_shared_library(shared_gmock_main "${cxx_default}"
"${gtest_dir}/src/gtest-all.cc" src/gmock-all.cc src/gmock_main.cc)
# Tests that a binary can be built with Google Mock as a shared library. On
# some system configurations, it may not possible to run the binary without
# knowing more details about the system configurations. We do not try to run
# this binary. To get a more robust shared library coverage, configure with
# -DBUILD_SHARED_LIBS=ON.
cxx_executable_with_flags(shared_gmock_test_ "${cxx_default}"
shared_gmock_main test/gmock-spec-builders_test.cc)
set_target_properties(shared_gmock_test_
PROPERTIES
COMPILE_DEFINITIONS "GTEST_LINKED_AS_SHARED_LIBRARY=1")
############################################################
# Python tests.
cxx_executable(gmock_leak_test_ test gmock_main)
py_test(gmock_leak_test)
cxx_executable(gmock_output_test_ test gmock)
py_test(gmock_output_test)
endif()

40
googletest-release-1.10.0/googlemock/CONTRIBUTORS
View File

@@ -1,40 +0,0 @@
# This file contains a list of people who've made non-trivial
# contribution to the Google C++ Mocking Framework project. People
# who commit code to the project are encouraged to add their names
# here. Please keep the list sorted by first names.
Benoit Sigoure <tsuna@google.com>
Bogdan Piloca <boo@google.com>
Chandler Carruth <chandlerc@google.com>
Dave MacLachlan <dmaclach@gmail.com>
David Anderson <danderson@google.com>
Dean Sturtevant
Gene Volovich <gv@cite.com>
Hal Burch <gmock@hburch.com>
Jeffrey Yasskin <jyasskin@google.com>
Jim Keller <jimkeller@google.com>
Joe Walnes <joe@truemesh.com>
Jon Wray <jwray@google.com>
Keir Mierle <mierle@gmail.com>
Keith Ray <keith.ray@gmail.com>
Kostya Serebryany <kcc@google.com>
Lev Makhlis
Manuel Klimek <klimek@google.com>
Mario Tanev <radix@google.com>
Mark Paskin
Markus Heule <markus.heule@gmail.com>
Matthew Simmons <simmonmt@acm.org>
Mike Bland <mbland@google.com>
Neal Norwitz <nnorwitz@gmail.com>
Nermin Ozkiranartli <nermin@google.com>
Owen Carlsen <ocarlsen@google.com>
Paneendra Ba <paneendra@google.com>
Paul Menage <menage@google.com>
Piotr Kaminski <piotrk@google.com>
Russ Rufer <russ@pentad.com>
Sverre Sundsdal <sundsdal@gmail.com>
Takeshi Yoshino <tyoshino@google.com>
Vadim Berman <vadimb@google.com>
Vlad Losev <vladl@google.com>
Wolfgang Klier <wklier@google.com>
Zhanyong Wan <wan@google.com>

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