name: benchmarks

on:
  workflow_dispatch:
  pull_request:
  push:
    branches:
      - parallel_hashmap_benchmark

jobs:
  posix:
    strategy:
      fail-fast: false
      matrix:
        include:
          - name: gcc-x64
            compiler: g++-11
            architecture: -m64
            sourcefile: main.cpp
            download-datafiles: true
            compileroptions: -std=c++2a -O3 -DNDEBUG
            outputfile: benchmark
            reportdir: gcc-x64
            os: [self-hosted, linux, x64]
            install: g++-11 curl zip unzip tar pkg-config
            command: sudo cset shield --exec -- nice -n -20 sudo -u gha ./benchmark
            
          - name: clang-x64
            compiler: clang++-12
            architecture: -m64
            sourcefile: main.cpp
            download-datafiles: true
            compileroptions: -std=c++2a -O3 -DNDEBUG -DHAVE_ABSEIL -DHAVE_ANKERL_UNORDERED_DENSE
            outputfile: benchmark
            reportdir: clang-x64
            os: [self-hosted, linux, x64]
            install: curl zip unzip tar pkg-config
            command: sudo cset shield --exec -- nice -n -20 sudo -u gha ./benchmark
                        
    runs-on: ${{matrix.os}}

    steps:
      - uses: actions/checkout@v3
      - name: Install packages
        if: matrix.install
        run: |
          # sudo -E apt-add-repository -y ppa:ubuntu-toolchain-r/test
          if uname -p | grep -q 'x86_64'; then sudo dpkg --add-architecture i386 ; fi
          sudo apt-get update
          sudo apt-get install -y ${{matrix.install}}
      - name: Download large data files
        if: matrix.download-datafiles
        run: |
          cd $GITHUB_WORKSPACE
          curl http://mattmahoney.net/dc/enwik9.zip --output enwik9.zip
          unzip enwik9.zip
          rm enwik9.zip
          curl http://mattmahoney.net/dc/enwik8.zip --output enwik8.zip
          unzip enwik8.zip
          rm enwik8.zip
      - name: Install Boost
        run: |
          cd $GITHUB_WORKSPACE
          git clone https://github.com/boostorg/boost.git boost-root
          cd boost-root
          git checkout develop
          git submodule update --init
          ./bootstrap.sh
          ./b2 -d0 headers
      - name: Install oneTBB
        run: |
          cd $GITHUB_WORKSPACE
          git clone https://github.com/Microsoft/vcpkg.git
          cd vcpkg
          mkdir .vcpkg
          ./bootstrap-vcpkg.sh -disableMetrics
          ./vcpkg integrate install
          ./vcpkg install tbb         
      - name: Compile
        run: |
          cd $GITHUB_WORKSPACE
          ${{matrix.compiler}} --version
          ${{matrix.compiler}} ${{matrix.sourcefile}} ${{matrix.architecture}} ${{matrix.compileroptions}} -o ${{matrix.outputfile}} -I$GITHUB_WORKSPACE/boost-root 
      - name: Set reportfile name
        run: |
          echo "REPORT_FILE=${{matrix.reportdir}}/${{matrix.sourcefile}}.txt" >> $GITHUB_ENV
      - name: Run benchmarks
        run: |
          if [ -n "${{matrix.xcode_version}}" ]; then
              DEVELOPER_DIR=/Applications/Xcode-${{matrix.xcode_version}}.app/Contents/Developer
          fi        
          if [ -n "${{matrix.command}}" ]; then
            echo "running benchmarks and saving to "${REPORT_FILE}
            ${{matrix.command}} | tee ${REPORT_FILE}
          else
            echo "running benchmarks and saving to "${REPORT_FILE}
            ./${{matrix.outputfile}} | tee ${REPORT_FILE}
          fi
      - name: Push benchmark results to repo
        run: |
          git config --global user.name 'joaquintides'
          git config --global user.email 'joaquintides@users.noreply.github.com'
          git add ${REPORT_FILE}
          git stash -- ${REPORT_FILE}
          git pull
          git stash pop
          git add ${REPORT_FILE}
          git commit -m "updated benchmark results"
          git push
          
  final:
    needs: [posix]
    
    runs-on: ubuntu-20.04
    
    steps:
      - uses: actions/checkout@v3
      - name: Install Python2
        uses: actions/setup-python@v2
        with:
          python-version: '2.7.18'
      - name: Fast-forward repo 
        run: |
          git pull
      - name: Run data feeding script
        run: |
          ./insert_data.sh
      - name: Push modified README.md to repo
        run: |
          git config --global user.name 'joaquintides'
          git config --global user.email 'joaquintides@users.noreply.github.com'
          git commit -am "updated README.md"
          git push