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This adds a program cache which can be used by algorithms and other functions to store programs which may be re-used. This improves performance by reducing the need for costly recompilation of commonly used programs. Program caches are context specific and multiple copies of the same context will use the same program cache. They are created and accessed by the global get_program_cache() function. For now, only a few algorithms and functions (radix sort, mersenne twister, fixed size sorts) make use of the program cache.
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
//---------------------------------------------------------------------------//
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// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
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//
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// Distributed under the Boost Software License, Version 1.0
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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// See http://kylelutz.github.com/compute for more information.
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//---------------------------------------------------------------------------//
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#define BOOST_TEST_MODULE TestProgramCache
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#include <boost/test/unit_test.hpp>
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#include <boost/compute/system.hpp>
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#include <boost/compute/detail/program_cache.hpp>
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namespace compute = boost::compute;
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BOOST_AUTO_TEST_CASE(setup)
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{
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// get default context
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compute::context ctx = compute::system::default_context();
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// get program cache
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boost::shared_ptr<compute::detail::program_cache> cache =
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compute::detail::get_program_cache(ctx);
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// try to load a null string
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BOOST_CHECK(cache->get(std::string()) == compute::program());
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// try to load a non-existant program
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BOOST_CHECK(cache->get("nonexistant") == compute::program());
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// create and store a program
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const char p1_source[] =
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"__kernel void add(__global int *a, int x)\n"
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"{\n"
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" a[get_global_id(0)] += x;\n"
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"}\n";
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compute::program p1 =
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compute::program::create_with_source(p1_source, ctx);
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p1.build();
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cache->insert("p1", p1);
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// try to load the program
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BOOST_CHECK(cache->get("p1") == p1);
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// create a copy of the context
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compute::context ctx_copy = ctx;
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// check that they both have the same cl_context
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BOOST_CHECK(ctx_copy.get() == ctx.get());
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// check that the cache is the same
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boost::shared_ptr<compute::detail::program_cache> cache_copy =
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compute::detail::get_program_cache(ctx_copy);
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BOOST_CHECK(cache_copy == cache);
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// try to load the program again
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BOOST_CHECK(cache_copy->get("p1") == p1);
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}
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