100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
//---------------------------------------------------------------------------//
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// Copyright (c) 2013-2014 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://boostorg.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/utility/program_cache.hpp>
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#include "context_setup.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 = context;
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// get program cache
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boost::shared_ptr<compute::program_cache> cache =
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compute::program_cache::get_global_cache(ctx);
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// try to load a null string
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BOOST_CHECK(cache->get(std::string()) == boost::none);
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// try to load a non-existant program
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BOOST_CHECK(cache->get("nonexistant") == boost::none);
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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::program_cache> cache_copy =
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compute::program_cache::get_global_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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BOOST_AUTO_TEST_CASE(evict)
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{
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// create cache with capacity of four and insert four programs
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compute::program_cache cache(4);
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cache.insert("a", compute::program());
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cache.insert("b", compute::program());
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cache.insert("c", compute::program());
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cache.insert("d", compute::program());
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// check that all four programs still reside in the cache
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BOOST_CHECK(cache.get("a") != boost::none);
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BOOST_CHECK(cache.get("b") != boost::none);
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BOOST_CHECK(cache.get("c") != boost::none);
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BOOST_CHECK(cache.get("d") != boost::none);
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// insert fifth program which should evict the oldest ("a")
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cache.insert("e", compute::program());
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// check that "a" has been evicted and that "e" is now present
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BOOST_CHECK(cache.get("a") == boost::none);
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BOOST_CHECK(cache.get("b") != boost::none);
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BOOST_CHECK(cache.get("c") != boost::none);
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BOOST_CHECK(cache.get("d") != boost::none);
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BOOST_CHECK(cache.get("e") != boost::none);
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// clear cache and ensure no program objects are found
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cache.clear();
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BOOST_CHECK(cache.get("a") == boost::none);
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BOOST_CHECK(cache.get("b") == boost::none);
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BOOST_CHECK(cache.get("c") == boost::none);
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BOOST_CHECK(cache.get("d") == boost::none);
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BOOST_CHECK(cache.get("e") == boost::none);
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}
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BOOST_AUTO_TEST_SUITE_END()
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