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/*
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* Copyright (C) 2014 - 2019 Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice(s),
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice(s),
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <memkind/internal/memkind_arena.h>
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#include <algorithm>
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#include <vector>
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#include <gtest/gtest.h>
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#include <omp.h>
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#include <pthread.h>
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class GetArenaTest: public :: testing::Test
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{
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protected:
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void SetUp()
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{}
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void TearDown()
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{}
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};
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bool uint_comp(unsigned int a, unsigned int b)
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{
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return (a < b);
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}
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TEST_F(GetArenaTest, test_TC_MEMKIND_ThreadHash)
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{
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#ifdef _OPENMP
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int num_threads = omp_get_max_threads();
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std::vector<unsigned int> arena_idx(num_threads);
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unsigned int thread_idx, idx;
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int err = 0;
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size_t size = 0;
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int i;
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unsigned max_collisions, collisions;
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const unsigned collisions_limit = 5;
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//Initialize kind
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memkind_malloc(MEMKIND_HBW, 0);
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#pragma omp parallel shared(arena_idx) private(thread_idx)
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{
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thread_idx = omp_get_thread_num();
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err = memkind_thread_get_arena(MEMKIND_HBW, &(arena_idx[thread_idx]), size);
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}
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ASSERT_TRUE(err == 0);
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std::sort(arena_idx.begin(), arena_idx.end(), uint_comp);
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idx = arena_idx[0];
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collisions = 0;
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max_collisions = 0;
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for (i = 1; i < num_threads; ++i) {
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if (arena_idx[i] == idx) {
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collisions++;
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} else {
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if (collisions > max_collisions) {
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max_collisions = collisions;
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}
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idx = arena_idx[i];
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collisions = 0;
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}
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}
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EXPECT_LE(max_collisions, collisions_limit);
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RecordProperty("max_collisions", max_collisions);
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#else
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std::cout << "[ SKIPPED ] Feature OPENMP not supported" << std::endl;
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#endif
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}
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