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lammps/lib/kokkos/containers/performance_tests/TestOpenMP.cpp
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TestOpenMP.cpp
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/*
//@HEADER
// ************************************************************************
//
// Kokkos v. 2.0
// Copyright (2014) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. 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.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "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 SANDIA CORPORATION OR THE
// 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.
//
// Questions? Contact H. Carter Edwards (hcedwar@sandia.gov)
//
// ************************************************************************
//@HEADER
*/
#include <gtest/gtest.h>
#include <Kokkos_Core.hpp>
#include <Kokkos_UnorderedMap.hpp>
#include <TestGlobal2LocalIds.hpp>
#include <TestUnorderedMapPerformance.hpp>
#include <iomanip>
#include <sstream>
#include <string>
#include <fstream>
namespace Performance {
class openmp : public ::testing::Test {
protected:
static void SetUpTestCase()
{
std::cout << std::setprecision(5) << std::scientific;
unsigned num_threads = 4;
if (Kokkos::hwloc::available()) {
num_threads = Kokkos::hwloc::get_available_numa_count()
* Kokkos::hwloc::get_available_cores_per_numa()
* Kokkos::hwloc::get_available_threads_per_core()
;
}
std::cout << "OpenMP: " << num_threads << std::endl;
Kokkos::OpenMP::initialize( num_threads );
std::cout << "available threads: " << omp_get_max_threads() << std::endl;
}
static void TearDownTestCase()
{
Kokkos::OpenMP::finalize();
omp_set_num_threads(1);
ASSERT_EQ( 1 , omp_get_max_threads() );
}
};
TEST_F( openmp, global_2_local)
{
std::cout << "OpenMP" << std::endl;
std::cout << "size, create, generate, fill, find" << std::endl;
for (unsigned i=Performance::begin_id_size; i<=Performance::end_id_size; i *= Performance::id_step)
test_global_to_local_ids<Kokkos::OpenMP>(i);
}
TEST_F( openmp, unordered_map_performance_near)
{
unsigned num_openmp = 4;
if (Kokkos::hwloc::available()) {
num_openmp = Kokkos::hwloc::get_available_numa_count() *
Kokkos::hwloc::get_available_cores_per_numa() *
Kokkos::hwloc::get_available_threads_per_core();
}
std::ostringstream base_file_name;
base_file_name << "openmp-" << num_openmp << "-near";
Perf::run_performance_tests<Kokkos::OpenMP,true>(base_file_name.str());
}
TEST_F( openmp, unordered_map_performance_far)
{
unsigned num_openmp = 4;
if (Kokkos::hwloc::available()) {
num_openmp = Kokkos::hwloc::get_available_numa_count() *
Kokkos::hwloc::get_available_cores_per_numa() *
Kokkos::hwloc::get_available_threads_per_core();
}
std::ostringstream base_file_name;
base_file_name << "openmp-" << num_openmp << "-far";
Perf::run_performance_tests<Kokkos::OpenMP,false>(base_file_name.str());
}
} // namespace test
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