lammps/lib/kokkos/containers/performance_tests/TestOpenMP.cpp

141 lines
4.4 KiB
C++

/*
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//
// Kokkos v. 2.0
// Copyright (2014) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// documentation and/or other materials provided with the distribution.
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#include <gtest/gtest.h>
#include <Kokkos_Core.hpp>
#include <Kokkos_UnorderedMap.hpp>
#include <TestGlobal2LocalIds.hpp>
#include <TestUnorderedMapPerformance.hpp>
#include <TestDynRankView.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, dynrankview_perf )
{
std::cout << "OpenMP" << std::endl;
std::cout << " DynRankView vs View: Initialization Only " << std::endl;
test_dynrankview_op_perf<Kokkos::OpenMP>( 8192 );
}
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