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//                        Kokkos v. 2.0
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#include <Kokkos_Macros.hpp>
#if defined( KOKKOS_ENABLE_OPENMP )

#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
#else
void KOKKOS_CONTAINERS_PERFORMANCE_TESTS_TESTOPENMP_PREVENT_EMPTY_LINK_ERROR() {}
#endif

