lammps/lib/kokkos/core/unit_test/TestOpenMP.cpp

/*
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//                        Kokkos v. 2.0
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#include <gtest/gtest.h>

#include <Kokkos_Macros.hpp>
#ifdef KOKKOS_LAMBDA
#undef KOKKOS_LAMBDA
#endif
#define KOKKOS_LAMBDA [=]

#include <Kokkos_Core.hpp>

//----------------------------------------------------------------------------

#include <TestViewImpl.hpp>
#include <TestAtomic.hpp>

#include <TestViewAPI.hpp>
#include <TestViewSubview.hpp>
#include <TestViewOfClass.hpp>

#include <TestSharedAlloc.hpp>
#include <TestViewMapping.hpp>

#include <TestRange.hpp>
#include <TestTeam.hpp>
#include <TestReduce.hpp>
#include <TestScan.hpp>
#include <TestAggregate.hpp>
#include <TestAggregateReduction.hpp>
#include <TestCompilerMacros.hpp>
#include <TestMemoryPool.hpp>


#include <TestCXX11.hpp>
#include <TestCXX11Deduction.hpp>
#include <TestTeamVector.hpp>
#include <TestMemorySpaceTracking.hpp>
#include <TestTemplateMetaFunctions.hpp>

#include <TestPolicyConstruction.hpp>


namespace Test {

class openmp : public ::testing::Test {
protected:
  static void SetUpTestCase()
  {
    const unsigned numa_count       = Kokkos::hwloc::get_available_numa_count();
    const unsigned cores_per_numa   = Kokkos::hwloc::get_available_cores_per_numa();
    const unsigned threads_per_core = Kokkos::hwloc::get_available_threads_per_core();

    const unsigned threads_count = std::max( 1u , numa_count ) *
                                   std::max( 2u , ( cores_per_numa * threads_per_core ) / 2 );

    Kokkos::OpenMP::initialize( threads_count );
    Kokkos::OpenMP::print_configuration( std::cout , true );
  }

  static void TearDownTestCase()
  {
    Kokkos::OpenMP::finalize();

    omp_set_num_threads(1);

    ASSERT_EQ( 1 , omp_get_max_threads() );
  }
};


TEST_F( openmp , impl_shared_alloc ) {
  test_shared_alloc< Kokkos::HostSpace , Kokkos::OpenMP >();
}

TEST_F( openmp, policy_construction) {
  TestRangePolicyConstruction< Kokkos::OpenMP >();
  TestTeamPolicyConstruction< Kokkos::OpenMP >();
}

TEST_F( openmp , impl_view_mapping ) {
  test_view_mapping< Kokkos::OpenMP >();
  test_view_mapping_subview< Kokkos::OpenMP >();
  test_view_mapping_operator< Kokkos::OpenMP >();
  TestViewMappingAtomic< Kokkos::OpenMP >::run();
}

TEST_F( openmp, view_impl) {
  test_view_impl< Kokkos::OpenMP >();
}

TEST_F( openmp, view_api) {
  TestViewAPI< double , Kokkos::OpenMP >();
}

TEST_F( openmp , view_nested_view )
{
  ::Test::view_nested_view< Kokkos::OpenMP >();
}

TEST_F( openmp , atomics )
{
  const int loop_count = 1e4 ;

  ASSERT_TRUE( ( TestAtomic::Loop<int,Kokkos::OpenMP>(loop_count,1) ) );
  ASSERT_TRUE( ( TestAtomic::Loop<int,Kokkos::OpenMP>(loop_count,2) ) );
  ASSERT_TRUE( ( TestAtomic::Loop<int,Kokkos::OpenMP>(loop_count,3) ) );

  ASSERT_TRUE( ( TestAtomic::Loop<unsigned int,Kokkos::OpenMP>(loop_count,1) ) );
  ASSERT_TRUE( ( TestAtomic::Loop<unsigned int,Kokkos::OpenMP>(loop_count,2) ) );
  ASSERT_TRUE( ( TestAtomic::Loop<unsigned int,Kokkos::OpenMP>(loop_count,3) ) );

  ASSERT_TRUE( ( TestAtomic::Loop<long int,Kokkos::OpenMP>(loop_count,1) ) );
  ASSERT_TRUE( ( TestAtomic::Loop<long int,Kokkos::OpenMP>(loop_count,2) ) );
  ASSERT_TRUE( ( TestAtomic::Loop<long int,Kokkos::OpenMP>(loop_count,3) ) );

  ASSERT_TRUE( ( TestAtomic::Loop<unsigned long int,Kokkos::OpenMP>(loop_count,1) ) );
  ASSERT_TRUE( ( TestAtomic::Loop<unsigned long int,Kokkos::OpenMP>(loop_count,2) ) );
  ASSERT_TRUE( ( TestAtomic::Loop<unsigned long int,Kokkos::OpenMP>(loop_count,3) ) );

  ASSERT_TRUE( ( TestAtomic::Loop<long long int,Kokkos::OpenMP>(loop_count,1) ) );
  ASSERT_TRUE( ( TestAtomic::Loop<long long int,Kokkos::OpenMP>(loop_count,2) ) );
  ASSERT_TRUE( ( TestAtomic::Loop<long long int,Kokkos::OpenMP>(loop_count,3) ) );

  ASSERT_TRUE( ( TestAtomic::Loop<double,Kokkos::OpenMP>(loop_count,1) ) );
  ASSERT_TRUE( ( TestAtomic::Loop<double,Kokkos::OpenMP>(loop_count,2) ) );
  ASSERT_TRUE( ( TestAtomic::Loop<double,Kokkos::OpenMP>(loop_count,3) ) );

  ASSERT_TRUE( ( TestAtomic::Loop<float,Kokkos::OpenMP>(100,1) ) );
  ASSERT_TRUE( ( TestAtomic::Loop<float,Kokkos::OpenMP>(100,2) ) );
  ASSERT_TRUE( ( TestAtomic::Loop<float,Kokkos::OpenMP>(100,3) ) );

  ASSERT_TRUE( ( TestAtomic::Loop<Kokkos::complex<double> ,Kokkos::OpenMP>(100,1) ) );
  ASSERT_TRUE( ( TestAtomic::Loop<Kokkos::complex<double> ,Kokkos::OpenMP>(100,2) ) );
  ASSERT_TRUE( ( TestAtomic::Loop<Kokkos::complex<double> ,Kokkos::OpenMP>(100,3) ) );

  ASSERT_TRUE( ( TestAtomic::Loop<TestAtomic::SuperScalar<4> ,Kokkos::OpenMP>(100,1) ) );
  ASSERT_TRUE( ( TestAtomic::Loop<TestAtomic::SuperScalar<4> ,Kokkos::OpenMP>(100,2) ) );
  ASSERT_TRUE( ( TestAtomic::Loop<TestAtomic::SuperScalar<4> ,Kokkos::OpenMP>(100,3) ) );
}

} // namespace test