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lammps/lib/kokkos/core/unit_test/openmp/TestOpenMP_Other.cpp
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TestOpenMP_Other.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<openmp/TestOpenMP_Category.hpp>
#include<TestTemplateMetaFunctions.hpp>
#include<TestAggregate.hpp>
#include<TestMemoryPool.hpp>
#include<TestCXX11.hpp>
#include<TestTile.hpp>
#include<TestViewCtorPropEmbeddedDim.hpp>
#include <mutex>
namespace Test {
TEST_F( openmp, partition_master )
{
using Mutex = Kokkos::Experimental::MasterLock<Kokkos::OpenMP>;
Mutex mtx;
int errors = 0;
auto master = [&errors, &mtx](int partition_id, int num_partitions) {
const int pool_size = Kokkos::OpenMP::thread_pool_size();
{
std::unique_lock<Mutex> lock(mtx);
if ( Kokkos::OpenMP::in_parallel() ) {
++errors;
}
if ( Kokkos::OpenMP::thread_pool_rank() != 0 ) {
++errors;
}
}
{
int local_errors = 0;
Kokkos::parallel_reduce( Kokkos::RangePolicy<Kokkos::OpenMP>(0,1000)
, [pool_size]( const int , int & errs ) {
if ( Kokkos::OpenMP::thread_pool_size() != pool_size ) {
++errs;
}
}
, local_errors
);
Kokkos::atomic_add( &errors, local_errors );
}
Kokkos::Experimental::UniqueToken< Kokkos::OpenMP > token;
Kokkos::View<int*, Kokkos::OpenMP> count( "", token.size() );
Kokkos::parallel_for( Kokkos::RangePolicy<Kokkos::OpenMP>(0,1000),
[=] ( const int ) {
int i = token.acquire();
++count[i];
token.release(i);
});
Kokkos::View<int,Kokkos::OpenMP> sum ("");
Kokkos::parallel_for( Kokkos::RangePolicy<Kokkos::OpenMP>(0,token.size()),
[=] ( const int i ) {
Kokkos::atomic_add( sum.data(), count[i] );
});
if (sum() != 1000) {
Kokkos::atomic_add( &errors, 1 );
}
};
master(0,1);
ASSERT_EQ( errors, 0 );
Kokkos::OpenMP::partition_master( master );
ASSERT_EQ( errors, 0 );
Kokkos::OpenMP::partition_master( master, 4, 0 );
ASSERT_EQ( errors, 0 );
Kokkos::OpenMP::partition_master( master, 0, 4 );
ASSERT_EQ( errors, 0 );
Kokkos::OpenMP::partition_master( master, 2, 2 );
ASSERT_EQ( errors, 0 );
Kokkos::OpenMP::partition_master( master, 8, 0 );
ASSERT_EQ( errors, 0 );
Kokkos::OpenMP::partition_master( master, 0, 8 );
ASSERT_EQ( errors, 0 );
Kokkos::OpenMP::partition_master( master, 8, 8 );
ASSERT_EQ( errors, 0 );
}
} // namespace Test
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