111 lines
3.9 KiB
C++
111 lines
3.9 KiB
C++
//@HEADER
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// ************************************************************************
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//
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// Kokkos v. 2.0
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// Copyright (2014) Sandia Corporation
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the Corporation nor the names of the
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Questions? Contact H. Carter Edwards (hcedwar@sandia.gov)
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//
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// ************************************************************************
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//@HEADER
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#include <utility>
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#include <iostream>
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#include <Kokkos_Core.hpp>
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#include <feint_fwd.hpp>
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int main()
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{
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#if defined( KOKKOS_ENABLE_PTHREAD )
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{
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// Use 4 cores per NUMA region, unless fewer available
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const unsigned use_numa_count = Kokkos::hwloc::get_available_numa_count();
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const unsigned use_cores_per_numa = std::min( 4u , Kokkos::hwloc::get_available_cores_per_numa() );
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Kokkos::Threads::initialize( use_numa_count * use_cores_per_numa );
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std::cout << "feint< Threads , NotUsingAtomic >" << std::endl ;
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Kokkos::Example::feint< Kokkos::Threads , false >();
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std::cout << "feint< Threads , Usingtomic >" << std::endl ;
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Kokkos::Example::feint< Kokkos::Threads , true >();
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Kokkos::Threads::finalize();
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}
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#endif
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#if defined( KOKKOS_ENABLE_OPENMP )
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{
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// Use 4 cores per NUMA region, unless fewer available
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const unsigned use_numa_count = Kokkos::hwloc::get_available_numa_count();
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const unsigned use_cores_per_numa = std::min( 4u , Kokkos::hwloc::get_available_cores_per_numa() );
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Kokkos::OpenMP::initialize( use_numa_count * use_cores_per_numa );
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std::cout << "feint< OpenMP , NotUsingAtomic >" << std::endl ;
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Kokkos::Example::feint< Kokkos::OpenMP , false >();
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std::cout << "feint< OpenMP , Usingtomic >" << std::endl ;
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Kokkos::Example::feint< Kokkos::OpenMP , true >();
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Kokkos::OpenMP::finalize();
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}
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#endif
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#if defined( KOKKOS_ENABLE_CUDA )
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{
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// Initialize Host mirror device
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Kokkos::HostSpace::execution_space::initialize(1);
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const unsigned device_count = Kokkos::Cuda::detect_device_count();
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// Use the last device:
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Kokkos::Cuda::initialize( Kokkos::Cuda::SelectDevice(device_count-1) );
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std::cout << "feint< Cuda , NotUsingAtomic >" << std::endl ;
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Kokkos::Example::feint< Kokkos::Cuda , false >();
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std::cout << "feint< Cuda , UsingAtomic >" << std::endl ;
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Kokkos::Example::feint< Kokkos::Cuda , true >();
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Kokkos::Cuda::finalize();
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Kokkos::HostSpace::execution_space::finalize();
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}
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#endif
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}
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