forked from lijiext/lammps
111 lines
3.8 KiB
C++
111 lines
3.8 KiB
C++
/*
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//@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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*/
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#include <iostream>
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#include <sstream>
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#include <Kokkos_Core.hpp>
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#include <grow_array.hpp>
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//----------------------------------------------------------------------------
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//----------------------------------------------------------------------------
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int main( int argc , char ** argv )
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{
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int num_threads = 4 ;
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int use_numa = 1 ;
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int use_core = 1 ;
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int length_array = 1000000 ;
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int span_values = 100000000 ;
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if ( Kokkos::hwloc::available() ) {
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use_numa = Kokkos::hwloc::get_available_numa_count();
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use_core = Kokkos::hwloc::get_available_cores_per_numa() - 1 ;
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num_threads = use_numa * use_core * Kokkos::hwloc::get_available_threads_per_core();
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}
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#if defined( KOKKOS_HAVE_SERIAL )
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{
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std::cout << "Kokkos::Serial" << std::endl ;
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// The Serial device accepts these arguments, though it may ignore them.
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Kokkos::Serial::initialize( num_threads , use_numa , use_core );
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Example::grow_array< Kokkos::Serial >( length_array , span_values );
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Kokkos::Serial::finalize ();
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}
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#endif // defined( KOKKOS_HAVE_SERIAL )
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#if defined( KOKKOS_HAVE_PTHREAD )
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{
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std::cout << "Kokkos::Threads" << std::endl ;
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Kokkos::Threads::initialize( num_threads , use_numa , use_core );
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Example::grow_array< Kokkos::Threads >( length_array , span_values );
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Kokkos::Threads::finalize();
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}
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#endif
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#if defined( KOKKOS_HAVE_OPENMP )
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{
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std::cout << "Kokkos::OpenMP" << std::endl ;
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Kokkos::OpenMP::initialize( num_threads , use_numa , use_core );
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Example::grow_array< Kokkos::OpenMP >( length_array , span_values );
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Kokkos::OpenMP::finalize();
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}
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#endif
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#if defined( KOKKOS_HAVE_CUDA )
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{
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std::cout << "Kokkos::Cuda" << std::endl ;
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Kokkos::HostSpace::execution_space::initialize(1);
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Kokkos::Cuda::initialize();
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Example::grow_array< Kokkos::Cuda >( length_array , span_values );
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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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return 0 ;
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}
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