159 lines
4.6 KiB
C++
159 lines
4.6 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 Christian R. Trott (crtrott@sandia.gov)
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//
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// ************************************************************************
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//@HEADER
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*/
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#include <Kokkos_Core.hpp>
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#include <G2L.hpp>
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namespace G2L {
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size_t run_serial(unsigned num_ids, unsigned num_find_iterations)
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{
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#ifdef KOKKOS_ENABLE_SERIAL
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std::cout << "Serial" << std::endl;
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return run_test<Kokkos::Serial>(num_ids,num_find_iterations);
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#else
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return 0;
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#endif // KOKKOS_ENABLE_SERIAL
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}
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size_t run_threads(unsigned num_ids, unsigned num_find_iterations)
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{
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#ifdef KOKKOS_ENABLE_THREADS
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std::cout << "Threads" << std::endl;
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return run_test<Kokkos::Threads>(num_ids,num_find_iterations);
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#else
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return 0;
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#endif
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}
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size_t run_openmp(unsigned num_ids, unsigned num_find_iterations)
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{
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#ifdef KOKKOS_ENABLE_OPENMP
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std::cout << "OpenMP" << std::endl;
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return run_test<Kokkos::OpenMP>(num_ids,num_find_iterations);
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#else
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return 0;
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#endif
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}
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size_t run_cuda(unsigned num_ids, unsigned num_find_iterations)
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{
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#ifdef KOKKOS_ENABLE_CUDA
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std::cout << "Cuda" << std::endl;
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return run_test<Kokkos::Cuda>(num_ids,num_find_iterations);
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#else
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return 0;
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#endif
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}
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} // namespace G2L
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int main(int argc, char *argv[])
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{
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unsigned num_ids = 100000;
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unsigned num_find_iterations = 1000;
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if (argc == 3) {
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num_ids = atoi(argv[1]);
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num_find_iterations = atoi(argv[2]);
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}
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else if (argc != 1) {
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std::cout << argv[0] << " num_ids num_find_iterations" << std::endl;
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return 0;
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}
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// query the topology of the host
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unsigned threads_count = 4 ;
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if (Kokkos::hwloc::available()) {
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threads_count = Kokkos::hwloc::get_available_numa_count() *
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Kokkos::hwloc::get_available_cores_per_numa() *
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Kokkos::hwloc::get_available_threads_per_core();
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}
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std::cout << "Threads: " << threads_count << std::endl;
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std::cout << "Number of ids: " << num_ids << std::endl;
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std::cout << "Number of find iterations: " << num_find_iterations << std::endl;
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size_t num_errors = 0;
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num_errors += G2L::run_serial(num_ids,num_find_iterations);
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#ifdef KOKKOS_ENABLE_CUDA
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Kokkos::HostSpace::execution_space::initialize(threads_count);
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Kokkos::Cuda::initialize( Kokkos::Cuda::SelectDevice(0) );
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num_errors += G2L::run_cuda(num_ids,num_find_iterations);
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Kokkos::Cuda::finalize();
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Kokkos::HostSpace::execution_space::finalize();
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#endif
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#ifdef KOKKOS_ENABLE_THREADS
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Kokkos::Threads::initialize( threads_count );
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num_errors += G2L::run_threads(num_ids,num_find_iterations);
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Kokkos::Threads::finalize();
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#endif
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#ifdef KOKKOS_ENABLE_OPENMP
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int num_threads = 0;
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#pragma omp parallel
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{
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#pragma omp atomic
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++num_threads;
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}
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if( num_threads > 3 ) {
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num_threads = std::max(4, num_threads/4);
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}
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Kokkos::OpenMP::initialize( num_threads );
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num_errors += G2L::run_openmp(num_ids,num_find_iterations);
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Kokkos::OpenMP::finalize();
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#endif
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return num_errors;
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}
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