62 строки
2.1 KiB
C++
62 строки
2.1 KiB
C++
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/******************************************************************************
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* Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*****************************************************************************/
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#include "mpi_init_singleton.hpp"
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namespace rocshmem {
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MPIInitSingleton* MPIInitSingleton::instance{nullptr};
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MPIInitSingleton::MPIInitSingleton() {
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MPI_Initialized(&pre_init_done);
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if (!pre_init_done) {
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int provided;
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MPI_Init_thread(nullptr, nullptr, MPI_THREAD_SINGLE, &provided);
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}
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MPI_Comm_size(MPI_COMM_WORLD, &nprocs_);
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MPI_Comm_rank(MPI_COMM_WORLD, &my_rank_);
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}
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MPIInitSingleton::~MPIInitSingleton() {
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int finalized{0};
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MPI_Finalized(&finalized);
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if (!finalized && !pre_init_done) {
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MPI_Finalize();
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}
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}
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MPIInitSingleton* MPIInitSingleton::GetInstance() {
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if (!instance) {
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instance = new MPIInitSingleton();
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return instance;
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}
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return instance;
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}
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int MPIInitSingleton::get_rank() { return my_rank_; }
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int MPIInitSingleton::get_nprocs() { return nprocs_; }
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} // namespace rocshmem
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