mindspore2022/mindspore/ccsrc/device/gpu/mpi/mpi_initializer.cc

48 lines
1.5 KiB
C++

/**
* Copyright 2019 Huawei Technologies Co., Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "device/gpu/mpi/mpi_initializer.h"
#include <mpi.h>
#include <pybind11/operators.h>
#include <iostream>
namespace mindspore {
namespace device {
namespace gpu {
MPIInitializer::MPIInitializer() {
MPI_Comm_rank(MPI_COMM_WORLD, &rank_id_);
MPI_Comm_size(MPI_COMM_WORLD, &rank_size_);
}
MPIInitializer &MPIInitializer::GetInstance() {
static MPIInitializer instance;
return instance;
}
int MPIInitializer::get_rank_id() { return MPIInitializer::GetInstance().rank_id_; }
int MPIInitializer::get_rank_size() { return MPIInitializer::GetInstance().rank_size_; }
PYBIND11_MODULE(_ms_mpi, mpi_initializer) {
mpi_initializer.doc() = "mindspore mpi python wrapper";
mpi_initializer.def("get_rank_id", &MPIInitializer::get_rank_id, "get rank id");
mpi_initializer.def("get_rank_size", &MPIInitializer::get_rank_size, "get rank size");
}
} // namespace gpu
} // namespace device
} // namespace mindspore