forked from huawei/mindspore2022
52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
/**
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* Copyright 2019 Huawei Technologies Co., Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MINDSPORE_CCSRC_DEVICE_GPU_DISTRIBUTION_MPI_WRAPPER_H_
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#define MINDSPORE_CCSRC_DEVICE_GPU_DISTRIBUTION_MPI_WRAPPER_H_
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <mpi.h>
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#include <iostream>
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#include "device/gpu/distribution/collective_common.h"
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namespace mindspore {
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namespace device {
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namespace gpu {
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class MPIWrapper {
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public:
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MPIWrapper(MPIWrapper const &) = delete;
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MPIWrapper &operator=(const MPIWrapper &) = delete;
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static MPIWrapper &instance();
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int local_rank_id() const;
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private:
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MPIWrapper();
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~MPIWrapper();
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void Init();
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void AssignLocalRankId();
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int rank_id_;
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int rank_size_;
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int local_rank_id_;
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};
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} // namespace gpu
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} // namespace device
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} // namespace mindspore
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#endif // MINDSPORE_CCSRC_DEVICE_GPU_DISTRIBUTION_MPI_WRAPPER_H_
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