forked from huawei/mindspore2022
50 lines
1.5 KiB
C++
50 lines
1.5 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_UTILS_COMM_MANAGER_H
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#define MINDSPORE_CCSRC_UTILS_COMM_MANAGER_H
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#include <string>
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#include <vector>
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#include <utility>
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#include "utils/log_adapter.h"
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using std::string;
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using std::vector;
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namespace mindspore {
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constexpr unsigned int NO_COMM_DLIB_RANK_SIZE = 2048;
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class CommManager {
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public:
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static CommManager &GetInstance() noexcept;
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bool CreateGroupSync(const string &group, const vector<unsigned int> &rank_id_list) const;
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bool DestroyGroup(const string &group) const;
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bool GetRankID(const string &group, unsigned int *rank_id) const;
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bool GetRankSize(const string &group, unsigned int *rank_size) const;
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~CommManager() = default;
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CommManager(const CommManager &) = delete;
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private:
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explicit CommManager(string backend) : backend_(std::move(backend)) {}
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string backend_;
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};
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} // namespace mindspore
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#endif // MINDSPORE_CCSRC_UTILS_COMMUNICATION_MANAGER_H
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