1 /** 2 * Copyright 2019-2022 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef MINDSPORE_CCSRC_INCLUDE_COMMON_UTILS_COMM_MANAGER_H 18 #define MINDSPORE_CCSRC_INCLUDE_COMMON_UTILS_COMM_MANAGER_H 19 20 #include <string> 21 #include <vector> 22 #include <utility> 23 #include <map> 24 #include <memory> 25 #include "utils/log_adapter.h" 26 #include "include/common/visible.h" 27 28 namespace mindspore { 29 class COMMON_EXPORT CommManager { 30 public: 31 static CommManager &GetInstance() noexcept; 32 static bool Register(const std::string &name, const std::shared_ptr<CommManager> &instance); 33 static void Clear(); 34 35 CommManager(const CommManager &) = delete; 36 virtual ~CommManager() = default; 37 38 virtual bool CreateGroupSync(const std::string &group, const std::vector<unsigned int> &rank_id_list) const = 0; 39 virtual bool DestroyGroup(const std::string &group) const = 0; 40 virtual bool GetRankID(const std::string &group, unsigned int *rank_id) const = 0; 41 virtual bool GetRankSize(const std::string &group, unsigned int *rank_size) const = 0; 42 virtual uint32_t GetRank() = 0; 43 44 protected: CommManager(std::string backend)45 explicit CommManager(std::string backend) : backend_(std::move(backend)) {} 46 47 std::string backend_; 48 }; 49 50 COMMON_EXPORT uint32_t GetRank(); 51 52 COMMON_EXPORT bool IsStandAlone(); 53 54 #define COMM_MANAGER_REG(NAME, INSTANCE) \ 55 static bool g_CommManager_##NAME##_reg_result = mindspore::CommManager::Register(NAME, INSTANCE) 56 } // namespace mindspore 57 #endif // MINDSPORE_CCSRC_INCLUDE_COMMON_UTILS_COMM_MANAGER_H 58