1 /** 2 * Copyright 2020 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 #ifndef MINDSPORE_CCSRC_BACKEND_SESSION_EXECUTOR_MANAGER_H_ 17 #define MINDSPORE_CCSRC_BACKEND_SESSION_EXECUTOR_MANAGER_H_ 18 #include <set> 19 #include <map> 20 #include <string> 21 #include <memory> 22 #include "backend/common/session/executor.h" 23 #include "include/backend/visible.h" 24 25 namespace mindspore::session { 26 class Executor; 27 class BACKEND_EXPORT ExecutorManager { 28 public: 29 static ExecutorManager &Instance(); 30 std::shared_ptr<Executor> GetExecutor(const std::string &device_name, uint32_t device_id); 31 void OnEvent(const ExecutorEvent &event); 32 void Clear(); ClearDoneTasks()33 void ClearDoneTasks() { 34 for (const auto &item : executors_) { 35 auto &executor = item.second; 36 if (executor != nullptr) { 37 executor->ClearDoneTasks(); 38 } 39 } 40 } 41 42 private: 43 ExecutorManager() = default; 44 ~ExecutorManager() = default; 45 DISABLE_COPY_AND_ASSIGN(ExecutorManager) 46 47 std::map<std::string, std::shared_ptr<Executor>> executors_; 48 }; 49 } // namespace mindspore::session 50 #endif // MINDSPORE_CCSRC_BACKEND_SESSION_EXECUTOR_MANAGER_H_ 51