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 17 #ifndef MINDSPORE_CCSRC_BACKEND_OPTIMIZER_SOMAS_SOMAS_STREAM_H_ 18 #define MINDSPORE_CCSRC_BACKEND_OPTIMIZER_SOMAS_SOMAS_STREAM_H_ 19 20 #include "backend/optimizer/somas/somas_node.h" 21 #include "backend/optimizer/somas/somas_tensor.h" 22 23 #include <memory> 24 #include <set> 25 #include <vector> 26 27 namespace mindspore { 28 namespace somas { 29 class SomasNode; 30 class SomasTensor; 31 32 using SomasTensorPtr = std::shared_ptr<SomasTensor>; 33 34 class SomasStream { 35 public: 36 using SomasStreamPtr = std::shared_ptr<SomasStream>; 37 using SomasNodePtr = std::shared_ptr<SomasNode>; 38 39 // Attributes mutated in code 40 std::vector<SomasTensorPtr> tensors_; // vector needed for same-stream loop in ConflictComputing() 41 std::set<SomasStreamPtr> ancestor_streams_; 42 std::vector<SomasNodePtr> nodes_; 43 44 // Constructors/Destructors SomasStream(int64_t id)45 explicit SomasStream(int64_t id) : id_(id) {} 46 SomasStream(const SomasStream &) = delete; 47 SomasStream &operator=(const SomasStream &) = delete; 48 ~SomasStream() = default; 49 50 // Accessors GetId()51 const int64_t &GetId() const { return id_; } 52 53 private: 54 const int64_t id_{0}; 55 }; 56 } // namespace somas 57 } // namespace mindspore 58 59 #endif // MINDSPORE_CCSRC_BACKEND_OPTIMIZER_SOMAS_SOMAS_STREAM_H_ 60