1 /** 2 * Copyright 2019-2024 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_FRONTEND_PARALLEL_TENSOR_LAYOUT_LAYOUT_TRANSFER_H_ 18 #define MINDSPORE_CCSRC_FRONTEND_PARALLEL_TENSOR_LAYOUT_LAYOUT_TRANSFER_H_ 19 20 #include <string> 21 #include <map> 22 #include "frontend/parallel/status.h" 23 #include "frontend/parallel/tensor_layout/tensor_layout.h" 24 25 namespace mindspore { 26 namespace parallel { 27 using ReplacementMemo = std::map<size_t, int64_t>; 28 29 class LayoutTransfer { 30 public: 31 LayoutTransfer() = default; 32 virtual ~LayoutTransfer() = 0; 33 std::string ToString() const; 34 Status Init(const TensorLayout &from_in, const TensorLayout &to_in); from_in()35 TensorLayout from_in() const { return from_in_; } to_in()36 TensorLayout to_in() const { return to_in_; } 37 38 protected: IsSameTensorShape()39 bool IsSameTensorShape() const { return from_in_.IsSameTensorShape(to_in_); } IsSameDeviceArrangement()40 bool IsSameDeviceArrangement() const { return from_in_.IsSameDeviceArrangement(to_in_); } 41 42 TensorLayout from_in_; 43 TensorLayout to_in_; 44 45 private: 46 virtual Status CheckValidTransfer() = 0; 47 }; 48 } // namespace parallel 49 } // namespace mindspore 50 51 #endif // MINDSPORE_CCSRC_FRONTEND_PARALLEL_TENSOR_LAYOUT_LAYOUT_TRANSFER_H_ 52