1 /** 2 * Copyright 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_CORE_UTILS_HOOK_H_ 18 #define MINDSPORE_CORE_UTILS_HOOK_H_ 19 20 #include <vector> 21 #include <map> 22 #include <memory> 23 #include "pybind11/pybind11.h" 24 #include "ir/anf.h" 25 #include "include/common/visible.h" 26 27 namespace mindspore { 28 namespace py = pybind11; 29 30 struct COMMON_EXPORT BackWardHook { 31 virtual ~BackWardHook() = default; 32 virtual ValuePtr operator()(const ValuePtr &grad) = 0; 33 }; 34 35 struct COMMON_EXPORT TensorBackwardHook : public BackWardHook { 36 TensorBackwardHook(uint64_t tensor_id, const py::function &obj); 37 ~TensorBackwardHook() override; 38 ValuePtr operator()(const ValuePtr &grad) override; 39 std::map<uint64_t, py::function> hook_map_; 40 }; 41 } // namespace mindspore 42 43 #endif // MINDSPORE_CORE_UTILS_HOOK_H_ 44