1 /** 2 * Copyright 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_MINDSPORE_CCSRC_RUNTIME_PYNATIVE_GRAPH_ADAPTER_H_ 18 #define MINDSPORE_MINDSPORE_CCSRC_RUNTIME_PYNATIVE_GRAPH_ADAPTER_H_ 19 20 #include <vector> 21 #include <set> 22 #include <unordered_map> 23 #include "include/backend/kernel_graph.h" 24 #include "runtime/hardware/device_context.h" 25 #include "runtime/graph_scheduler/graph_compiler.h" 26 27 namespace mindspore::pynative { 28 using GraphCompilerInfo = runtime::GraphCompilerInfo; 29 class GraphAdapter { 30 public: 31 void UpdateForwardOutputInBpropGraph(const KernelGraphPtr &graph, const device::DeviceContext *device_context, 32 bool no_control_flow); 33 void GenerateBackoffValueNodeOwners(const KernelGraphPtr &graph); 34 static void ReplaceGraphParameterProperties(const KernelGraphPtr &graph, 35 const std::vector<tensor::TensorPtr> &input_tensors, 36 const device::DeviceContext *device_context); 37 static void GenerateRefCountForBpropValueNode(const KernelGraphPtr &graph); 38 static void ClearForwardOutputValueNodeDeviceAddress(const KernelGraphPtr &graph, 39 const device::DeviceContext *device_context); 40 static void RemoveUnusedValueNodes(const KernelGraphPtr &graph); 41 static void HandleHeterogeneousTensors(const std::vector<std::vector<tensor::TensorPtr>> &tensors, 42 const std::vector<device::DeviceContext *> &device_contexts); 43 static bool IsPynativeGeGraphSink(const GraphCompilerInfo &graph_compiler_info); 44 static bool IsPynativeGeGraphSink(const FuncGraphPtr &func_graph); 45 static bool PyNativeEnableTaskSink(const FuncGraphPtr &func_graph); 46 static bool IsAutoParallel(); 47 static void UpdateDynamicValueNodeAbstract(const KernelGraphPtr &graph); 48 static void SensTensorToDevice(const KernelGraphPtr &graph, const device::DeviceContext *device_context); 49 50 private: 51 void HandleBackoffValueNode(const ValueNodePtr &value_node, const AnfNodePtr &front_node, 52 const DeviceContext *device_context) const; 53 // Each backend has an independent map. 54 // The map will be destroyed when the backend object is destroyed. 55 std::unordered_map<AnfNode *, std::set<CNodePtr>> node_to_backoff_kernels_; 56 }; 57 } // namespace mindspore::pynative 58 #endif // MINDSPORE_MINDSPORE_CCSRC_RUNTIME_PYNATIVE_GRAPH_ADAPTER_H_ 59