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1 /**
2  * Copyright 2021 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_GRAPH_KERNEL_TSA_ATOMIC_ADD_TO_FIRST_TENSOR_H_
18 #define MINDSPORE_CCSRC_BACKEND_OPTIMIZER_GRAPH_KERNEL_TSA_ATOMIC_ADD_TO_FIRST_TENSOR_H_
19 
20 #include <memory>
21 #include <tuple>
22 #include <utility>
23 #include <vector>
24 #include "backend/optimizer/common/optimizer.h"
25 #include "backend/optimizer/graph_kernel/add_atomic_clean.h"
26 #include "backend/session/kernel_graph.h"
27 
28 namespace mindspore {
29 namespace opt {
30 /*
31  * output = SubGraph(input_x, indices, update) {
32  *   %0 = TensorScatterAdd(%para1, %para2, %para3)
33  *   return %0
34  * }
35  * ---------------------------------------------------------------->
36  * // Initialize output with input_x.
37  * output = Reshape(input_x)
38  * fake_out = SubGraph'(output, indices, update) {
39  *   %0 = TensorScatterAdd(%para1, %para2, %para3)
40  *   %1 = InplaceAssign(%para1, %0, %0) // attrs{"fake_output":true}
41  *   return %1
42  * }
43  */
44 class TsaAtomicAddToFirstTensor : public AtomicCleanInsertter {
45  public:
TsaAtomicAddToFirstTensor()46   TsaAtomicAddToFirstTensor() : AtomicCleanInsertter("tensor_scatter_add_atomic_add_to_first_tensor") {}
47   ~TsaAtomicAddToFirstTensor() override = default;
48 
49   bool Run(const FuncGraphPtr &func_graph) override;
50 
51  private:
52   void ProcessOriginCNode(const AnfNodePtr &composite_node, const AnfNodePtr &new_input) override;
53   void CorrectKernelBuildInfo(const AnfNodePtr &composite_node, const AnfNodePtr &new_input,
54                               bool bypass = true) override;
55   void ProcessTsa(const KernelGraphPtr &main_graph, const AnfNodePtr &anf_node, const FuncGraphManagerPtr &mng);
56   AnfNodePtr ProcessTsaFirstNode(const KernelGraphPtr &main_graph, const AnfNodePtr &node);
57   AnfNodePtr FindTsaFirstRealInputInGraph(const KernelGraphPtr &main_graph, const AnfNodePtr &node);
58 
59   size_t tsa_first_input_index_{0};  // sub-graph parameter index.
60 };
61 using TsaAtomicAddToFirstTensorPtr = std::shared_ptr<TsaAtomicAddToFirstTensor>;
62 }  // namespace opt
63 }  // namespace mindspore
64 
65 #endif  // MINDSPORE_CCSRC_BACKEND_OPTIMIZER_GRAPH_KERNEL_TSA_ATOMIC_ADD_TO_FIRST_TENSOR_H_
66