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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_LITE_TOOLS_OPTIMIZER_GRAPH_TRANSPOSE_STRATEGY_H_
18 #define MINDSPORE_LITE_TOOLS_OPTIMIZER_GRAPH_TRANSPOSE_STRATEGY_H_
19 
20 #include <vector>
21 #include <memory>
22 #include <string>
23 #include "schema/inner/model_generated.h"
24 #include "tools/converter/converter_flags.h"
25 #include "tools/optimizer/common/format_utils.h"
26 #include "tools/optimizer/graph/node_infershape.h"
27 
28 using mindspore::converter::FmkType;
29 namespace mindspore {
30 namespace opt {
31 class TransposeStrategy {
32  public:
33   TransposeStrategy() = default;
34   ~TransposeStrategy() = default;
Init(FmkType fmk_type,bool train_flag)35   void Init(FmkType fmk_type, bool train_flag) {
36     fmk_type_ = fmk_type;
37     train_flag_ = train_flag;
38     node_infer_shape_.Init(fmk_type, train_flag);
39   }
40   AnfNodePtr TransposePairFuseWhenInsert(const FuncGraphPtr &func_graph, const CNodePtr &code,
41                                          const std::vector<int> &perm, bool before, size_t index);
42   bool CanFusionIfInsert(const FuncGraphPtr &func_graph, const CNodePtr &cnode, TransTypePair *trans_info,
43                          TransTypePair *trans_insert_info);
44   STATUS ChangeOpAxis(const FuncGraphPtr &func_graph, const CNodePtr &cnode, FormatTransNodeType trans_type);
45   bool CanChangeOpAxis(const CNodePtr &cnode);
46 
47  private:
48   AnfNodePtr TransposeDependOnShape(const FuncGraphPtr &func_graph, const CNodePtr &cnode, const std::vector<int> &perm,
49                                     bool before, size_t index);
50   STATUS TransposeInsertDependOnShape(const FuncGraphPtr &func_graph, const CNodePtr &cnode, bool before, size_t index);
51   bool IsInOutCanFuison(const std::vector<AnfNodePtr> &nodes, size_t *trans_count, FormatTransNodeType *trans_type);
52   void DecidePreAndPostTransType(TransTypePair *trans_info, TransTypePair *trans_insert_info) const;
53   FmkType fmk_type_{converter::kFmkTypeMs};
54   bool train_flag_{false};
55   NodeInferShape node_infer_shape_;
56 };
57 }  // namespace opt
58 }  // namespace mindspore
59 
60 #endif  // MINDSPORE_LITE_TOOLS_OPTIMIZER_GRAPH_TRANSPOSE_STRATEGY_H_
61