1 | /* Copyright 2015 The TensorFlow Authors. All Rights Reserved. |
---|---|
2 | |
3 | Licensed under the Apache License, Version 2.0 (the "License"); |
4 | you may not use this file except in compliance with the License. |
5 | You may obtain a copy of the License at |
6 | |
7 | http://www.apache.org/licenses/LICENSE-2.0 |
8 | |
9 | Unless required by applicable law or agreed to in writing, software |
10 | distributed under the License is distributed on an "AS IS" BASIS, |
11 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | See the License for the specific language governing permissions and |
13 | limitations under the License. |
14 | ==============================================================================*/ |
15 | |
16 | #ifndef TENSORFLOW_CORE_COMMON_RUNTIME_COSTMODEL_MANAGER_H_ |
17 | #define TENSORFLOW_CORE_COMMON_RUNTIME_COSTMODEL_MANAGER_H_ |
18 | |
19 | #include <unordered_map> |
20 | |
21 | #include "tensorflow/core/framework/cost_graph.pb.h" |
22 | #include "tensorflow/core/graph/costmodel.h" |
23 | #include "tensorflow/core/graph/graph.h" |
24 | #include "tensorflow/core/lib/core/errors.h" |
25 | #include "tensorflow/core/lib/gtl/iterator_range.h" |
26 | |
27 | namespace tensorflow { |
28 | |
29 | // Used to manage all the cost models for a session. |
30 | class CostModelManager { |
31 | public: |
32 | ~CostModelManager(); |
33 | |
34 | typedef std::unordered_map<const Graph*, CostModel*> CostModelMap; |
35 | typedef CostModelMap::iterator CostModelMapIter; |
36 | |
37 | void ExportCostModels(CostModelMap* cost_models) { |
38 | mutex_lock l(mu_); |
39 | *cost_models = cost_models_; |
40 | } |
41 | |
42 | CostModel* FindOrCreateCostModel(const Graph* graph); |
43 | |
44 | bool RemoveCostModelForGraph(const Graph* graph); |
45 | |
46 | Status AddToCostGraphDef(const Graph* graph, CostGraphDef* cost_graph); |
47 | |
48 | private: |
49 | mutex mu_; |
50 | CostModelMap cost_models_ TF_GUARDED_BY(mu_); |
51 | }; |
52 | |
53 | } // namespace tensorflow |
54 | |
55 | #endif // TENSORFLOW_CORE_COMMON_RUNTIME_COSTMODEL_MANAGER_H_ |
56 |