1 | /* Copyright 2017 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_GRAPPLER_GRAPPLER_ITEM_BUILDER_H_ |
17 | #define TENSORFLOW_CORE_GRAPPLER_GRAPPLER_ITEM_BUILDER_H_ |
18 | |
19 | #include <memory> |
20 | #include <set> |
21 | #include <string> |
22 | |
23 | #include "tensorflow/core/framework/attr_value.pb.h" |
24 | #include "tensorflow/core/grappler/grappler_item.h" |
25 | |
26 | namespace tensorflow { |
27 | |
28 | class MetaGraphDef; |
29 | |
30 | namespace grappler { |
31 | |
32 | struct ItemConfig { |
33 | ItemConfig() {} |
34 | |
35 | // If true, ignore all user specified node placement. |
36 | bool ignore_user_placement = true; |
37 | // If true, ignore all user specified colocation attributes. |
38 | bool ignore_colocation = true; |
39 | // Dimension to use if a placeholder node has an _output_shapes attribute with |
40 | // a dimension of -1. |
41 | int placeholder_unknown_output_shape_dim = -1; |
42 | // If true, erases all "_noinline" attributes from user-defined functions. |
43 | // Has no effect if "inline_functions" is disabled. |
44 | bool erase_noinline_attributes = false; |
45 | // If non-empty, override the directory of asset paths. |
46 | string assets_directory_override; |
47 | // If true, runs ModelPruner on the graph. |
48 | bool prune_graph = false; |
49 | // Override feed nodes list. |
50 | std::set<string> feed_nodes; |
51 | // Override fetch nodes list. |
52 | std::set<string> fetch_nodes; |
53 | |
54 | // Configs for graph optimizations from common_runtime. This is NOT Grappler |
55 | // function optimizer. When Grappler is invoked at runtime, it is typically |
56 | // running after common_runtime pass. |
57 | // |
58 | // If true, does L1 optimizations. |
59 | bool apply_optimizations = false; |
60 | // If true, does function inlining. |
61 | bool inline_functions = false; |
62 | }; |
63 | |
64 | // Method for optimizing the graph def (including function inlining and other |
65 | // optimizations). This is optimizations from common_runtime, NOT Grappler |
66 | // function optimizer. |
67 | Status RuntimeGraphOptimizer(const GraphDef& graph_def_arg, |
68 | GraphDef* output_graph_def, const ItemConfig& cfg); |
69 | |
70 | // Factory method for creating a GrapplerItem from a MetaGraphDef. |
71 | // Returns nullptr if the given meta_graph cannot be converted. |
72 | std::unique_ptr<GrapplerItem> GrapplerItemFromMetaGraphDef( |
73 | const string& id, const MetaGraphDef& meta_graph, const ItemConfig& cfg); |
74 | |
75 | // Factory method for creating a GrapplerItem from a file |
76 | // containing a MetaGraphDef in either binary or text format. |
77 | // Returns nullptr if the given meta_graph cannot be converted. |
78 | std::unique_ptr<GrapplerItem> GrapplerItemFromMetaGraphDefFile( |
79 | const string& id, const string& meta_graph_file, const ItemConfig& cfg); |
80 | |
81 | } // end namespace grappler |
82 | } // end namespace tensorflow |
83 | |
84 | #endif // TENSORFLOW_CORE_GRAPPLER_GRAPPLER_ITEM_BUILDER_H_ |
85 | |