1 | /* Copyright 2020 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 | #ifndef TENSORFLOW_CORE_DATA_HASH_UTILS_H_ |
16 | #define TENSORFLOW_CORE_DATA_HASH_UTILS_H_ |
17 | |
18 | #include "tensorflow/core/common_runtime/function.h" |
19 | #include "tensorflow/core/framework/dataset.h" |
20 | #include "tensorflow/core/framework/function.h" |
21 | #include "tensorflow/core/framework/resource_mgr.h" |
22 | #include "tensorflow/core/framework/tensor.h" |
23 | |
24 | namespace tensorflow { |
25 | namespace data { |
26 | |
27 | // Returns a stable hash of the subgraph rooted at the given node. |
28 | // |
29 | // NOTE: There is currently no guarantee that the hash of a subgraph will stay |
30 | // the same between TensorFlow builds. |
31 | Status HashNode(const GraphDef& graph, const NodeDef& node, uint64* hash); |
32 | Status HashNode(const GraphDef& graph, const NodeDef& node, |
33 | const FunctionLibraryDefinition& flib_def, uint64* hash); |
34 | |
35 | // Returns a stable hash of the given tensor. |
36 | // |
37 | // NOTE: There is currently no guarantee that the hash of a subgraph will stay |
38 | // the same between TensorFlow builds. |
39 | Status HashTensor(const Tensor& tensor, uint64* hash); |
40 | |
41 | // Returns a stable hash of the given graph. |
42 | // |
43 | // NOTE: There is currently no guarantee that the hash of a subgraph will stay |
44 | // the same between TensorFlow builds. |
45 | Status HashGraph(const GraphDef& graph, uint64* hash); |
46 | |
47 | // Determines whether the given graphs are equal, following the same logic used |
48 | // for HashGraph. Returns OK if the graphs can be determined to be equal, |
49 | // otherwise returns an error message explaining why the graphs couldn't be |
50 | // determined to be equal. |
51 | Status CheckGraphsEqual(const GraphDef& a, const GraphDef& b); |
52 | |
53 | // Determines whether the subgraphs rooted at the given nodes are equal |
54 | // following the same logic used for HashGraph. Returns OK if the graphs can be |
55 | // determined to be equal, otherwise returns an error message explaining why the |
56 | // graphs couldn't be determined to be equal. |
57 | Status CheckSubgraphsEqual(const GraphDef& a, const NodeDef* node_a, |
58 | const GraphDef& b, const NodeDef* node_b); |
59 | } // namespace data |
60 | } // namespace tensorflow |
61 | |
62 | #endif // TENSORFLOW_CORE_DATA_HASH_UTILS_H_ |
63 | |