1 | /* Copyright 2022 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_DTENSOR_MLIR_COLLECTIVES_COMMON_H_ |
17 | #define TENSORFLOW_DTENSOR_MLIR_COLLECTIVES_COMMON_H_ |
18 | |
19 | #include <string> |
20 | |
21 | #include "tensorflow/dtensor/cc/tensor_layout.h" |
22 | |
23 | namespace tensorflow { |
24 | namespace dtensor { |
25 | |
26 | // Computes AllReduce partitions using reduced mesh dimension names. |
27 | StatusOr<std::map<DeviceLocation, std::vector<int32>>> |
28 | GetAllReducePartitionsFromReducedDims( |
29 | const dtensor::Layout& output_layout, |
30 | const absl::flat_hash_set<std::string>& reduced_dims); |
31 | |
32 | // Use the first device in the mesh to extract the device name. |
33 | StatusOr<std::string> DeviceTypeFromMesh(const Mesh& mesh); |
34 | |
35 | } // namespace dtensor |
36 | } // namespace tensorflow |
37 | |
38 | #endif // TENSORFLOW_DTENSOR_MLIR_COLLECTIVES_COMMON_H_ |
39 | |