1 | /* Copyright 2019 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_KERNELS_COLLECTIVE_NCCL_H_ |
16 | #define TENSORFLOW_CORE_KERNELS_COLLECTIVE_NCCL_H_ |
17 | |
18 | #include "tensorflow/core/framework/collective.h" |
19 | |
20 | namespace tensorflow { |
21 | #if GOOGLE_CUDA || TENSORFLOW_USE_ROCM |
22 | |
23 | class NcclBase : public CollectiveImplementationInterface { |
24 | public: |
25 | explicit NcclBase(CollectiveType type, const string& name); |
26 | ~NcclBase() override = default; |
27 | |
28 | // No-op for this collective implementation. |
29 | Status InitializeCollectiveParams(CollectiveParams* col_params) override; |
30 | |
31 | // Initializes the device objects and device localities. |
32 | Status InitializeCollectiveContext( |
33 | std::shared_ptr<CollectiveContext> col_ctx) override; |
34 | |
35 | protected: |
36 | const CollectiveType type_; |
37 | const string name_; |
38 | std::shared_ptr<CollectiveContext> col_ctx_; |
39 | const CollectiveParams* col_params_; // Not owned |
40 | }; |
41 | |
42 | #endif // GOOGLE_CUDA || TENSORFLOW_USE_ROCM |
43 | } // namespace tensorflow |
44 | |
45 | #endif // TENSORFLOW_CORE_KERNELS_COLLECTIVE_NCCL_H_ |
46 | |