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 | #include "tensorflow/dtensor/cc/tpu_system_interface.h" |
17 | |
18 | namespace tensorflow { |
19 | namespace dtensor { |
20 | |
21 | namespace { |
22 | |
23 | static TpuSystemInterface* preferred_tpu_system = nullptr; |
24 | |
25 | } // namespace |
26 | |
27 | void SetPreferredTpuSystem(TpuSystemInterface* tpu_system) { |
28 | if (preferred_tpu_system != nullptr) { |
29 | delete preferred_tpu_system; |
30 | } |
31 | preferred_tpu_system = tpu_system; |
32 | } |
33 | |
34 | TpuSystemInterface* GetPreferredTpuSystem() { return preferred_tpu_system; } |
35 | |
36 | } // namespace dtensor |
37 | } // namespace tensorflow |
38 | |