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 | |
16 | #include "tensorflow/core/util/xla_config_registry.h" |
17 | |
18 | #include "tensorflow/core/platform/logging.h" |
19 | |
20 | namespace tensorflow { |
21 | |
22 | namespace xla_config_registry { |
23 | |
24 | namespace { |
25 | struct GlobalJitLevelState { |
26 | mutex mu; |
27 | GlobalJitLevelGetterTy getter TF_GUARDED_BY(mu); |
28 | }; |
29 | |
30 | GlobalJitLevelState* GetSingletonState() { |
31 | static GlobalJitLevelState* state = new GlobalJitLevelState; |
32 | return state; |
33 | } |
34 | } // namespace |
35 | |
36 | void RegisterGlobalJitLevelGetter(GlobalJitLevelGetterTy getter) { |
37 | GlobalJitLevelState* state = GetSingletonState(); |
38 | mutex_lock l(state->mu); |
39 | CHECK(!state->getter); |
40 | state->getter = std::move(getter); |
41 | } |
42 | |
43 | XlaGlobalJitLevel GetGlobalJitLevel( |
44 | OptimizerOptions::GlobalJitLevel jit_level_in_session_opts) { |
45 | GlobalJitLevelState* state = GetSingletonState(); |
46 | mutex_lock l(state->mu); |
47 | if (!state->getter) { |
48 | return {jit_level_in_session_opts, jit_level_in_session_opts}; |
49 | } |
50 | return state->getter(jit_level_in_session_opts); |
51 | } |
52 | |
53 | } // namespace xla_config_registry |
54 | |
55 | } // namespace tensorflow |
56 |