1/* Copyright 2019 The TensorFlow Authors. All Rights Reserved.
2
3Licensed under the Apache License, Version 2.0 (the "License");
4you may not use this file except in compliance with the License.
5You may obtain a copy of the License at
6
7 http://www.apache.org/licenses/LICENSE-2.0
8
9Unless required by applicable law or agreed to in writing, software
10distributed under the License is distributed on an "AS IS" BASIS,
11WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12See the License for the specific language governing permissions and
13limitations under the License.
14==============================================================================*/
15
16#include "tensorflow/core/util/xla_config_registry.h"
17
18#include "tensorflow/core/platform/logging.h"
19
20namespace tensorflow {
21
22namespace xla_config_registry {
23
24namespace {
25struct GlobalJitLevelState {
26 mutex mu;
27 GlobalJitLevelGetterTy getter TF_GUARDED_BY(mu);
28};
29
30GlobalJitLevelState* GetSingletonState() {
31 static GlobalJitLevelState* state = new GlobalJitLevelState;
32 return state;
33}
34} // namespace
35
36void 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
43XlaGlobalJitLevel 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