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#ifndef TENSORFLOW_CORE_UTIL_XLA_CONFIG_REGISTRY_H_
17#define TENSORFLOW_CORE_UTIL_XLA_CONFIG_REGISTRY_H_
18
19#include <functional>
20
21#include "tensorflow/core/framework/logging.h"
22#include "tensorflow/core/platform/mutex.h"
23#include "tensorflow/core/protobuf/config.pb.h"
24
25namespace tensorflow {
26
27namespace xla_config_registry {
28
29// XlaGlobalJitLevel is used by XLA to expose its JIT level for processing
30// single gpu and general (multi-gpu) graphs.
31struct XlaGlobalJitLevel {
32 OptimizerOptions::GlobalJitLevel single_gpu;
33 OptimizerOptions::GlobalJitLevel general;
34};
35
36// Input is the jit_level in session config, and return value is the jit_level
37// from XLA, reflecting the effect of the environment variable flags.
38typedef std::function<XlaGlobalJitLevel(
39 const OptimizerOptions::GlobalJitLevel&)>
40 GlobalJitLevelGetterTy;
41
42void RegisterGlobalJitLevelGetter(GlobalJitLevelGetterTy getter);
43
44XlaGlobalJitLevel GetGlobalJitLevel(
45 OptimizerOptions::GlobalJitLevel jit_level_in_session_opts);
46
47#define REGISTER_XLA_CONFIG_GETTER(getter) \
48 REGISTER_XLA_CONFIG_GETTER_UNIQ_HELPER(__COUNTER__, getter)
49
50#define REGISTER_XLA_CONFIG_GETTER_UNIQ_HELPER(ctr, getter) \
51 REGISTER_XLA_CONFIG_GETTER_UNIQ(ctr, getter)
52
53#define REGISTER_XLA_CONFIG_GETTER_UNIQ(ctr, getter) \
54 static bool xla_config_registry_registration_##ctr = \
55 (::tensorflow::xla_config_registry::RegisterGlobalJitLevelGetter( \
56 getter), \
57 true)
58
59} // namespace xla_config_registry
60
61} // namespace tensorflow
62
63#endif // TENSORFLOW_CORE_UTIL_XLA_CONFIG_REGISTRY_H_
64