1/* Copyright 2022 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#ifdef INTEL_MKL
17
18#include "tensorflow/core/util/onednn_env_vars.h"
19
20#include "absl/base/call_once.h"
21#include "tensorflow/core/util/env_var.h"
22
23namespace tensorflow {
24
25bool AreWeightsFrozen() {
26 static bool weights_const = false;
27 static absl::once_flag once;
28 absl::call_once(once, [&] {
29 TF_CHECK_OK(ReadBoolFromEnvVar("TF_ONEDNN_ASSUME_FROZEN_WEIGHTS",
30 /*default_value*/ false, &weights_const));
31 });
32 return weights_const;
33}
34
35bool UseSystemAlloc() {
36 static bool use_sys_alloc = false;
37 static absl::once_flag once;
38 absl::call_once(once, [&] {
39 TF_CHECK_OK(ReadBoolFromEnvVar("TF_ONEDNN_USE_SYSTEM_ALLOCATOR",
40 /*default_value*/ false, &use_sys_alloc));
41 });
42 return use_sys_alloc;
43}
44
45} // namespace tensorflow
46#endif // INTEL_MKL
47