Add autotuning code for matmul operator.

Currently it is turned off by default.

PiperOrigin-RevId: 162423171

1 files changed, 28 insertions, 0 deletions

diff --git a/tensorflow/core/util/matmul_autotune.h b/tensorflow/core/util/matmul_autotune.h
new file mode 100644
index 0000000000..5366623883
--- /dev/null
+++ b/tensorflow/core/util/matmul_autotune.h
@@ -0,0 +1,28 @@
+/* Copyright 2015 The TensorFlow Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+==============================================================================*/
+
+// The utility to check matmul autotune related flags.
+
+#ifndef THIRD_PARTY_TENSORFLOW_CORE_UTIL_MATMUL_AUTOTUNE_H_
+#define THIRD_PARTY_TENSORFLOW_CORE_UTIL_MATMUL_AUTOTUNE_H_
+
+namespace tensorflow {
+
+bool MatmulAutotuneEnable();
+bool MatmulDoFP32ComputationFP16Input();
+
+}  // namespace tensorflow
+
+#endif  // THIRD_PARTY_TENSORFLOW_CORE_UTIL_MATMUL_AUTOTUNE_H_