How do I know if my hardware supports bf16?

jun_yin · April 28, 2022, 2:14am

I want to try to train and use a tflite model, but it seems that not all hardware supports bf16. How can I judge whether the hardware supports bf16?

Bhack · April 28, 2022, 7:49pm

There are bfloat16 instructions checks for CPU in:

github.com

tensorflow/tensorflow/blob/master/tensorflow/core/platform/cpu_info.cc

/* 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.
==============================================================================*/

#include "tensorflow/core/platform/cpu_info.h"

#include "absl/base/call_once.h"
#include "tensorflow/core/platform/logging.h"
#include "tensorflow/core/platform/platform.h"

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Are you interested also for GPU?