https://docs.nvidia.com/deeplearning/frameworks/tensorflow-user-guide/index.html#tfamp

See 8. Performance.

https://developer.download.nvidia.com/video/gputechconf/gtc/2019/presentation/s91029-automated-mixed-precision-tools-for-tensorflow-training-v2.pdf

https://www.tensorflow.org/versions/r1.14/api_docs/python/tf/train/experimental/enable_mixed_precision_graph_rewrite

https://on-demand.gputechconf.com/ai-conference-2019/T1-1_Jack%20Han_Getting%20More%20DL%20Training%20with%20Tensor%20Cores%20and%20AMP_한재근_발표용.pdf

tf.train.experimental.enable_mixed_precision_graph_rewrite()