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Adding automatic mixed precision training support #113

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vinhngx commented Jul 24, 2019

Automatic Mixed Precision training on GPU for Tensorflow has been recently introduced:

https://medium.com/tensorflow/automatic-mixed-precision-in-tensorflow-for-faster-ai-training-on-nvidia-gpus-6033234b2540

This PR adds GPU automatic mixed precision training to dopamine via setting a single OS flag:

export TF_ENABLE_AUTO_MIXED_PRECISION=1
@googlebot googlebot added the cla: yes label Jul 24, 2019
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