Tensorflow 多gpu训练

https://github.com/tensorflow/models/blob/master/tutorials/image/cifar10/cifar10_multi_gpu_train.py

https://dataxujing.github.io/TensorFlow-GPU-%E5%B9%B6%E8%A1%8C/

https://github.com/huyz1117/GoogLeNet

https://blog.csdn.net/minstyrain/article/details/80986397