speed up the training

[vgg4resnet]

hi,I found it a long time to train one epoch, is there any way to speed up，I wonder which part of the augment code take so much time,？Have you got a QQ ?or do we have the QQ group?

[ainrichman]

Hello, the runtime transformation of the images cost most of the training time. This is to be ameliorated. QQ 183526402。