Multi gpu training

[ashkanaev]

Is't possible to start training in multi gpu mode? seems that it's not possible.

parser.add_argument("--gpu", type=int, default=0,
help="choose gpu device.")

[hfslyc]

Hi,

Our code currently doesn't support multi-GPU training. But I think it can be easily implemented.

[yyangmei]

@ashkanaev Have you successfully train in multi gpu? I want to use two gpus. If you have succeed could you tell me how to do it? Thank you so much!
@hfslyc And have you implemented on multi gpus?Thank you~