[AMP] Check call order of paddle.amp.decorate and paddle.DataParallel #38785
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PR types
Performance optimization
PR changes
APIs
Describe
对于使用amp-o2的分布式训练,要求
paddle.amp.decorate
需要在paddle.DataParallel
初始化分布式训练的网络前。在
paddle.amp.decorate
接口添加对上述逻辑的检查。如果调用顺序有错,将报出如下RuntimeError
:For distributed AMP training, you should first use paddle.amp.decorate() to decotate origin model, and then call paddle.DataParallel get distributed model.