kohillyang commented on issue #18543: URL: https://github.com/apache/incubator-mxnet/issues/18543#issuecomment-692430203
Is it possible to implement MXNET_BACKWARD_DO_MIRROR if bacthnorm is used? It seems that the parameters of BatchNorm and SyncBatchNorm are updated by themselves (I'm not sure about this). So we may need some extra memory to store these old parameters. It is meaningful since we can assume the size of these parameters are small enough. However, it seems that in current implementation, updating of batchnorm parameters is disabled when MXNET_BACKWARD_DO_MIRROR is set. See <https://github.com/apache/incubator-mxnet/blob/beafba76395e75c093f99d20ac62e38f48e91012/src/operator/nn/cudnn/cudnn_batch_norm-inl.h#L131>. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
