rahul003 commented on issue #11919: Accuracy changes with number of GPUs URL: https://github.com/apache/incubator-mxnet/issues/11919#issuecomment-408570462 You would need to change your learning rate based on the total batch size, generally proportional to the batch size (as the number of steps the training takes halves in the latter case). Try using lr 0.02 for the latter case.
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