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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2020/07/01 00:01:27 UTC

[GitHub] [incubator-mxnet] wkcn commented on issue #18646: BatchNorm with axis=-1 is much slower than axis=1

wkcn commented on issue #18646:
URL: https://github.com/apache/incubator-mxnet/issues/18646#issuecomment-652109101


   The reason is that MKLDNN and CuDNN are only applied when axis = 1.
   The open PR https://github.com/apache/incubator-mxnet/pull/18504 fixes it.
   
   However, we will add environment variable to control whether to use MKLDNN and CuDNN, so the PR is blocked.


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