[GitHub] [incubator-mxnet] wkcn commented on a change in pull request #18504: [Improvement] Invoke mkldnn and cudnn BatchNorm when axis != 1

[GitBox]

wkcn commented on a change in pull request #18504:
URL: https://github.com/apache/incubator-mxnet/pull/18504#discussion_r449341276



##########
File path: src/operator/nn/batch_norm.cc
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@@ -420,10 +420,14 @@ static bool BatchNormType(const nnvm::NodeAttrs& attrs,
 
 #if MXNET_USE_MKLDNN == 1
 static inline bool SupportMKLDNNBN(const NDArray &input, const BatchNormParam 
&param) {
-  mxnet::TShape shape = input.shape();
-  return SupportMKLDNN(input) && shape.ndim() == 4

Review comment:
       Yes, it supports ndim > 5 too.
   




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