rongzha1 commented on a change in pull request #17902: [mkldnn] optimize for
mkldnn batchnorm backward
URL: https://github.com/apache/incubator-mxnet/pull/17902#discussion_r397634039
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File path: src/operator/nn/mkldnn/mkldnn_batch_norm-inl.h
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@@ -180,9 +180,10 @@ void MKLDNNBatchNormForward(const nnvm::NodeAttrs &attrs,
const OpContext &ctx,
CHECK(weight_mem.get_desc().get_size() == channels_ * sizeof(float) * 2);
float* weight_ptr = gamma.data().dptr<float>();
float* bias_ptr = beta.data().dptr<float>();
+ size_t copy_size = sizeof(weight_buf[0]) * channels_;
Review comment:
OK thanks
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