snflake commented on issue #10804: Use depthwise convolution(group convolution) by cuDNNv7 if available URL: https://github.com/apache/incubator-mxnet/pull/10804#issuecomment-386712514 I got similar runtime with MobileNet v2 on laptop (Nvidia Quadro M1000M) using custom kernel and grouped conv by cudnn 7. IMO, we should always use cudnn if cudnn 7 is available.
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