shesung edited a comment on issue #11076: [MXNET-491] Use depthwise convolution by cuDNNv7 if available, updated version URL: https://github.com/apache/incubator-mxnet/pull/11076#issuecomment-416570195 I observed barely no improvement when using mxnet 1.2.1 + cuda8 + cudnn 7.2.1 on 1080ti When setting MXNET_CUDNN_AUTOTUNE_DEFAULT=0, performance drop rapidly.
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