nihui commented on issue #10804: Use depthwise convolution(group convolution) by cuDNNv7 if available URL: https://github.com/apache/incubator-mxnet/pull/10804#issuecomment-389411880 hello some feedback about the speed hardware: tesla-m40 24G x 2 system: centos-7 nvidia-387.26 cuda-9.1 cudnn-v7.1 model: mobilenet-v2 batchsize 256 (128 per gpu) mxnet implementation: 68s/10iter cudnnv7 implementation: 9.5s/10iter ps: need to comment mxnet DepthwiseConvolutionOp path in src/operator/nn/convolution.cu to enable cudnn one
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