wkcn commented on issue #13928: MXNet 1.5.0 is slower than 1.3.0 when intputs are variant URL: https://github.com/apache/incubator-mxnet/issues/13928#issuecomment-456698039 @zhreshold I test it on the server with Ubuntu 14.04, Tesla M40(24G) x 4, CUDA 8.0 just now. The training speed is 40+ samples/sec. I think the performance drops because of driver rather than MXNet. The CUDA 9.0 driver installed on the server is not matched with latest MXNet.
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