[GitHub] tcye commented on issue #11549: Pip package can be much faster (OpenCV version?)

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tcye commented on issue #11549: Pip package can be much faster (OpenCV version?)
URL: https://github.com/apache/incubator-mxnet/issues/11549#issuecomment-452429938
 
 
   > The first issue can be tested with https://github.com/apache/incubator-mxnet/blob/master/example/image-classification/train_mnist.py
   > The second issue can be tested with my [repo](https://github.com/chinakook/hr101_mxnet). MXNet built by config.mk will take 1.3s to detection while the CMake built one may take 20s to run on a Nvidia 1080Ti even when the CUDNN_AUTOTUNE is set to 0.
   
   I recently also found this problem, mxnet build with cmake is much slower with some light network, have you locaed this issue? I found some cflags diff such as -floop-unroll, but unfoutunately, when I add these flags to cmake, no help...

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