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-455779305
 
 
   @zhreshold @szha 
   Hello! I have written a minimum reproducible example which doesn't need 
dataset.
   
[Code](https://gist.githubusercontent.com/wkcn/69f0f6d2ca467816dc481a00c225104f/raw/2899896f42a920ff0fde5ff93b9a16d16aec507f/test_fcn_for_mxnet.py)
   
   I test it on a machine which owns Tesla M40 (21GB) x 4.
   Here is the result:
   MXNet 1.5.0: 10 images / sec
   MXNet 1.3.0: 40+ images / sec
   
   MXNet is installed by `pip install mxnet-cu90 --pre` or `pip install 
mxnet-cu90==1.3.0`

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