[GitHub] [incubator-mxnet] wuxun-zhang commented on issue #17159: Performance regression from 1.4.1 to 1.5.1

[GitBox <gi...@apache.org>]

wuxun-zhang commented on issue #17159: Performance regression from 1.4.1 to 1.5.1
URL: https://github.com/apache/incubator-mxnet/issues/17159#issuecomment-570100825
 
 
   > @apeforest Because the benchmarking scripts uses the performance of the pip wheels shouldn't we only be building pip wheels and then running on that?
   > Also, should I be doing:
   > pip install mxnet==1.5.0b20181209 or pip install mxnet-mkl==1.5.0b20181216?
   > 
   > Basically, should we not look at mkl for the performance regression anymore or continue to use it?
   > 
   > @wuxun-zhang Sure I can double check on my side. Is that gcc run with mxnet master branch? Also what commands are you using to change the gcc version on the ubuntu system?
   
   I just tested with mxnet [v1.5.1](https://github.com/apache/incubator-mxnet/tree/1.5.1) branch. FYI, this [link](https://gist.github.com/application2000/73fd6f4bf1be6600a2cf9f56315a2d91#file-how-to-install-latest-gcc-on-ubuntu-lts-txt) provides the step-by-step guidance for switching to different gcc versions on Ubuntu. 

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