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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2019/04/05 11:14:53 UTC

[GitHub] [incubator-mxnet] yumna4 commented on issue #2910: Helper function to get GPU device number?

yumna4 commented on issue #2910: Helper function to get GPU device number?
URL: https://github.com/apache/incubator-mxnet/issues/2910#issuecomment-480238671
 
 
   > > When I try `os.environ["CUDA_VISIBLE_DEVICES"]` I get:
   > > ```
   > > KeyError: 'CUDA_VISIBLE_DEVICES'
   > > ```
   > 
   > Can anyone suggest, how was this issue resolved?
   
   you have to set it as follows
   import os
   os.environ['CUDA_VISIBLE_DEVICES']="0,3"  # specify which GPU(s) to be used

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