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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2018/01/04 14:19:12 UTC

[GitHub] asmushetzel commented on issue #8456: setting OMP_NUM_THREADS doesn't improve performance with MKL2017

asmushetzel commented on issue #8456: setting OMP_NUM_THREADS doesn't improve performance with MKL2017
URL: https://github.com/apache/incubator-mxnet/issues/8456#issuecomment-355293256
 
 
   MKL does multithreading internally (also based on openmp, but not controlled by above environment variable). It has its own internal mechanism for controlling thread numbers, where the default is to use maximum number. 
   So in essence: When you link with MKL, all MKL calls are anyway maximally threaded internally. 

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