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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2018/10/26 22:26:51 UTC

[GitHub] masahi opened a new issue #12990: [MKL-DNN] Enabling Winograd algorithm for AVX 512?

masahi opened a new issue #12990: [MKL-DNN] Enabling Winograd algorithm for AVX 512?
URL: https://github.com/apache/incubator-mxnet/issues/12990
 
 
   Hi, I am trying MXNet + MKL-DNN on an AVX 512 capable machine. 
   
   Looking at the code in mkldnn_convolution.cc, I'm assuming that MXNet always choose a direct algorithm for mkl-dnn convolution (by specifying  mkldnn::algorithm::convolution_direct). But MKL-DNN implements Winograd algo for AVX 512, and it should be much faster than direct algo when applicable. 
   
   Why not enable it if there is a support for AVX 512? @pengzhao-intel @TaoLv 

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