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Subject [GitHub] [incubator-mxnet] TaoLv commented on issue #16891: Upgrading MKLDNN to 1.0 causes performance regression.
Date Thu, 12 Dec 2019 02:09:32 GMT
TaoLv commented on issue #16891: Upgrading MKLDNN to 1.0 causes performance regression.
URL: https://github.com/apache/incubator-mxnet/issues/16891#issuecomment-564817678
 
 
   @vpirogov @samskalicky Although MKL BLAS may also have positive impact to the case demonstrated
above, I think the main gap is from different OMP runtimes. Setting `USE_BLAS=mkl` will help
to pull in iomp5. Sure I'm going to replace `cblas_sgemm` and `cblas_sgemm_batch` with the
MatMul primitive from DNNL once it's release, but I don't think that will help to fill the
gap between gomp and iomp5.
   
   @samskalicky The code you referred will not be called in the ResNet18 case. Most of the
computation in ResNet18 should go to DNNL.

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