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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