[GitHub] [incubator-mxnet] rongzha1 commented on issue #14858: add_n operator with MXNet-MKL producing wrong results when input count >4

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rongzha1 commented on issue #14858: add_n operator with MXNet-MKL producing wrong results when input count >4
URL: https://github.com/apache/incubator-mxnet/issues/14858#issuecomment-489435146
 
 
   add_n output mem overlap with input mem (due to FInplaceOption), but in Forward function : ElementwiseSumContainsDnsImpl( ),  output mem was set_zero which makes input zero:     Kernel<set_zero, cpu>::Launch(s, out_data.Size(), out_data.dptr<DType>());
   
   In fact, this is not a MKLDNN Bug.
   
   @pengzhao-intel @zheng-da @TaoLv 

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