larroy commented on a change in pull request #15545: Softmax optimization for 
GPU
URL: https://github.com/apache/incubator-mxnet/pull/15545#discussion_r315953443
 
 

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 File path: src/operator/nn/softmax-inl.h
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 @@ -301,7 +282,7 @@ __global__ void softmax_compute_kernel(DType *in, OType 
*out, index_t M, int axi
 
   red::sum::SetInitValue(smem[x]);
 
 Review comment:
   Does have multiple max values affect numerical accuracy? Or are they reduced 
at some other point to a final max?

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