AndrewZhaoLuo edited a comment on pull request #8971:
URL: https://github.com/apache/tvm/pull/8971#issuecomment-917228526


   Another topic of discussion is whether we should just allow negative indices 
to be always on. There is overhead but I believe it is very small. 
   
   I did it with an indexmod operation instead of a branch and it increased 
runtime of gather by 3% across 100 iterations and a relatively small input size 
of [3, 3, 3]


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