abreis commented on pull request #9454:
URL: https://github.com/apache/arrow/pull/9454#issuecomment-782765105


   @alamb Thanks, this should be good to go now.
   
   I want to point out that the latest benchmarks 
(https://github.com/apache/arrow/pull/9454#discussion_r579719800) suggest that 
the compiler's auto-vectorized code might be ~2-5% faster than our own SIMD 
implementation of this particular method. I have little experience with 
high-performance code though, so I can't say whether that will always be the 
case.


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