pitrou commented on issue #37559:
URL: https://github.com/apache/arrow/issues/37559#issuecomment-1876762088

   > do we have a PR for BMI now
   
   Please, stop obsessing over BMI or other "magical" optimization methods 
(which SIMD instructions are often viewed as). The correct way to reason about 
this should be 1) find bottlenecks 2) find portable methods to optimize them 3) 
only as a last resort, consider SIMD optimizations.


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