alippai commented on issue #34510:
URL: https://github.com/apache/arrow/issues/34510#issuecomment-1463868182

   2x allocation / comp time for rep/dev levels compared to the array values 
sounds excessive as well (and it could be optimized to use a single static 
value, right?)
   
   I agree what you’ve found is the main reason and also I share your suspicion 
that it’s still too slow and there might be other reasons or replevels cascade 
somehow into even worse perf :)


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