HUSTERGS commented on PR #14896:
URL: https://github.com/apache/lucene/pull/14896#issuecomment-3091463045

   > In general, the slowdowns are tiny, so I don't think we need to revert, 
this would likely still help when AVX512 is available?
   
   Sorry about that, I just found that the nightly benchmark runs on an AVX2 
env. 
   
   > Maybe we can do something about it? Either by detecting the case when the 
leading clause produces 0 scores since there's nothing to filter, or/and by 
looking optimizing vectorized filtering in this case?
   
   I'll try to look into this issue these days, maybe we should first change 
the default behavior to only enable the vectorized filter only when AVX512 is 
available ?
   
   > We need to make sure that it is avx512. Can we dete t this with Default 
Vectorsize 512?
   
   Yeah, VectorSize can certainly help with this
   
   


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