mikemccand commented on PR #13149:
URL: https://github.com/apache/lucene/pull/13149#issuecomment-2025041318

   > Do we believe that we can merge this PR and then continue with changing 
the BKD visit API in a later change, or should we try to change the abstraction 
in this PR?
   
   +1 -- PNP!
   
   > * In luceneutil, I believe that this corresponds to setting 
`taskCountPerCat` high.
   
   The nightly benchy uses `taskCountPerCat=5` -- is that enough to reveal the 
impact of this optimization?
   
   But, the nightly benchy does not `forceMerge` down to one segment, so, we 
may not have the right number of docs to use 16 or 32 bit int encoding in the 
BKD file.
   
   Actually, I don't think we should block this change on fixing nightly benchy 
to reveal its gains?  Your above `luceneutil` repro is sufficient?  I'm wary of 
allowing benchmarking to unduly hold up otherwise good Lucene changes in 
general... it's a helpful tool, not a crutch ;)


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