rmuir commented on PR #12731:
URL: https://github.com/apache/lucene/pull/12731#issuecomment-1785549757

   > I think the Panama API should allow the user to figure out how many 
parallel units are available to somehow dynamically split work correctly.
   
   I'm not even sure openjdk/hotspot knows this or even attempts to approximate 
it? It never deals with `-ffast-math`-style optimizations that would make use 
of it, due to its floating point restrictions, right?
   
   but knowing the CPU info/model would help. then at least folks can at least 
do it themselves.


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