mikemccand commented on pull request #177:
URL: https://github.com/apache/lucene/pull/177#issuecomment-866097083


   
   > This was negotiated today 👍
   > 
   > To read the whole story check here: [openjdk/panama-foreign#555 
(comment)](https://github.com/openjdk/panama-foreign/pull/555#issuecomment-865672909)
   
   Wow, awesome!  I love that your efforts to get Lucene working well on top of 
these new Java-friendly `mmap` APIs is uncovering things to fix / iterations to 
iterate, thanks to unexpectedly slower Lucene faceting!
   
   `luceneutil` throws away first few iterations of each task to allow for 
"warmup", but I guess it was not enough here.
   
   Maybe we could fix `luceneutil` to do this more dynamically, e.g. introspect 
on when hotspot has "mostly" finished compiling the hotspots, and things have 
reached steady state, instead of the fixed "discard first N results per task"?


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