jpountz commented on PR #14203:
URL: https://github.com/apache/lucene/pull/14203#issuecomment-2649210893

   Thanks for looking into it. Were you able to confirm that the difference 
with the variable count is indeed that auto-vectorization not getting enabled 
as opposed to something else such as different loop unrolling? I'm curious if 
you can compare the produced assembly and/or trick the JVM into generating more 
efficient code by writing the loop a bit differently, e.g. by having a 
fixed-size inner loop?


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