Adrien Grand created LUCENE-10145:
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Summary: Use VarHandles to speedup byte[] comparisons in some cases
Key: LUCENE-10145
URL: https://issues.apache.org/jira/browse/LUCENE-10145
Project: Lucene - Core
Issue Type: Improvement
Reporter: Adrien Grand
I noticed that using Long#compareUnsigned on longs read via VarHandles is
significantly faster than calling compareUnsigned directly. There are cases
when this could be leveraged easily such as BKDWriter, which often keeps
comparing 4-bytes or 8-bytes across byte[] arrays.
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