Robert Muir created LUCENE-7268:
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Summary: Remove ArrayUtil.timSort?
Key: LUCENE-7268
URL: https://issues.apache.org/jira/browse/LUCENE-7268
Project: Lucene - Core
Issue Type: Improvement
Reporter: Robert Muir
Is there some workload where our timSort is better than the JDK one? Should we
just remove ours if its slower?
Not that its a great test, but i switched Polygon2D edge sorting (just the one
where it says "sort the edges then build a balanced tree from them") from
Arrays.sort to ArrayUtil.timSort and was surprised when performance was much
slower for an enormous polygon
(http://people.apache.org/~mikemccand/geobench/cleveland.poly.txt.gz)
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