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From "Robert Muir (JIRA)" <>
Subject [jira] [Commented] (LUCENE-7268) Remove ArrayUtil.timSort?
Date Sun, 01 May 2016 20:33:12 GMT


Robert Muir commented on LUCENE-7268:

I dont know. Afaik javadocs are the spec. But it relates to why i was looking at our timsort...
to be explicit this is the sort to use, since we have reasons for this case.

> Remove ArrayUtil.timSort?
> -------------------------
>                 Key: LUCENE-7268
>                 URL:
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Robert Muir
>         Attachments: LUCENE-7268_mods.patch
> 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 (

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