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https://issues.apache.org/jira/browse/LUCENE-3654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13171787#comment-13171787
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Robert Muir commented on LUCENE-3654:
-------------------------------------
where is the hotspot that requires this?
If there is many comparisons being performed somewhere, we should use a better
datastructure instead.
My vote: -1
We have everything to lose and little to gain.
> Optimize BytesRef comparator to use Unsafe long based comparison (when
> possible)
> --------------------------------------------------------------------------------
>
> Key: LUCENE-3654
> URL: https://issues.apache.org/jira/browse/LUCENE-3654
> Project: Lucene - Java
> Issue Type: Improvement
> Components: core/index, core/search
> Reporter: Shay Banon
> Attachments: LUCENE-3654.patch
>
>
> Inspire by Google Guava UnsignedBytes lexi comparator, that uses unsafe to do
> long based comparisons over the bytes instead of one by one (which yields
> 2-4x better perf), use similar logic in BytesRef comparator. The code was
> adapted to support offset/length.
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