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https://issues.apache.org/jira/browse/LUCENE-6308?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14376249#comment-14376249
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Robert Muir commented on LUCENE-6308:
-------------------------------------
Also, I ran very quick and dirty benchmarks, there are no performance
regressions here. I saw small (5-10%) improvements when i benchmarked. I also
tried benchmarking when using filters, but saw the same 5-10% in that case.
I can try to look into it more, maybe something is not yet optimal about the
two-phase iteration (improvements were much higher for phrase/sloppy when a
filter was involved). It could also easily be the fact that our benchmarking
support for spans is very limited.
> SpansEnum, deprecate Spans
> --------------------------
>
> Key: LUCENE-6308
> URL: https://issues.apache.org/jira/browse/LUCENE-6308
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/search
> Affects Versions: Trunk
> Reporter: Paul Elschot
> Priority: Minor
> Attachments: LUCENE-6308-changeapi.patch, LUCENE-6308.patch,
> LUCENE-6308.patch, LUCENE-6308.patch, LUCENE-6308.patch, LUCENE-6308.patch,
> LUCENE-6308.patch
>
>
> An alternative for Spans that looks more like PositionsEnum and adds two
> phase doc id iteration
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