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Posted to dev@lucene.apache.org by "Michael McCandless (JIRA)" <ji...@apache.org> on 2013/04/10 16:16:16 UTC
[jira] [Commented] (LUCENE-4923) remove minShouldMatch/speed up
DisjunctionSumScorer
[ https://issues.apache.org/jira/browse/LUCENE-4923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13627826#comment-13627826 ]
Michael McCandless commented on LUCENE-4923:
--------------------------------------------
+1
> remove minShouldMatch/speed up DisjunctionSumScorer
> ---------------------------------------------------
>
> Key: LUCENE-4923
> URL: https://issues.apache.org/jira/browse/LUCENE-4923
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/query/scoring
> Affects Versions: 4.3
> Reporter: Robert Muir
> Attachments: LUCENE-4923.patch
>
>
> LUCENE-4571 added a MinShouldMatchScorer: capable of using advance() on subscorers for minShouldMatch > 1.
> However, we didn't yet cleanup the (now dead) minShouldMatch logic from DisjunctionSumScorer: which is now only used for pure disjunctions. This can also give some reasonable performance improvements for in-order collection.
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