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From "Michael McCandless (JIRA)" <>
Subject [jira] [Commented] (LUCENE-4366) Small speedups for BooleanScorer
Date Thu, 06 Sep 2012 18:35:09 GMT


Michael McCandless commented on LUCENE-4366:

The patch specializes the [private] collector BS uses to add docs to the bucket list, eg the
first clause need not check if the bucket is stale because it always is.  It sorts the clauses
first by prohibited clauses and second by smallest firstDocId (proxy for highest docFreq).
 It uses an int[] instead of linked list to track live buckets ...
> Small speedups for BooleanScorer
> --------------------------------
>                 Key: LUCENE-4366
>                 URL:
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>         Attachments: LUCENE-4366.patch

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