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https://issues.apache.org/jira/browse/LUCENE-1796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12741411#action_12741411
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Robert Muir commented on LUCENE-1796:
-------------------------------------
Uwe, your patch seems to help my large doc case, although as you can see, the
numbers are still very different if i implement reusableTS() than if i do not.
With patch (reusableTS)
Total time:43373
Total time:43428
Total time:43536
Total time:42857
Total time:42835
Without patch (reusableTS)
Total time:44613
Total time:45720
Total time:45592
Total time:45445
Total time:45090
Also, with your patch the
org.apache.lucene.util.AttributeSource.getAttributeImplsIterator from
clearAttributes() is ranked 8 instead of 1 or 2 in profiling.
> Speed up repeated TokenStream init
> ----------------------------------
>
> Key: LUCENE-1796
> URL: https://issues.apache.org/jira/browse/LUCENE-1796
> Project: Lucene - Java
> Issue Type: Improvement
> Reporter: Mark Miller
> Assignee: Uwe Schindler
> Fix For: 2.9
>
> Attachments: LUCENE-1796.patch, LUCENE-1796.patch
>
>
> by caching isMethodOverridden results
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