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From "Robert Hu (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-4051) [classlib][luni] Performance improvement of java.util.BitSet
Date Thu, 07 Jun 2007 03:26:26 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-4051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12502195
] 

Robert Hu commented on HARMONY-4051:
------------------------------------

Sorry.
The problem is fixed, and the patch file "HARMONY-4051.diff" is replaced with the new version.
Pls. try the updated patch.
Thanks a lot!

> [classlib][luni] Performance improvement of java.util.BitSet
> ------------------------------------------------------------
>
>                 Key: HARMONY-4051
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4051
>             Project: Harmony
>          Issue Type: Improvement
>          Components: Classlib
>            Reporter: Robert Hu
>            Assignee: Tim Ellison
>         Attachments: BitSetTest.golden.ser, HARMONY-4051.diff, patch.sh
>
>
> The performance of java.util.BitSet can be improved.
> After some modification, the performance is improved:
> By running unit test of BitSet for 2000 times,  the time can be reduced from 40.671s
to 39.813s.
> At the same time, this improvement also fix a problem of serialization.
> Some test cases were also added, to ensure the correctness of improvement.

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