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Date: Wed, 26 Aug 2009 05:39:59 -0700 (PDT)
From: "Hudson (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
Subject: [jira] Commented: (HADOOP-6166) Improve PureJavaCrc32
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    [ https://issues.apache.org/jira/browse/HADOOP-6166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12747916#action_12747916 ] 

Hudson commented on HADOOP-6166:
--------------------------------

Integrated in Hadoop-Common-trunk #70 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-Common-trunk/70/])
    . Further improve the performance of the pure-Java CRC32
implementation. Contributed by Tsz Wo (Nicholas), SZE


> Improve PureJavaCrc32
> ---------------------
>
>                 Key: HADOOP-6166
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6166
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: util
>    Affects Versions: 0.21.0
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>             Fix For: 0.21.0
>
>         Attachments: c6166_20090722.patch, c6166_20090722_benchmark_32VM.txt, c6166_20090722_benchmark_64VM.txt, c6166_20090727.patch, c6166_20090728.patch, c6166_20090810.patch, c6166_20090811.patch, c6166_20090819.patch, c6166_20090819review.patch, graph.r, graph.r, Rplots-laptop.pdf, Rplots-nehalem32.pdf, Rplots-nehalem64.pdf, Rplots.pdf, Rplots.pdf, Rplots.pdf
>
>
> Got some ideas to improve CRC32 calculation.

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