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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-6166) Improve PureJavaCrc32
Date Thu, 19 Jul 2012 17:46:37 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-6166?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suresh Srinivas updated HADOOP-6166:
------------------------------------

    Component/s: performance
    
> Improve PureJavaCrc32
> ---------------------
>
>                 Key: HADOOP-6166
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6166
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: performance, util
>    Affects Versions: 0.21.0
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>             Fix For: 0.21.0
>
>         Attachments: Rplots-laptop.pdf, Rplots-nehalem32.pdf, Rplots-nehalem64.pdf, Rplots.pdf,
Rplots.pdf, Rplots.pdf, 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
>
>
> Got some ideas to improve CRC32 calculation.

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