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From "Jim Yu (JIRA)" <j...@apache.org>
Subject [jira] Closed: (HARMONY-6265) [classlib][luni] Improve the performance of HashMap
Date Tue, 14 Jul 2009 02:58:14 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-6265?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jim Yu closed HARMONY-6265.
---------------------------


> [classlib][luni] Improve the performance of HashMap 
> ----------------------------------------------------
>
>                 Key: HARMONY-6265
>                 URL: https://issues.apache.org/jira/browse/HARMONY-6265
>             Project: Harmony
>          Issue Type: Improvement
>          Components: Classlib
>    Affects Versions: 5.0M10
>            Reporter: Jim Yu
>            Assignee: Tim Ellison
>             Fix For: 5.0M11
>
>         Attachments: harmony-6265-v2.patch, HARMONY-6265.diff
>
>
> Currently, Proxy.isProxyClass is used in findNonNullKeyEntry method to judge whether
a key object is a proxy object or not. However, that will degrade the performance of HashMap
since isProxyClass method is synchronized. Actually,  Proxy.isProxyClass can be removed if
we use an improved solution to support proxy object as the key.

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