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From "Aleksey Shipilev (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-5906) [classlib][pack200][performance] ClassConstantPool optimizations
Date Fri, 11 Jul 2008 17:02:31 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-5906?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aleksey Shipilev updated HARMONY-5906:
--------------------------------------

    Attachment: pack200-constantpool-v2.patch

pack200-constantpool-v2.patch
 - eliminates double-check in set at CCP.add()
 - eliminates mustStartClassPool and stores the atStart property in parent class
 - eliminates double traversing of nestedEntries array in CCP.addNested()
 - merges initializeIndexCache in sorting, eliminating redundant map lookups and array traversing
 - eliminates double resolving in CCP.resolve()

This patch successfully passes JUnit tests for pack200.

> [classlib][pack200][performance] ClassConstantPool optimizations
> ----------------------------------------------------------------
>
>                 Key: HARMONY-5906
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5906
>             Project: Harmony
>          Issue Type: Improvement
>          Components: Classlib
>            Reporter: Aleksey Shipilev
>         Attachments: pack200-constantpool-v2.patch
>
>
> The first-stage optimization of ClassConstantPool.

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