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Posted to commits@harmony.apache.org by "Andrew Cornwall (JIRA)" <ji...@apache.org> on 2008/07/11 22:48:31 UTC

[jira] Updated: (HARMONY-5907) [classlib][pack200]CPUTF8.hashCode() is slow

     [ https://issues.apache.org/jira/browse/HARMONY-5907?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Cornwall updated HARMONY-5907:
-------------------------------------

    Attachment: main.patch

main.patch includes change to CPUTF8.java


> [classlib][pack200]CPUTF8.hashCode() is slow
> --------------------------------------------
>
>                 Key: HARMONY-5907
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5907
>             Project: Harmony
>          Issue Type: Improvement
>    Affects Versions: 5.0M6
>         Environment: Latest pack200
>            Reporter: Andrew Cornwall
>         Attachments: main.patch
>
>
> The unpack process spends a lot of time doing CPUTF8.hashCode() - which does String.hashCode(). We can save about 1.5 seconds of my 39 second test case (about 4%) by caching the hashCode. (I thought we did this before - or maybe I dreamt it?)

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