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From "Sian January (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HARMONY-5907) [classlib][pack200]CPUTF8.hashCode() is slow
Date Tue, 15 Jul 2008 12:33:32 GMT

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

Sian January resolved HARMONY-5907.
-----------------------------------

       Resolution: Fixed
    Fix Version/s: 5.0M7

Applied Andrew's patch at r676866. Please check that it was applied as expected.

> [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
>            Assignee: Sian January
>             Fix For: 5.0M7
>
>         Attachments: main.patch, pack200-hashcodes-v1.patch, pack200-hashcodes-v2.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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