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From "Sian January (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HARMONY-5575) [classlib][pack200] Pack200 is slow adding to classpool
Date Thu, 06 Mar 2008 16:22:57 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-5575?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Sian January resolved HARMONY-5575.

       Resolution: Fixed
    Fix Version/s: 5.0M6

Patch applied at r634333.  Please check that this fully resolves your issue.

> [classlib][pack200] Pack200 is slow adding to classpool
> -------------------------------------------------------
>                 Key: HARMONY-5575
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5575
>             Project: Harmony
>          Issue Type: Improvement
>          Components: Classlib
>         Environment: All pack200
>            Reporter: Andrew Cornwall
>            Assignee: Sian January
>             Fix For: 5.0M6
>         Attachments: main.patch
> There are performance issues with Pack200. The real problem is probably the fact that
I'm creating lots of garbage in the comparators, but some of that can be alleviated by deferring
the sort until after all the ClassFileEntries are known.
> This patch defers the sort.  It reduces the runtime of the JUnit tests from 12.812 seconds
to 7.359 seconds, which is not insignificant.
> (Unfortunately, this patch also appears to have changed existing tabs to spaces, so it's
larger than it should be.)

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