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From "Nathan Beyer (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HARMONY-5829) [drlvm][kernel][performance] j.l.Class Serializable/Externalizable caching
Date Sun, 25 May 2008 04:17:55 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-5829?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nathan Beyer resolved HARMONY-5829.
-----------------------------------

       Resolution: Fixed
    Fix Version/s: 5.0M7

I've applied a modified version of the third patch at r659908 and r659909. Please verify that
it was applied as expected.

> [drlvm][kernel][performance] j.l.Class Serializable/Externalizable caching
> --------------------------------------------------------------------------
>
>                 Key: HARMONY-5829
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5829
>             Project: Harmony
>          Issue Type: Sub-task
>          Components: DRLVM
>            Reporter: Aleksey Shipilev
>            Assignee: Nathan Beyer
>             Fix For: 5.0M7
>
>         Attachments: vm-kernel-serializable-externalizable-cache-rc1.patch, vm-kernel-serializable-externalizable-cache-rc2.patch,
vm-kernel-serializable-externalizable-cache-rc3.patch
>
>
> Serialization workloads relies on Class.isAssignableFrom(...) when looking up Serializable
and Externalizable properties (that is, implementation of interfaces). For now, DRLVM kernel
classes perform lookups on each invocation. This issue caches the mentioned properties in
Class fields and does not go to native VMClassRegistry for resolution.

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