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From "Albert Lee (JIRA)" <j...@apache.org>
Subject [jira] Updated: (OPENJPA-1113) Reflection class performance improvement
Date Mon, 01 Jun 2009 18:47:07 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-1113?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Albert Lee updated OPENJPA-1113:
--------------------------------

    Patch Info: [Patch Available]

> Reflection class performance improvement
> ----------------------------------------
>
>                 Key: OPENJPA-1113
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1113
>             Project: OpenJPA
>          Issue Type: Improvement
>          Components: kernel
>    Affects Versions: 2.0.0
>            Reporter: Albert Lee
>            Assignee: Albert Lee
>             Fix For: 2.0.0
>
>         Attachments: OPENJPA-1113.patch
>
>
> A recent performance measurement of a benchmark using trunk release revealed a significant
performance degradation in some execution path. One of the area that get hit is the use of
Reflection.
> This Jira is used to address this shortcoming by caching the repeatedly use Method objects.
With this approach, a 17% improvement was observed.
> Albert Lee.

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