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From "Chunrong Lai (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-5539) [drlvm][vmcore] Updated class-unloading with less weak roots
Date Thu, 21 Feb 2008 07:42:50 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-5539?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chunrong Lai updated HARMONY-5539:
----------------------------------

    Attachment: cu.reducedweakroots.patch

 
 Here is the patch. Please verify.

> [drlvm][vmcore] Updated class-unloading with less weak roots
> ------------------------------------------------------------
>
>                 Key: HARMONY-5539
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5539
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>         Environment: Any
>            Reporter: Chunrong Lai
>         Attachments: cu.reducedweakroots.patch
>
>   Original Estimate: 0.33h
>  Remaining Estimate: 0.33h
>
>  Current class unloading implementation uses weak roots to communicate with VM <->
GC which introduce space penalty and copying overhead, as discussed in HARMONY-4477.
>  Attached patch reduces the weak roots with an extra loop in VM to update the pointers.

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