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Date: Mon, 3 Mar 2008 05:46:50 -0800 (PST)
From: "Pavel Pervov (JIRA)" <jira@apache.org>
To: commits@harmony.apache.org
Subject: [jira] Commented: (HARMONY-5539) [drlvm][vmcore] Updated
 class-unloading with less weak roots
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    [ https://issues.apache.org/jira/browse/HARMONY-5539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12574500#action_12574500 ] 

Pavel Pervov commented on HARMONY-5539:
---------------------------------------

Chunrong,

it's neat tweak to update vtable roots after GC. Patch is ok.

> [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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