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From "Xiao-Feng Li (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-5989) [DRLVM][gc]Concurrent GC phase redesign and scheduler improvement
Date Wed, 29 Oct 2008 04:22:44 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-5989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12643408#action_12643408
] 

Xiao-Feng Li commented on HARMONY-5989:
---------------------------------------

committed in r708756 after some modifications to sync up with latest SVN.

> [DRLVM][gc]Concurrent GC phase redesign and scheduler improvement
> -----------------------------------------------------------------
>
>                 Key: HARMONY-5989
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5989
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>    Affects Versions: 5.0M7
>         Environment: Windows and Linux platform
>            Reporter: Simon.Zhou
>            Assignee: Xiao-Feng Li
>             Fix For: 5.0M7
>
>         Attachments: gc_patch_for_Tick.patch, vmcore_patch_for_Tick.patch
>
>
> Now, Tick is Concurrent GC implementation in Harmony, I improve it in 3 ways:
> 1, State-based synchronization of mutators and gc collectors.
> 2, improve the concurrent gc scheduler
> 3, fix some bugs, one is the bug for array copy, so the vmcore module should be updated
also.
> it has 18% performance speedup compared with original implementation.
> later I will upload a more detail description for this issue.

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