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From "Simon.Zhou (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-5989) [DRLVM][gc]Concurrent GC phase redesign and scheduler improvement
Date Fri, 26 Sep 2008 09:31:44 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-5989?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Simon.Zhou updated HARMONY-5989:
--------------------------------

    Attachment: gc_patch_for_Tick.patch
                vmcore_patch_for_Tick.patch

Tick is ready. 
I will attach a detailed descripton later.

> [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
>             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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