[jira] Updated: (HARMONY-6258) [DRLVM][GC] Adding weak references support to concurrent GC

["Simon.Zhou (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HARMONY-6258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Simon.Zhou updated HARMONY-6258:
--------------------------------

    Attachment: tick_weakref_patch_V1.patch

in this version, 
2 versions of get() barrier have been implemented. one is using JNI, the other is using vmmagic for better performance.
weak/soft reference processing has been implemented, the last marker thread will do this job concurrently.


> [DRLVM][GC] Adding weak references support to concurrent GC
> -----------------------------------------------------------
>
>                 Key: HARMONY-6258
>                 URL: https://issues.apache.org/jira/browse/HARMONY-6258
>             Project: Harmony
>          Issue Type: New Feature
>          Components: DRLVM
>    Affects Versions: 5.0M10
>         Environment: Windows and Linux
>            Reporter: Simon.Zhou
>             Fix For: 5.0M11
>
>         Attachments: tick_weakref_patch_V1.patch
>
>
> Tick is a concurrent GC which has been implemented in DRLVM. this patch adding the feature of supporting weak reference to it.
> weak/soft references are processing concurrently, while finalizable objects and phantom references are handled in a stop-the-world phase at the moment.

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