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From "Xiao-Feng Li (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-5413) [DRLVM][Interpreter] Interpreter does not have write barrier support for generational GC
Date Tue, 22 Jan 2008 15:14:36 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-5413?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xiao-Feng Li updated HARMONY-5413:
----------------------------------

    Attachment: 01-gen-semispace.patch

> [DRLVM][Interpreter] Interpreter does not have write barrier support for generational
GC
> ----------------------------------------------------------------------------------------
>
>                 Key: HARMONY-5413
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5413
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>         Environment: All
>            Reporter: Xiao-Feng Li
>            Priority: Critical
>         Attachments: 01-gen-semispace.patch
>
>
> I am now enabling generational semispace GC as the default GC to replace current Harmony
GCv5 (the new GC brings big performance boost). Unfortunately I found our interpreter doesn't
fully support write barrier as JIT does. This makes the tests under interpreter mode easily
fail. Since the new GC is critical for DRLVM performance, it would be desirable if the interpreter
write barrier support could be enabled as soon as possible. 
> To use gen mode semispace GC, please apply the 01-gen-semispace.patch to gc_gen/ directory.

> Thanks!

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