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From "Dmitry Pronichkin (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-5231) [drlvm][gc_gen] Implementing allocation prefetch and memset in java GC helpers
Date Tue, 04 Dec 2007 18:03:44 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-5231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12548329

Dmitry Pronichkin commented on HARMONY-5231:

Previous patch was corrected as Ilya suggested. Additional change is ceiling alignment to
64 bytes which gives small boost and allows to use fast and compact memset.

Ceiling alignment should be done in gc_thread.h as well.

Please review these changes.


> [drlvm][gc_gen] Implementing allocation prefetch and memset in java GC helpers
> ------------------------------------------------------------------------------
>                 Key: HARMONY-5231
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5231
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>         Environment: 32-bit
>            Reporter: Rustem Rafikov
>            Assignee: Xiao-Feng Li
>         Attachments: GC_java_helpers.patch, gc_magics-gc_part.patch, Native_ceiling_alignment.patch
> Hi, 
> The attached patch adds allocation prefetch and memset support to GC java helpers.
> The patch introduces alloc_zeroing method to GCHelper to put the first version into SVN.

> It does not change existing helper while the new one is implemented in optimal way. 
> Only after this old version will be switched. 
> --
> Thanks,
> Rustem

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