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From "Chen Yang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-5369) Mark Prefetch for GCv5
Date Fri, 04 Jan 2008 11:04:34 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-5369?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chen Yang updated HARMONY-5369:
-------------------------------

    Attachment: mark_prefetch.patch

Software Prefetch in marking ( mainly minor, one major prefetch).
May need adjust the prefetch_distance to get best result.

> Mark Prefetch for GCv5
> ----------------------
>
>                 Key: HARMONY-5369
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5369
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>         Environment: Windows 32/Linux x86/Windows 64/Linux x64
>            Reporter: Chen Yang
>         Attachments: mark_prefetch.patch
>
>
> Software prefetch in marking does help improve performance, for my Core 2 based desktop
system, compared with configuration with and without allocation prefetch, mark prefetch can
provide about 1% performance improvement. 

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