[jira] Commented: (HARMONY-5369) Mark Prefetch for GCv5

["Xiao-Feng Li (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HARMONY-5369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12560687#action_12560687 ] 

Xiao-Feng Li commented on HARMONY-5369:
---------------------------------------

02 patch was committed in r613384

> 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
>            Assignee: Xiao-Feng Li
>         Attachments: mark-prefetch-02.patch, 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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