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Date: Fri, 4 Jan 2008 03:04:34 -0800 (PST)
From: "Chen Yang (JIRA)" <jira@apache.org>
To: commits@harmony.apache.org
Subject: [jira] Updated: (HARMONY-5369) Mark Prefetch for GCv5
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     [ 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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