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From "Aleksey Shipilev (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-5735) [drlvm][kernel][performance] ThreadLocal.get lookup optimization
Date Tue, 15 Apr 2008 14:03:04 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-5735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aleksey Shipilev updated HARMONY-5735:
--------------------------------------

    Attachment: vm-thread-threadlocal-rc1.patch

vm-thread-threadlocal-rc1.patch
Clean patch.

Gives +95% boost to MT/ThreadLocalBench on 2-core Core2Duo.

> [drlvm][kernel][performance] ThreadLocal.get lookup optimization
> ----------------------------------------------------------------
>
>                 Key: HARMONY-5735
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5735
>             Project: Harmony
>          Issue Type: Sub-task
>            Reporter: Aleksey Shipilev
>         Attachments: vm-thread-threadlocal-rc1.patch
>
>
> Thread.getThreadLocal performs double lookup in most frequent case when threadlocal value
is already not null.

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