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From "George Timoshenko (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-2102) [drlvm][test] microbenchmark heavily utilizing volatile variables of type long (and double)
Date Fri, 08 Jun 2007 11:25:26 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-2102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

George Timoshenko updated HARMONY-2102:
---------------------------------------

    Attachment: Test.java

Here is a possible "benchmark".

It is based on Mikhail Fursov test from HARMONY-2092

Egor, do you think the test is suitable?


On this test Jrockit is about 2 times faster than DRLVM with CMPXCHG8B solution (see 2092)

> [drlvm][test] microbenchmark heavily utilizing volatile variables of type long (and double)
> -------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-2102
>                 URL: https://issues.apache.org/jira/browse/HARMONY-2102
>             Project: Harmony
>          Issue Type: Sub-task
>          Components: DRLVM
>         Environment: IA-32 (x86_64 should not have this bug)
>            Reporter: Egor Pasko
>            Priority: Minor
>         Attachments: Test.java
>
>
> microbenchmark heavily utilizing volatile variables of type long (and double) is necessary
to test the fix to HARMONY-2092 against other implementations

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