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May 2007

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Sender:
Mailling list for Scientific Linux users worldwide <[log in to unmask]>
Date:
Thu, 24 May 2007 10:41:09 -0400
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Subject:
Re: strange performance on AMD dual core
From:
"Rochelle Lauer, Yale Univ Physics" <[log in to unmask]>
In-Reply-To:
"Your message dated Tue, 22 May 2007 13:23:00 -0500 (CDT)" <[log in to unmask]>
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To: Connie Sieh <[log in to unmask]>
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Hi 

I believe Connie was correct 

>>Numa can be involved in performance issues.  If you have numa and it is on
>>try turning it off and rerun your tests.

This chip is a NUMA chip and that would definitely explain
all the issues we have been seeing.

Thanks Connie for the insight !

Regards
Rochelle

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