[Beowulf] Which Xeon supports NUMA?
John Leidel
john.leidel at gmail.com
Tue Mar 18 12:50:30 PDT 2008
This should be an option in your kernel. Check to see if you have this
enabled [assuming you are running some sort of Linux varient]
On Tue, 2008-03-18 at 20:35 +0100, Carsten Aulbert wrote:
> Hi,
>
> given that many core Xeons (especially quad and/or many socket systems)
> have some memory speed issues. With NUMA the kernel seems to be able to
> optimize this somehow. However, I have two questions:
>
> (1) Which EM64T Xeon supports NUMA? I've searched a bit, but I have not
> found a definitive answer so far. Is this visible from /proc/cpuinfo?
>
> (2) More importantly, has someone measured (how?) if this improves
> performance?
>
> Thanks for a brief answer
>
> Carsten
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