[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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