[Beowulf] Which Xeon supports NUMA?

John Leidel john.leidel at gmail.com
Tue Mar 18 15:50:30 EDT 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
> _______________________________________________
> Beowulf mailing list, Beowulf at beowulf.org
> To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf

_______________________________________________
Beowulf mailing list, Beowulf at beowulf.org
To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf

!DSPAM:47e01d3d315082071360113!



More information about the Beowulf mailing list