[Beowulf] Register article on Opteron - disagree
shaeffer at neuralscape.com
Sun Nov 21 22:56:58 PST 2004
On Mon, Nov 22, 2004 at 12:57:35AM -0500, Joe Landman wrote:
> EM64t uses the same northbridge/southbridge design as the Xeon. This
> means that multiprocessors are going to be not very good in SMP
> performance, just like the Xeon's (and I am sure some folks will
> disagree, but I am thinking of memory bandwidth hungry apps). The
> chipset is the bottleneck.
> I am not sure what impact Nocona will have. I reserve judgement until
> I get to see one/play with one, and see its future path. Lots of
> interesting conversations were had at SC. The quote from Mark Twain may
> be apt. If a Nocona follow-on follows the design of the Opteron (IOMMU
> and HT, among other things), then things could get quite interesting.
These folks published some recent (workstation) data.
Neuralscape, Palo Alto, Ca. 94306
shaeffer at neuralscape.com http://www.neuralscape.com
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