[Beowulf] Advice on 4 CPU node configurations
Craig.Tierney at noaa.gov
Mon Feb 7 08:31:21 PST 2011
On 2/7/11 8:10 AM, Robert Horton wrote:
> On Thu, 2011-02-03 at 09:45 +0000, Hearns, John wrote:
>> Also look at ScaleMP and Numascale
>> Here's a damn good article from Doug Eadline:
>> I must admit though I don't know how far a budget of 30K takes you
> My understanding is that the Numascale cards cost "a bit more" than IB
> cards but you don't need a switch (it's a 3D taurus I think) so it would
> be worth looking into.
Numascale was born out of the Dolphinics Interconnect. The interconnect
already provided cach-coherent global shared memory, so they worked on making
it work at the node level. The unique feature of this card is that it never
required a switch, and the topology was a Torus. You could buy 2D or 3D
versions. The maximum scale back then was 12 nodes in a dimension. How
this works out with Numascale, I don't know.
I think evaluation systems are out in the wild and the are supposedly
really close to having something for sale.
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