[geeks] anyone know about this? 72-core, 48GB computer?

[Patrick Giagnocavo]

Mike Meredith wrote:
> On Thu, 1 Oct 2009 20:07:10 +0200, gsm at mendelson.com wrote:
>> On Thu, Oct 01, 2009 at 01:32:50PM -0400, Joshua Boyd wrote:
>>> I don't think that the SC machines are single system image.  I think
>>> they run an image for every 6 processors.  I don't know that for
> 
> A quick look at the spec sheet indicates that no it's not a single
> system image, but it seems to do the management of the nodes in a
> sensible way ... enough that it's a little more interesting than a
> standard beowulf cluster.
> 

What I understand based on the PDF I read, they use MPI, which is a
standard Message Passing Interface.  Of course, MPI will have latency
issues on certain workloads, thus the custom low-latency interconnect.

--Patrick