[Beowulf] ARM cpu's and development boards and research

Mark Hahn hahn at mcmaster.ca
Fri Nov 30 13:45:10 PST 2012


>> (one rack of BGQ is 32k cores.)
>
> Just 16K cores a rack I'm afraid, otherwise I'd have to start asking
> IBM what happened to the other 64K cores in our four rack BG/Q.. ;-)

thanks - I've never seen one.  I know 16k units are possible,
and I don't doubt you're right about their rackiness.
but I thought the 16k unit was considered sort of non-unit/fractional - 
does it being that size mean a dimension of the interconnect mesh
is unpopulated or something?

thanks, mark hahn.


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