infiniband pricing (and performance)

[James Cownie]

Mark Hahn wrote :-

> seriously, though, does anyone have experience with IB?  whenever I look
> at IB docs, I get stopped cold by the nasty overlayering.  does 4x have 
> enough thrust to make such things fly in the <10 us latency market?

At SC last month there were some folks from Ohio State who had an IB
cluster on the show floor. They're claiming some relatively good
numbers (the high long-message bandwidth helps, of course, but their
printed handout also claims ~8uS latency, though the web site below
says 11.6 :-( ). 

  http://nowlab.cis.ohio-state.edu/projects/mpi-iba/

-- Jim 

James Cownie	<jcownie at etnus.com>
Etnus, LLC.     +44 117 9071438
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