[Beowulf] interconnect and compiler ?
lindahl at pbm.com
Thu Jan 29 18:58:53 EST 2009
On Thu, Jan 29, 2009 at 10:28:39AM -0500, Mark Hahn wrote:
> iirc, there was only a small latency difference between HTX and PCI-E
> versions of Infinipath.
There was a big overhead difference. But the HTX product is retired,
and the current DDR PCIe Infiniband chip has overhead similar to the
I guess you must run a lot of 2-node 2-core jobs, if you're so
concerned with ping-pong latency ;-) ;-)
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