[Beowulf] interconnect and compiler ?

Greg Lindahl 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
HTX chip.

I guess you must run a lot of 2-node 2-core jobs, if you're so
concerned with ping-pong latency ;-) ;-)

-- greg




_______________________________________________
Beowulf mailing list, Beowulf at beowulf.org
To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf

-- 
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.



More information about the Beowulf mailing list