[Beowulf] 1.2 us IB latency?
landman at scalableinformatics.com
Tue Mar 27 16:35:37 PDT 2007
Peter Kjellstrom wrote:
>> also, I'm sorta amazed people keep selling (and presumably buying)
>> dual-port IB cards. doesn't that get quite expensive, switch-wise?
> Not defending them but, It could possibly maybe be useful if you have a
> stand-alone IB net for, say, storage or something else not mpi. Also, it's
> not like they're that much more expensive than single port ones...
They aren't terrible. The dual port cards can be good for multi-path to
IB connected storage. Similar to multi-connected FC, but a bit faster.
Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics LLC,
email: landman at scalableinformatics.com
web : http://www.scalableinformatics.com
phone: +1 734 786 8423
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