[Beowulf] torus versus (fat) tree topologies

Keith Murphy kmurphy at dolphinics.com
Mon Nov 15 23:23:03 EST 2004


Another shameless
plug!http://www.dolphinics.com/products/software/sci_sockets.html


Kindest Regards

Keith Murphy
Dolphin Interconnect
818-292-5100
kmurphy at dolphinics.com
www.dolphinics.com
----- Original Message ----- 
From: "Ashley Pittman" <ashley at quadrics.com>
To: <corperl-beowulf at yahoo.com.cn>
Cc: <Beowulf at beowulf.org>
Sent: Tuesday, November 16, 2004 3:08 AM
Subject: Re: [Beowulf] torus versus (fat) tree topologies


> On Tue, 2004-11-16 at 08:50 +0800, xiang wrote:
> > Greg,
> >
> > Could you tell me the web address of low-latency fat examples ?
>
> A shameless plug but I believe we are the lowest latency fat tree
> network.  I have seen as little as 1.38 MPI latency although it's very
> dependant on node-type.
>
> http://www.quadrics.com/
>
> Here is the top500 page for one of the big systems:
>
> http://www.top500.org/sublist/System.php?id=6762
>
> Ashley,
>
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