[Beowulf] torus versus (fat) tree topologies

[Patrick Geoffray]

Greg Lindahl wrote:
> On Tue, Nov 16, 2004 at 08:50:08AM +0800, xiang wrote:
> 
> 
>>Greg, 
>>
>>Could you tell me the web address of low-latency fat examples ? 
> 
> 
> There are two major ones: Quadrics, which has a low latency nic and
> switch, and my company's newly announced InfiniPath, which has a low
> latency nic and uses standard Infiniband switches, which are a bit
> higher latency than Quadrics' switches.

Which latency number qualify for the "low-latency fat" club ?

Patrick
-- 

Patrick Geoffray
Myricom, Inc.
http://www.myri.com