[Beowulf] torus versus (fat) tree topologies

[Patrick Geoffray]

Chris Sideroff wrote:
>   Another thing I'm looking at is the hardware vendors experience with
> Fluent.  Since, there is no option of tuning the code it is quite
> important that the vendor have had some experiences with other customers
> using it.  And even better, if the technicians are willing to provide
> support for Fluent with their product.  Dolphin has been _extremely_
> helpful in this respect, providing an SCI cluster for me to test Fluent
> and offering suggestions for running it (thanks Simen).

Most cluster resellers provides access to testbeds and Fluent is a very 
popular applications. At 32 nodes, I don't expect the Fluent performance 
to be much different between most HPC interconnects. Price and practical 
reasons would be the decisive factors here, IMHO.

Patrick
-- 

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