[Beowulf] torus versus (fat) tree topologies

xiang corperl-beowulf at yahoo.com.cn
Mon Nov 15 16:50:08 PST 2004


Greg, 

Could you tell me the web address of low-latency fat examples ? 

3x in advance. 

gnib 

 --- Greg Lindahl <lindahl at pathscale.com> µÄÕýÎÄ£º
> On Mon, Nov 08, 2004 at 11:45:12PM -0500, Chris Sideroff wrote:
> 
> >   I have had the luxury of testing an SCI 2D torus cluster and found 
> > latency performance to be exceptional.
> 
> Right. So is that a feature of the NIC, or a feature of the torus
> instead of a fat tree/CLOS/CBB network? Answer: the NIC.
> 
> There are several examples of low-latency fat tree/CLOS/CBB networks.
> 
> -- greg
> 
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