[Beowulf] How to configure a cluster network

Peter St. John peter.st.john at gmail.com
Fri Jul 25 09:19:30 PDT 2008

My plan (like an ant contemplating eating an elephant but...) is for the
self-adapting application to optimize not just itself (which it does
already) but it's platform (which is imaginable in a complex network). So
yes, I want intelligence at the node; I want a node to decide rationally
that certain tasks for certain compuational categories of applications
should be sent to certain other nodes on the basis of their proximity,
current and maybe anticipated workload, and ram/disk/cores/interconnectivity
configuation, if that is mixed. But it's just a vague plan atm.

On 7/25/08, Mark Hahn <hahn at mcmaster.ca> wrote:
> It is my sacred duty to rescue hypercube topology. Cool Preceeds Coolant
>> :-)
> I agree HC's are cool, but I think they fit only a narrow ecosystem:
> where you don't mind lots of potentially long wires, since higher
> dimensional
> fabrics are kind of messy in our low-dimensional universe.  also, HC's
> assume intelligent routing on the vertices, so you've got to make the
> routing overhead low relative to the physical hop latency.
> it does seem like there is some convergence to using rings onchip,
> fully connected graphs within a node and fat trees inter-node.
> one unifying factor is that these are all point-to-point topologies...
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