[Beowulf] Which is better; 4 Mountains or 5 Hills

Douglas Eadline deadline at clustermonkey.net
Sat Mar 31 22:22:09 EDT 2007


These types of questions are the same as "how tall is a building?"

It all depends on what you want to do.

Rather than have Robert rehash his lesson, you can find
a write-up here:

http://www.clustermonkey.net//content/view/190/32/

--
Doug


> Hi All,
>
> Which one of the following two choices are better (assuming both
> clusters have nearly same cost):
>
> 1) A 4-node cluster having 8 AMD Opteron of 2.6GHz each and 2GB RAM/node
>
> 1) A 5-node cluster having 10 AMD Opteron of 2.2GHz each and 2GB RAM/node
>
> Consider GiGE (max 1000mbps) as the interconnect.
> Is there any significant performance difference between the two?
>
> Does the compasison depends on the MPI communication among nodes, for
> a given application?
>
> Thanking all in anticipation.
> Regards.
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> 
>


--
Doug
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