[Beowulf] evaluating FLOPS capacity of our cluster
rpnabar at gmail.com
Mon May 11 16:07:36 EDT 2009
On Mon, May 11, 2009 at 12:23 PM, Gus Correa <gus at ldeo.columbia.edu> wrote:
> If you don't feel like running the HPL benchmark (It is fun,
> but time consuming) to get your actual Gigaflops
> (Rmax in Top500 jargon),
> you can look up the Top500 list the Rmax/Rpeak ratio for clusters
> with hardware similar to yours.
> You can then apply this factor to your Rpeak calculated as above,
> to get a reasonable guess for your Rmax.
> This may be good enough for the purpose you mentioned.
Rmax/Rpeak= 0.83 seems a good guess based on one very similar system
on the Top500.
Thus I come up with a number of around 1.34 TeraFLOPS for my cluster
of 24 servers. Does the value seem reasonable ballpark? Nothing too
accurate but I do not want to be an order of magnitude off. [maybe a
decimal mistake in math! ]
Dell PowerEdgeSC1345's. All 64 bit machines with a dual channel
bonded Gigabit ethernet interconnect. AMD Quad-Core AMD Opteron(tm)
PS. The Athelon was my typo, earlier sorry!
Beowulf mailing list, Beowulf at beowulf.org sponsored by Penguin Computing
To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.
More information about the Beowulf