[Mitgcm-support] Re: Performance on a Compaq Alpha

[mitgcm-support at dev.mitgcm.org]

Hi Mike,

 I put a couple of simple test codes on each of
pontus and metis. They need to run when the
machines are quiet. If you get a chance can you
do

cd ~guest/cnh
time ./a.outx
time ./a.outd
time ./a.outsin

when the machines are next idle. The tests should only 
run for a couple of mins. then can you send me the results.

thanks,

chris

On Tue, 5 Mar 2002, Mike Spall wrote:

> Hi Chris,
> 
> I am comparing 1 processor on each machine.  The other code I
> benchmarked
> was a simple shallow water, finite difference code that I wrote.  Karl
> Helfrich (here at whoi) has also found that the alpha is appreciably
> faster
> than intel machines he has compared with, but unfortunately I don't know
> exactly what he ran and on what machines.  My shallow water code runs on
> the alpha in half the time that it takes on the Dell (using g77 on the
> Dell).
> 
> You are welcome to do some testing on pontus (alpha) or metis (Dell) if
> you like.
> 
> Mike
>  
> -- 
> ==================================================
> 
> Michael A. Spall
> Department of Physical Oceanography
> W.H.O.I. MS #21
> 360 Woods Hole Road
> Woods Hole, MA   02543
> 
> mspall at whoi.edu
> (508) 289-3342 (office)
> (508) 457-2181 (fax)
> 
> =================================================
>