[Beowulf] A start in Parallel Programming?

Jim Lux James.P.Lux at jpl.nasa.gov
Tue Mar 13 19:36:20 EDT 2007


At 04:03 PM 3/13/2007, Greg Lindahl wrote:
>On Tue, Mar 13, 2007 at 05:58:53PM -0400, Joe Landman wrote:
>
> > If your need for speed increases faster than Moore's law will give you
> > performance for,
>
>... clusters have been getting bigger, and thus for many apps,
>sustained performance has been growing faster than Moore's Law for
>quite some time.

very true...

And it seems that the real limit on system speed these days isn't 
necessarily CPU speed, but interconnect (can't beat the speed of 
light) and thermal limits (gotta get the heat out).



>-- greg
>
>
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James Lux, P.E.
Spacecraft Radio Frequency Subsystems Group
Flight Communications Systems Section
Jet Propulsion Laboratory, Mail Stop 161-213
4800 Oak Grove Drive
Pasadena CA 91109
tel: (818)354-2075
fax: (818)393-6875 


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