[Beowulf] Threaded code - top

Art Edwards arthur.edwards at kirtland.af.mil
Tue Aug 17 13:13:22 EDT 2004


Is it conceivable to run a threaded code on a dual system and see
activity on only one processor (assuming atlas has been compiled
correctly?)

Incidentally, we compiled our own atlas with pthreads enabled (we
think). 

Art Edwards

On Tue, Aug 17, 2004 at 09:34:58AM -0700, Alvin Oga wrote:
> 
> 
> On Tue, 17 Aug 2004, Art Edwards wrote:
> 
> > I mean that when we run the threaded code and look at top, don't see two
> > processors running. The load is always less than or equal to one. When
> > we run two separate jobs, we see a load of 2. 
> 
> when you do "top -i"  you should see 2 cpu's listed
> 
> c ya
> alvin

-- 
Art Edwards
Senior Research Physicist
Air Force Research Laboratory
Electronics Foundations Branch
KAFB, New Mexico

(505) 853-6042 (v)
(505) 846-2290 (f)
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