multiple processes on laptop

Joseph Mack mack.joseph at
Sat Feb 15 13:10:51 PST 2003

Frank Muldoon wrote:
> I have a Fortran 95/MPI parallel program that I run on my laptop for
> testing.  If I have the ethernet card plugged into a live cable I can
> run 32 jobs on the laptop easily.  If there is no cable or a dead cable
> plugged in then my program runs very slow. It takes for ever for the 32
> processes to spawn.

I'm not sure if this will help but the dummy device was written
so that machines would think they were still on the internet.


Joseph Mack PhD, Senior Systems Engineer, SAIC contractor 
to the National Environmental Supercomputer Center, 
ph# 919-541-0007, RTP, NC, USA. mailto:mack.joseph at

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