From: salo@cray.com (Eric Salo)
Newsgroups: comp.parallel.mpi,comp.sys.sgi.misc
Subject: Re: mpirun on SGI
Date: 7 May 1999 20:43:42 GMT
Organization: Silicon Graphics, Inc.
Message-Id: <7gvj9u$k4r$1@walter-fddi.cray.com>
References: <3731ee75.0@news.cranfield.ac.uk>
Xref: ukc comp.parallel.mpi:5052 comp.sys.sgi.misc:43373


> I have originally developed my codes with LAM on AlphaStations but I don't
> know how to run my codes on SGI Origin 2000 using SGI's own mpirun.
>
> I have a master and a slave program but how do you run two programmes on a
> single host? I have tried following without any success:
>
> % mpirun -np 1 master -np 2 ns3d
> MPI: asgetnetinfo_array('(null)') failed

The correct syntax should be something like:

	mpirun 1 master : 2 ns3d

It's been a while since I've looked at the parser, so it may be that
you'll need to add explicit hostnames to the above:

	mpirun hostname 1 master : hostname 2 ns3d

--
Eric Salo      Silicon Graphics      salo@sgi.com