Scyld, local access to nodes, and master node as compute node

[Keith Underwood]

Since no one else seems to have answered yet...

You can use a p4pg file located on node 0 with a command line (under bash)
that looks like this:

NO_INLINE_MPIRUN=true bpsh 0 app -p4pg /tmp/p4pgfile

					Keith

On Thu, 24 May 2001, Art Edwards wrote:

> > What are you using to run your jobs?  If you're using MPI, the rank == 0
> > job is always run on the master node (unless you give mpirun the
> > -nolocal option)
>
> I just tried to issue the following command
>
> jarrett/home/edwardsa>mpirun -np 4 -nolocal pi3
> Failed to exec target program: No such file or directory
>
> When I execute
>
> jarrett/home/edwardsa>mpirun -np 4 pi3 -nolocal
>
> The code runs, but ps -x reveals that it is computing on the head node. I
> really don't want compute jobs executing on the head node and it seems that
> -nolocal has no effect. What are my options?
>
> Art Edwards
>
> P. S. Incidentally, -nolocal doesn't appear on the MPI man page
>
>
>
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---------------------------------------------------------------------------
Keith Underwood                   Parallel Architecture Research Lab (PARL)
keithu at parl.clemson.edu                                  Clemson University