Re: [BProc] Start processes in master with mpirun?

[<er...@he...>]

On Thu, Sep 09, 2004 at 09:41:41AM -0700, J S wrote:
> 
> We have a 3 computer cluster (each one a dual AMD), 
> and wish to use them all to do work. We have one of
> them configured as a master, and the other 2 as slaves
> (nodes 0-1). 
> 
> Executing
> 
> NODES=-1,0,1 mpirun -np 6 -s --p4 ./cpi
> Could not get number of cpus for node -1, assuming 1
> Not enough nodes to allocate all processes
> 
> (It works well with NODES=0,1 for -np 4)
> 
> We are using Bproc and MPICH w/ clustermatic. How can
> I tell mpirun to start 2 processes in the master node?

I'm afraid it's busted.  There's a -l switch but it doesn't mix well
with using the NODES string.  I guess we never fixed it because it
doesn't come up much here.  If you decide to fix it, please send a
patch.

- Erik