fast commands give warning in case of comm=none

[Pete Wyckoff]

thomas.zeiser at rrze.uni-erlangen.de wrote on Mon, 27 Nov 2006 22:28 +0100:
> if I do something like
> 	mpiexec -comm=none -pernode hostname
> I sometimes get a warning 
> 	mpiexec: Warning: tasks 0-15 exited before completing MPI
> 	startup.
> 
> So far I only observed this if
> - the command is very fast
> - or the wrong MPI implementation is specified.
> 
> Is it a feature or a bug that "comm=none" sometimes results in the
> warning given above for very fast commands?

That appears to be an obvious bug---we don't care if a task exits
before all the others have been spawned in the COMM_NONE case.  I
checked in a fix just now.  Be happy that you have a very fast
machine.  Thanks,

		-- Pete