[MPICH] will mpd --daemon affect running programs

[Ralph M. Butler]

> Date: Wed, 3 Aug 2005 17:54:07 -0400
> From: Kamaraju Kusumanchi <kamaraju at gmail.com>
> To: mpich-discuss at mcs.anl.gov
> Subject: [MPICH] will mpd --daemon affect running programs
>
> Let's consider the following situation.
>
> time  0  min: mpd --daemon
> time 10 min: mpiexec -n 16 ./takes20minToRun
> time 15 min: mpd --daemon     (on another window)
> time 30 min: ./takes20minToRun completed.

You mention 2 windows but I think you are implying that both
windows are onto the same machine.  If so, then the second
'mpd --daemon' will silently exit because there is already an
mpd on that machine.  Both of the takes20minToRun jobs should
work fine but they will run 'under' the original mpd.

> My question is that, If mpd --daemon is run on another window while a
> program is being executed by mpiexec, will it affect the results?
>
> I tried with my some of my MPI code and  does not seem to affect the
> results. But I just want to confirm that this is indeed the case with
> mpd --daemon. Any ideas?
>
> I am using Debian Sid.
>
> thanks
> raju
>
> --
> Please bottom (inline) post to my messages instead of top posting.