[mpich-discuss] hydra and PBS

[Bryan Putnam]

On Wed, 15 Jul 2009, Pavan Balaji wrote:

> Hi Bryan,
> 
> PBS is not supported yet for Hydra (see
> https://trac.mcs.anl.gov/projects/mpich2/ticket/443). However, you should be
> able to use the ssh bootstrap (which is the default), though it might be
> slightly slower than using PBS natively.
> 
>  -- Pavan

Pavan, thanks for the info.

Could you please also tell me if it's possible to set up a master/slave 
type job using mpiexec.hydra. That is the equivalent of something like

mpiexec -machinefile $PBS_NODEFILE -np 1 ./master : -np 3 ./slave

I looked at the output of "mpiexec.hydra --help" and am still not sure how 
to do that.

Thanks,
Bryan
 
> 
> On 07/15/2009 08:10 AM, Bryan Putnam wrote:
> > I've built mpich2-1.1 with configure option:
> > 
> >  --with-pm=mpd:hydra 
> > As before, mpdboot/mpiexec works normally and now mpiexec.hydra also works
> > with ssh, but not with pbs daemons. Is mpiexec.hydra/PBS not supported yet,
> > or am I doing something wrong? I did run "mpiexec.hydra" within a PBS
> > session.
> > 
> > Thanks,
> > Bryan
> > 
> > ++++++++++++++++++++++++++++++++++++++
> > 
> > 520% mpiexec.hydra -bootstrap ssh -f $PBS_NODEFILE -np 4 ./hellof
> >  node           2: Hello world!
> >  node           3: Hello world!
> >  node           0: Hello world!
> >  node           1: Hello world!
> > 521% mpiexec.hydra -bootstrap pbs -f $PBS_NODEFILE -np 4 ./hellof
> > HYD_BSCI_init (38): unrecognized bootstrap server: pbs
> > HYD_RMKI_init (44): unable to initialize the bootstrap server
> > main (117): unable to initialize RMK
> 
> -- 
> Pavan Balaji
> http://www.mcs.anl.gov/~balaji
>