[MPICH] debug flag

Rajeev Thakur thakur at mcs.anl.gov
Sat May 26 23:35:28 CDT 2007


If it's an XT-3/4 it's tough. If it were just a Linux cluster it would have
been possible.

Rajeev 

> -----Original Message-----
> From: Wei-keng Liao [mailto:wkliao at ece.northwestern.edu] 
> Sent: Saturday, May 26, 2007 9:48 PM
> To: Rajeev Thakur
> Cc: mpich-discuss at mcs.anl.gov
> Subject: Re: [MPICH] debug flag
> 
> 
> The machine is a Cray XT3, 4. The batch is PBS and the 
> command to launch 
> an MPI job is "yod" as described in the user guide.
> 
> I tried to replace yod with mpich mpdboot and mpiexec, etc. I 
> also used 
> the PBS environment variable PBS_NODEFILE in mpdboot, but the 
> node file 
> does not contain the hostnames of nodes allocated by the PBS. 
> It actually 
> always contains just one yod node, no matter how many nodes I 
> request in 
> PBS script.
> 
> Any idea of how to do it?
> 
> Wei-keng
> 
> 
> On Sat, 26 May 2007, Rajeev Thakur wrote:
> 
> > Are you sure you can't run your own MPICH2 on the machine? 
> It is just a
> > user-level library. Once the scheduler assigns you a set of 
> nodes, you can
> > run mpd and your own mpiexec.
> >
> > Rajeev
> >
> 
> 




More information about the mpich-discuss mailing list