Ralph, Thanks for the clarification as I'm dealing with workarounds for this at Sandia as well...
I might have missed this earlier in the dialog, but is this capability in the SVN trunk right now, or still on the TODO list? Brian ---------------------------------------- Brian M. Adams, PhD (bria...@sandia.gov) Optimization and Uncertainty Estimation Sandia National Laboratories P.O. Box 5800, Mail Stop 1318 Albuquerque, NM 87185-1318 Voice: 505-284-8845, FAX: 505-284-2518 > -----Original Message----- > From: users-boun...@open-mpi.org > [mailto:users-boun...@open-mpi.org] On Behalf Of Ralph H Castain > Sent: Wednesday, December 19, 2007 2:35 PM > To: Open MPI Users <us...@open-mpi.org>; pat.o'bry...@exxonmobil.com > Cc: Castain, Ralph H. (LANL) > Subject: Re: [OMPI users] Torque and OpenMPI 1.2 > > > Open MPI 1.3 will support use of the hostfile and the tm > launcher simultaneously. It will work slightly differently, > though, with respect to the hostfile: > > 1. PBS_NODEFILE will be read to obtain a complete list of > what has been allocated to us > > 2. you will be allowed to provide a hostfile for each > app_context as a separate entry to define the hosts to be > used for that specific app_context. > The hosts in your hostfile, however, must be included in the > PBS_NODEFILE. > > Basically, the hostfile argument will serve as a filter to > the hosts provided via PBS_NODEFILE. We will use the TM > launcher (unless, of course, you tell us to do otherwise), so > the issues I mentioned before will go away. > > There will be a FAQ entry describing the revised hostfile > behavior in some detail. We think the change will help > rationalize the behavior so it is more consistent across all > the different use-cases people have invented. ;-) > > Hope that helps > Ralph > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > >
