It is fully implemented, but on my development branch at the moment. We hope to bring that over to the trunk late Jan - primarily need to complete some work on MPI-2 dynamic process management and give Josh a chance to repair the checkpoint/restart functionality before we bring it over.
Ralph On 12/19/07 3:07 PM, "Adams, Brian M" <bria...@sandia.gov> wrote: > 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 >> >> >
