> On Dec 30, 2005, at 1:05 PM, Michael L. Stokes wrote: > >> I have compiled and installed OpenMPI on a SUSE based SGI PRISM (8 >> processor model). I configured the build with --with-device=ch_shmem, >> otherwise I took all the defaults. I installed as root using the >> default >> install prefix. SO good so far. Then I compile my hello world project >> using mpiCC, and again this looks good. I run ldd on the executable >> and I >> was convinced that is is using the OpenMPI libs and not the MPT libs. > > Just so you know, the --with-device is not a valid configure option > for Open MPI (it looks like one for MPICH).
opps!! > Configure happily > ignores flags it doesn't understand, so no harm was done. Your build > most likely included support for our shared memory transport anyway, > as it is built on any platform that supports mmap(). You can confirm > this by running: > > ompi_info | grep btl It returns MCA btl: self, MCA btl : sm, and MCA btl: tcp so I would guess the sm is for shared memory. > > which will list all available btls (btl is our communication device > support layer). > >> However, when I run it using mpirun -np 4 a.out, I get no output to >> the >> screen and top only reports that mpirun is there (no a.out's). I >> cannot >> kill the process using a keyboard interrupt. >> >> I would appreciate any advise on either how to build, run, or debug >> this app. > > That's unexpected. Are you using a batch scheduler of any type? Nope. it's running interactive. > Could you rerun mpirun with the -d flag to turn on debugging output > and send the result to the list? That should hopefully give us some > useful information. Also, if you could include the complete output > of "ompi_info", that would be much appreciated. See attached, and many thanks. --Mike > > Thanks, > > Brian > > > -- > Brian Barrett > Open MPI developer > http://www.open-mpi.org/ > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > --------------------------------------- Michael L. Stokes, Ph.D. Integrated Modeling & Test On-site Lead RTTC/WST&E Support Room 27 Building 4500 Redstone Arsenal, AL 35898 Ohio Supercomputer Center 1224 Kinnear Road Columbus, OH 43212-1163 256.876.5967 phone 256.876.7918 fax msto...@osc.edu
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