Oh, I should have made something clear - I believe those command line options aren't available in the 1.1 series. You'll have to upgrade to 1.2 (available in beta at the moment).
On 2/13/07 12:20 PM, "Ralph H Castain" <r...@lanl.gov> wrote: > > > > On 2/13/07 11:30 AM, "Brock Palen" <bro...@umich.edu> wrote: > >> On Feb 13, 2007, at 12:55 PM, Troy Telford wrote: >> >>> First, the good news: >>> I've recently tried PBS Pro 8 with Open MPI 1.1.4. >>> >>> At least with PBS Pro version 8, you can (finally) do a dynamic/shared >>> object for the TM module, rather than having to compile everything >>> statically. (So the FAQ needs a minor update.) The jobs seem to >>> run and >>> use TM properly. >> >> Good, >> >>> >>> The bad news: >>> My memory is a bit fuzzy on how to use OMPI with PBS and cousins. >>> Sad, I >>> know, but that doesn't make it any less true. >> >> Make sure your OMPI build used --with-tm=/path/to/pbs >> >> You can also use ompi_info and grep for tm. >> >>> >>> For the moment, I've read the FAQ and see that you need to use the >>> '-np >>> <foo>' option to specify the number of processes. For some reason, I >>> recall that OMPI used to be able to get the number of processes to run >>> from PBS; am I just 'remembering' something that never existed? >> >> To my memory this has never been the case. there is $PBS_NODEFILE >> which you can wrap around: >> >> CPUS=`cat $PBS_NODEFILE | wc -l` >> >> mpirun -np $CPUS myexe > > Actually, that isn't the complete story. Open MPI will automatically run in > several ways: > > 1. one proc in each available slot on every node in your allocation: just > don't include -np on your command line. You can rank them by slot (--byslot > or leave out) or by node (--bynode). > > 2. one proc on each node in your allocation: use --pernode on your command > line. You can limit the number of nodes used by combining --pernode with -np > <foo> - we will launch <foo> procs, one per node > > 3. a specified number of procs on every node: use --npernode <n>. Again, you > can limit the number of procs launched by combining it with -np and can rank > by slot or node > > Ralph > >> >>> -- >>> Troy Telford >>> _______________________________________________ >>> users mailing list >>> us...@open-mpi.org >>> http://www.open-mpi.org/mailman/listinfo.cgi/users >>> >>> >> >> >> >> Brock Palen >> Center for Advanced Computing >> bro...@umich.edu >> (734)936-1985 >> >> >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
