Am 26.07.2012 um 23:33 schrieb Erik Nelson: > I have a purely parallel job that runs ~100 processes. Each process has > ~identical > overhead so the speed of the program is dominated by the slowest processor. > > For this reason, I would like to restrict the job to a specific set of > identical (fast) > processors on our cluster. > > I read the FAQ on -hosts and -hostfile, but it is still unclear to me what > affect these > directives will have in a queuing environment. > > Currently, I submit the job using the "qsub" command in the "sge" environment > as : > > qsub -pe mpich 101 jobfile.job > > where jobfile contains the command > > mpirun -np 101 -nolocal ./executable
I would leave -nolocal out here. $ qsub -l "h=compute-5-[1-9]|compute-5-1[0-9]|compute-5-2[0-9]|compute-5-3[0-2]" -pe mpich 101 jobfile.job -- Reuti > I would like to restrict the job to nodes compute-5-1 to compute-5-32 on our > machine, > each containing 8 cpu's (slots). How do I go about this? > > Thanks, Erik > > -- > Erik Nelson > > Howard Hughes Medical Institute > 6001 Forest Park Blvd., Room ND10.124 > Dallas, Texas 75235-9050 > > p : 214 645 5981 > f : 214 645 5948 > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users