Am 26.07.2012 um 23:48 schrieb Reuti: > 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
Or shorter: $ qsub -l "h=compute-5*&(*-[1-9]|*-[1-2][0-9]|*-3[0-2])" -pe mpich 101 jobfile.job -- Reuti > -- 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 > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
