SGI InfiniteStorage 3500 Manual de usuario descargar pdf (Pagina 21)

MPI+OpenMP Hybrid job script(sample)

– 24 hybrid parallel job(8MPI x 3 threads)

– Define number of MPI for np, number of threads per MPI for th.

– Use omplace instead of dplace.

– insert following before command name.

omplace -nt ${th} -c 0-23:bs=${th}+st=3

– -c means using 3cores from core 0 to core 23.

$ cat go.csh

#!/bin/csh -x

#BSUB -q C

#BSUB -n 24

#BSUB -o hy1.out

limit stacksize unlimited

set np=8

set th=3

setenv OMP_NUM_THREADS ${th}

mpirun -np ${np} omplace -nt ${th} -c 0-23:bs=${th}+st=3 ./a.out

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SGI InfiniteStorage 3500 Manual de usuario Pagina 21