在 2011-11-08二的 10:44 +0100，Tibor Pausz写道： > Dear Moe > > Ok, I see. I have to explain in detail. We have a user on our cluster, > who wants to run for each MPI rank a special wrapper script, which setup > things on a per MPI rank basis. He has used this technique with an other > MPI implementation in combination with mpirun for some time. > > The sbatch script is run by: "sbatch sbatch_script.sh" > > My sbatch test script "sbatch_script.sh": > #!/bin/sh > #SBATCH --ntasks=12 > # ... other sbatch options > srun -n 12 wrapper_script.sh > > > My "wrapper_script.sh": > #!/bin/sh > # ... some stuff the user wants to run > my_mpi_binary > > So, sbatch run the sbatch_script, for each > > If I start "my_mpi_binary" directly via the srun command I have no > problems. Anything is fine. But if I use the wrapper_script I get > defunct processes. Is this a bug, or is this beyond the MPI specification? >
Could you please describe your problem in detail? I think that it should work fine with the wrapper script. > Best regards, > Tibor > > Am 07.11.2011 17:12, schrieb Moe Jette: > > I suspect that he really wants to do something this: > > > > sbatch -n12 ../wrapper_skript.sh > > OR > > salloc -n12 ../wrapper_skript.sh > > > > wrapper_skript.sh: > > #setup > > srun ./my_mpi_app > > #cleanup > > > > Quoting Tibor Pausz <[email protected]>: > > > >> Dear all, > >> > >> i want to start a programm via a wrapper script. If I try this, MPI does > >> not work correct. Is their any solution to this problem? > >> > >> example: > >> srun -n 12 -l ../wrapper_skript.sh > >> > >> wrapper_skript.sh: > >> #setup > >> ./my_mpi_app > >> #cleanup > >> > >> Best regards, > >> Tibor > >> > > > > > > >
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