I do not see much wrong with that. However nodes=4 ppn=2 makes 8 processes in all. You are using mpirun -np 64
Actually it is better practice to use the PBS supplied environment variables during the job, rather than hard-wiring 64 I dont have access to a PBS cluster from my desk at the moment. You could also investigate using mpiprocs=2 Then I think with openmpi if it has compiled in PBS support all you would have to do is mpirun Are you sure your compute servers only have two cores ?? I also see that you are commenting out the module load openmpi-3.0.1 I would guess you want the default Opnempi, which is OK First thing I would do, before the mpirun line in that job script: which mpirun (check that you are picking up an Openmpi version) ldd ./cgles (check you are bringing in the libraries that you should) Also run mpirun with the verbose flag -v On 25 April 2018 at 11:10, Ankita m <ankitamait...@gmail.com> wrote: > >> while using openmpi- 1.4.5 the program ended by showing this error file >> (in the attachment) >> > > I am Using PBS file . Below u can find the script that i am using to run > my program > > _______________________________________________ > users mailing list > users@lists.open-mpi.org > https://lists.open-mpi.org/mailman/listinfo/users >
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