Can you please tell me whether to use mpicc compiler ar any other compiler for openmpi programs
On Wed, Apr 25, 2018 at 3:13 PM, Ankita m <ankitamait...@gmail.com> wrote: > i have 16 cores per one node. I usually use 4 node each node has 16 cores > so total 64 processes. > > On Wed, Apr 25, 2018 at 2:57 PM, John Hearns via users < > users@lists.open-mpi.org> wrote: > >> 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 >>> >> >> >> _______________________________________________ >> users mailing list >> users@lists.open-mpi.org >> https://lists.open-mpi.org/mailman/listinfo/users >> > >
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