[There must be someone better to answer this, but since I've seen it:] Jeff Hammond <jeff.scie...@gmail.com> writes:
> I have no idea what this is trying to tell me. Help? > > jhammond@nid00024:~/MPI/qoit/collectives> mpirun -n 2 ./driver.x 64 > [nid00024:00482] [[46168,0],0] ORTE_ERROR_LOG: Not found in file > ../../../../../orte/mca/plm/alps/plm_alps_module.c at line 418 That must be a system error message, presumably indicating why the process couldn't be launched; it's not in the OMPI source. > I can run the same job with srun without incident: > > jhammond@nid00024:~/MPI/qoit/collectives> srun -n 2 ./driver.x 64 > MPI was initialized. > > This is on the NERSC Cori Cray XC40 system. I build Open-MPI git head from > source for OFI libfabric. > > I have many other issues, which I will report later. As a spoiler, if I > cannot use your mpirun, I cannot set any of the MCA options there. Is > there a method to set MCA options with environment variables? I could not > find this documented anywhere. mpirun(1) documents the mechanisms under "Setting MCA Parameters", unless it's changed since 1.8. [I have wondered why a file in cwd isn't a possibility, only in $HOME.]
