On Apr 17, 2019, at 3:38 AM, Steffen Christgau <christ...@cs.uni-potsdam.de> wrote: > > as written in my original post, I'm using a custom build of 4.0.0 which
I'm sorry -- I missed that (it was at the bottom; my bad). > was configured with nothing more than a --prefix and > --enable-mpi-fortran. I checked for updates and it appears that there > was an issue until 4.0.1 with oversubscription. The changelog states > >> - Fix a problem with the ORTE rmaps_base_oversubscribe MCA paramater. > > Using --mca rmaps_base_oversubscribe 1 on the command line works with > the 4.0.1 version. I added an entry in the openmpi-mca-params.conf file > and I can now use over-subscribing calls of mpirun without any > additional arguments aside from the number of processes. Excellent! Glad that v4.0.1 fixed the issue for you. -- Jeff Squyres jsquy...@cisco.com _______________________________________________ users mailing list users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/users
