Set the MCA param “rmaps_base_oversubscribe=1” in your default MCA param file, or in your environment
> On Jan 10, 2018, at 4:42 AM, Florian Lindner <mailingli...@xgm.de> wrote: > > Hello, > > a recent openmpi update on my Arch machine seems to have enabled > --nooversubscribe, as described in the manpage. Since I > regularly test on my laptop with just 2 physical cores, I want to set > --oversubscribe by default. > > How can I do that? > > I am also a bit surprised, that openmpi takes the physical number of cores > into account, not the logical (which is 4 on > my machine). > > Thanks, > Florian > _______________________________________________ > 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