Florian, this issue has already been addressed and will be part of future 4.x releases.
https://github.com/open-mpi/ompi/pull/6139 <https://github.com/open-mpi/ompi/pull/6139> Best, Aurelien > On Feb 15, 2019, at 11:52, Florian Lindner <mailingli...@xgm.de> wrote: > > Hello, > > I used to have oversubscribe set a default using the environment variable > OMPI_MCA_rmaps_base_oversubscribe. However, since recently, probably since > 4.0.0, that doesn't seem to work anymore. > > % echo $OMPI_MCA_rmaps_base_oversubscribe > 1 > % mpirun --version > mpirun (Open MPI) 4.0.0 > > Report bugs to http://www.open-mpi.org/community/help/ > lindnefn@asaru ~ % mpirun -n 4 ls > -------------------------------------------------------------------------- > There are not enough slots available in the system to satisfy the 4 slots > that were requested by the application: > ls > > Either request fewer slots for your application, or make more slots available > for use. > -------------------------------------------------------------------------- > % mpirun --oversubscribe -n 4 ls > [works] > > How can enable oversubscribe as default again? > > Thanks, > Florian > _______________________________________________ > users mailing list > users@lists.open-mpi.org > https://lists.open-mpi.org/mailman/listinfo/users
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