Thanks - "--map-by numa:span" did exactly what I wanted!
On Wed, May 15, 2019 at 10:34 PM Ralph Castain via users <
users@lists.open-mpi.org> wrote:
>
>
> > On May 15, 2019, at 7:18 PM, Adam Sylvester via users <
> users@lists.open-mpi.org> wrote:
> >
> > Up to this point, I've been running a sin
> On May 15, 2019, at 7:18 PM, Adam Sylvester via users
> wrote:
>
> Up to this point, I've been running a single MPI rank per physical host
> (using multithreading within my application to use all available cores). I
> use this command:
> mpirun -N 1 --bind-to none --hostfile hosts.txt
> W
Up to this point, I've been running a single MPI rank per physical host
(using multithreading within my application to use all available cores). I
use this command:
mpirun -N 1 --bind-to none --hostfile hosts.txt
Where hosts.txt has an IP address on each line
I've started running on machines with
