>> Core(s) per socket: 8
> "4. If none of a hostfile, the --host command line parameter, or an RM is
> present, Open MPI defaults to the number of processor cores"
Have you tried -np 8?
On Sun, Nov 8, 2020 at 12:25 AM Paul Cizmas via users <
users@lists.open-mpi.org> wrote:
> Gill
Gilles:
Thank you for your reply. Unfortunately, it did not quite help me.
As I said in my e-mail, I can run this on a Mac by only specifying
$mympirun -np 12 $exe input1
without worrying about “slots”.
So, my questions are:
1. Why do I need “slot” on the Linux?
2. Is there a relation b
Paul,
a "slot" is explicitly defined in the error message you copy/pasted:
"If none of a hostfile, the --host command line parameter, or an RM is
present, Open MPI defaults to the number of processor cores"
The error message also lists 4 ways on how you can move forward, but
you should first ask
Hello:
I just installed OpenMPI 4.0.5 on a Linux machine running Pop!_OS (made by
System76). The workstation has the following architecture:
Architecture:x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
Address sizes:
