[slurm-users] Heterogeneous job one MPI_COMM_WORLD

Chris Samuel chris at csamuel.org
Wed Oct 10 01:09:22 MDT 2018

On 10/10/18 05:07, Christopher Benjamin Coffey wrote:

> Yet, we get an error: " srun: fatal: Job steps that span multiple
> components of a heterogeneous job are not currently supported". But
> the docs seem to indicate it should work?

Which version of Slurm are you on?  It was disabled by default in
17.11.x (and I'm not even sure it works if you enable it there) and
seems to be enabled by default in 18.08.x.

To see check the _enable_pack_steps() function src/srun/srun.c

All the best,
Chris (currently away in the UK)
  Chris Samuel  :  http://www.csamuel.org/  :  Melbourne, VIC

More information about the slurm-users mailing list