Hi all,
I have a question about starting HPX applications. When I use this command:
partition="my_partition"
nr_nodes=1
nr_localities=3
nr_cpus_per_task=6
salloc --partition=$partition --nodes=$nr_nodes --ntasks=$nr_localities
--cpus-per-task=$nr_cpus_per_task \
mpirun \
--mca btl_openib_allow_ib true \
bin/hdf5.parallel.hpx.hello_world \
--hpx:print-bind
The command responds with this warning (three times):
hpx::init: command line warning: --hpx:localities used when running with
SLURM, requesting a different number of localities (3) than have been
assigned by SLURM (1), the application might not run properly.
My application indeed does not run properly, but the bindings printed
seem to make sense. Three localities are listed, with 6 CPUs each.
Should I worry about the warning? Should I start the application
differently?
Thanks,
Kor
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