Hmm.. Good idea. I'll start looking at that.
Thanks!
Jeff
On Thu, Apr 24, 2025 at 11:02 AM Cutts, Tim via slurm-users <
slurm-users@lists.schedmd.com> wrote:
> I wonder whether there might be core-pinning/NUMA toplogy/hyperthreading
> sort of thing going on here?
>
> If the code run outside S
I wonder whether there might be core-pinning/NUMA toplogy/hyperthreading sort
of thing going on here?
If the code run outside SLURM runs faster, on the same hardware, than when run
under SLURM, it might be because some of the cores SLURM has confined the
cgroup to are hyperthreads on a single p
Thanks for the suggestion but I already do that.
Jeff
On Wed, Apr 23, 2025 at 4:45 PM Feng Zhang wrote:
> Beside slurm options, you might also need to set OpenMP env variable:
>
> export OMP_NUM_THREADS=32 (the core, not thread number)
>
> Also other similar env variables, if you use any Pytho