Hi Paul, Paul Edmon <ped...@cfa.harvard.edu> writes:
> At least from my experience wonky things can happen with slurm > (especially if you have thread affinity on) if you don't rightly > divide between -n and -c. In general I've been telling our users that > -c is for threaded applications and -n is for rank based parallelism. > This way the thread affinity works out properly. Actually we have do an issue with some applications not respecting the CPU mask. I always assumed it was something to do with the way the multithreading was programmed in certain applications, but maybe we should indeed be getting the users to use multiple CPUs with a single task. Thanks for the info. Cheers, Loris -- Dr. Loris Bennett (Mr.) ZEDAT, Freie Universität Berlin Email loris.benn...@fu-berlin.de
