Re: [slurm-users] GPUs not available after making use of all threads?

I think that's incorrect: > The concept of hyper-threading is not doubling cores. It is a single > core that can 'instantly' switch work from one process to another. > Only one is being worked on at any given time. A core can have multiple (usually 2) independent execution pipelines, so that mul

Re: [slurm-users] GPUs not available after making use of all threads?

Hi Brian and Hermann, true. This makes a lot of sense. I will consider setting up Hermann's configuration, defaulting to "--hint=nomultithread". Thanks! Sebastian On 13.02.23 15:29, Brian Andrus wrote: Hermann makes a good point. The concept of hyper-threading is not doubling cores. It is

Re: [slurm-users] GPUs not available after making use of all threads?

Hermann makes a good point. The concept of hyper-threading is not doubling cores. It is a single core that can 'instantly' switch work from one process to another. Only one is being worked on at any given time. So if I request a single core on a hyper-threaded system, I would not be pleased

Re: [slurm-users] GPUs not available after making use of all threads?

Hi Sebastian, I am glad I could help (although not exactly as expected :-). With your node-configuration you are "circumventing" how Slurm behaves, when using "CR_Core": if you read the respective part in https://slurm.schedmd.com/slurm.conf.html it says: "CR_Core [...] On nodes with hype