Chris,
Just have GPU users request the numbers of CPU cores that they need and don't lie to Slurm about the number of cores. If a GPU user needs 4 cores and 4 GPUs, have them request that. That leaves 20 cores for others to use.
Ryan On 04/06/2015 03:43 PM, Christopher B Coffey wrote:
Hello, I’m curious how you handle the allocation of GPU’s and cores on GPU systems in your cluster. My new GPU system is 24 core, with 2 Tesla K80’s (4 gpus total). We allocate cores/mem by: SelectType=select/cons_res SelectTypeParameters=CR_Core_Memory What I’m thinking of doing is lying to Slurm about the true cores, and specifying CPUs=20, along with Gres=gpu:tesla:4. Is this a reasonable solution in order to ensure there is a core reserved for each gpu in the system? My thought is to allocate the 20 cores on the system to non-GPU type work instead of leaving them idle. Thanks! Chris
