Felip,

That will work if you configure FastSchedule=1 or 2. If you also use task affinity, that should work, but I would recommend testing it.

Moe Jette
SchedMD

Quoting Felip Moll <[email protected]>:

Hello all,

I am wondering if I can set the number of cpus to a lower number than the
real number of cpus. I want to do this to limit the number of concurrent
cores accessing memory.

Is it correct to set something like this on slurm.conf?:

NodeName=pez001 RealMemory=32111 Sockets=2 CoresPerSocket=2 ThreadsPerCore=1

By this way, the node pez001 will display 4 cores, but it has 8 physical
cores.


I am asking it because if you set the memory to a level different than the
real value, the node becames down.


Thank you a lot.




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