[slurm-users] number of tasks that can run on a node without oversubscribing

[mercan]

Hi;

You can find the Definitions of Socket, Core, & Thread at:

https://slurm.schedmd.com/mc_support.html

Your status:

CPUs=COREs=Sockets*CoresPerSocket=1*4=4

Threads=COREs*ThreadsPerCore=4*2=8

Regards;

Ahmet M.



12.07.2019 20:15 tarihinde Hanu Pathuri yazdı:
>
> Hi,
>
> Here is my node information. I am confused with the terminology w.r.t 
> CPU vs CORE.
>
> NodeName=hpathuri-linux CPUs=8 RealMemory=15833 Sockets=1 
> CoresPerSocket=4 ThreadsPerCore=2 State=UNKNOWN.
>
> I am unable to schedule more than 4 tasks without over subscribing 
> even through my configuration looks like this:
>
> SchedulerType=sched/backfill
>
> #SchedulerPort=7321
>
> SelectType=select/cons_res
>
> SelectTypeParameters=CR_Core
>
> PreemptMode=suspend,GANG
>
> Could help clarify what is going on?
>
> I was expecting to schedule 8 tasks.
>
> Thanks
>