[slurm-users] Multithreads config

Chris Samuel chris at csamuel.org
Fri Feb 16 23:50:41 MST 2018

On Saturday, 17 February 2018 2:16:35 AM AEDT david martin wrote:

> NodeName=obelix CPUs=64 RealMemory=480000  CoresPerSocket=16
> ThreadsPerCore=1 state=UNKNOWN
> >sinfo -Nl
> sinfo: error: NodeNames=obelix CPUs=64 doesn't match
> Sockets*CoresPerSocket*ThreadsPerCore (16), resetting CPUs

Basic maths.

1 socket per node * 16 cores per socket = 16 CPUs per node

As Ade said, see what Slurmd says it sees.

Also validate it against "nproc" (for total number of cores) and "lscpu"  
output (for more general node config info).

Is this a quad socket box?  Or are you confusing multiple threads per core 
with CPUs?

Best of luck,
 Chris Samuel  :  http://www.csamuel.org/  :  Melbourne, VIC

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