[slurm-users] Multithreads config

Ade Fewings ade.fewings at hpcwales.co.uk
Fri Feb 16 08:25:43 MST 2018

Log in to the compute node and run 'slurmd -C' to get Slurm's viewpoint:


[root at cwc001 ~]# slurmd -C
NodeName=cwc001 CPUs=12 Boards=1 SocketsPerBoard=2 CoresPerSocket=6 ThreadsPerCore=1 RealMemory=36138 TmpDisk=92680


From: slurm-users <slurm-users-bounces at lists.schedmd.com> on behalf of david martin <vilanew at gmail.com>
Sent: 16 February 2018 15:16:35
To: Slurm User Community List
Subject: Re: [slurm-users] Multithreads config

I have included in slurm.conf the following (based on web configurator). i have 64 cpus, not 63.

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
Fri Feb 16 16:02:22 2018

obelix         1    testq*     drained   64   4:16:1 480000        0      1   (null) Low socket*core*thre

what´s wrong ?

On 16/02/2018 15:39, Benjamin Redling wrote:

Am 16.02.2018 um 15:28 schrieb david martin:

*I have a single physical server with :*

  * *64 cpus (each cpu has 16 cores) *
  * *480Gb total memory*

*NodeNAME= Sockets=1 CoresPerSocket=16 ThreadsPerCore=1 Procs=63

*This configuration will not work. What is should be ?*

A proper configuration that shows basic quantities of effort went into
reading the documentation.

RTFM and use the configurator:

You failed to define a nodename and apart from that just defining a node
isn't enough -- you need at least a partition that uses that node...



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