[slurm-users] slurmd -C showing incorrect core count

[mike tie]

Here is the output of lstopo

*$* lstopo -p

Machine (63GB)

  Package P#0 + L3 (16MB)

    L2 (4096KB) + L1d (32KB) + L1i (32KB) + Core P#0 + PU P#0

    L2 (4096KB) + L1d (32KB) + L1i (32KB) + Core P#1 + PU P#1

    L2 (4096KB) + L1d (32KB) + L1i (32KB) + Core P#2 + PU P#2

    L2 (4096KB) + L1d (32KB) + L1i (32KB) + Core P#3 + PU P#3

  Package P#1 + L3 (16MB)

    L2 (4096KB) + L1d (32KB) + L1i (32KB) + Core P#0 + PU P#4

    L2 (4096KB) + L1d (32KB) + L1i (32KB) + Core P#1 + PU P#5

    L2 (4096KB) + L1d (32KB) + L1i (32KB) + Core P#2 + PU P#6

    L2 (4096KB) + L1d (32KB) + L1i (32KB) + Core P#3 + PU P#7

  Package P#2 + L3 (16MB)

    L2 (4096KB) + L1d (32KB) + L1i (32KB) + Core P#0 + PU P#8

    L2 (4096KB) + L1d (32KB) + L1i (32KB) + Core P#1 + PU P#9

    L2 (4096KB) + L1d (32KB) + L1i (32KB) + Core P#2 + PU P#10

    L2 (4096KB) + L1d (32KB) + L1i (32KB) + Core P#3 + PU P#11

  Package P#3 + L3 (16MB)

    L2 (4096KB) + L1d (32KB) + L1i (32KB) + Core P#0 + PU P#12

    L2 (4096KB) + L1d (32KB) + L1i (32KB) + Core P#1 + PU P#13

    L2 (4096KB) + L1d (32KB) + L1i (32KB) + Core P#2 + PU P#14

    L2 (4096KB) + L1d (32KB) + L1i (32KB) + Core P#3 + PU P#15

  HostBridge P#0

    PCI 8086:7010

      Block(Removable Media Device) "sr0"

    PCI 1234:1111

      GPU "card0"

      GPU "controlD64"

    PCI 1af4:1004

    PCI 1af4:1000




*Michael Tie    *Technical Director
Mathematics, Statistics, and Computer Science

 One North College Street              phn:  507-222-4067
 Northfield, MN 55057                   cel:    952-212-8933
 mtie at carleton.edu                        fax:    507-222-4312


On Tue, Mar 10, 2020 at 12:21 AM Chris Samuel <chris at csamuel.org> wrote:

> On 9/3/20 7:44 am, mike tie wrote:
>
> > Specifically, how is slurmd -C getting that info?  Maybe this is a
> > kernel issue, but other than lscpu and /proc/cpuinfo, I don't know where
> > to look.  Maybe I should be looking at the slurmd source?
>
> It would be worth looking at what something like "lstopo" from the hwloc
> package says about your VM.
>
> All the best,
> Chris
> --
>   Chris Samuel  :  http://www.csamuel.org/  :  Berkeley, CA, USA
>
>
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