[torqueusers] cpuset on Torque 2.4.16, CentOS 6.2, AMD Opteron Bulldozer

Christopher Samuel samuel at unimelb.edu.au
Sun Apr 1 20:30:21 MDT 2012


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On 31/03/12 09:28, David Gabriel Simas wrote:

> mount -t cgroup -o cupset,noprefix X /sys/fs/cgroup/cpuset

Or just:

mount -t cpuset - /sys/fs/cgroup/cpuset

> However, torque doesn't seem to understand the difference between
> cores and hyperthreads. With cpusets enabled, a one processor job
> will be bound to a core, giving it two hyperthreads.

Just disable it in your BIOS/EFI - that's what we've been doing since
HT appeared on Intel clusters (at least on PowerPC you could disable
SMT at runtime).

cheers,
Chris
- -- 
    Christopher Samuel - Senior Systems Administrator
 VLSCI - Victorian Life Sciences Computation Initiative
 Email: samuel at unimelb.edu.au Phone: +61 (0)3 903 55545
         http://www.vlsci.unimelb.edu.au/

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