Hola Gestió, You can have a look at: https://slurm.schedmd.com/core_spec.html and the "CoreSpecCount" or "CpuSpecList" of the slurm.conf file.
Regards, Carlos On Fri, Feb 22, 2019 at 6:50 AM Chris Samuel <ch...@csamuel.org> wrote: > On Thursday, 21 February 2019 1:00:52 PM PST Sam Hawarden wrote: > > > Linux assigns numbers to your CPUs. 0-15 will be socket 1, thread 1. > 16-31 > > are socket 2, thread 1, 32-47 are socket 1, thread 2. 48-63 are socket 2, > > thread 2. > > This isn't strictly true, for x86 for instance the kernel will read > firmware > tables to discover how the vendor has assigned the core numbering. > > This means it can vary from vendor to vendor and model to model plus it > can > potentially change on a firmware upgrade, just to make life even more > exciting. > > This is why hwloc (and its predecessors) exist, to give a sane interface > and > default logical layout. Slurm uses a similar system that results in > something > that looks very similar, so to Slurm CPU 0 is socket 1, core 1, thread 1 > and > CPU 2 is socket 1, core 1, thread 2, etc... > > All the best, > Chris > -- > Chris Samuel : http://www.csamuel.org/ : Berkeley, CA, USA > > > > > -- -- Carles Fenoy
