[Beowulf] frequency scaling

[Christopher Samuel]

On 22/09/15 09:32, Seth Bardash wrote:

> This allows us to use the built-in cpu frequency control (OS and
> BIOS) and set the processor to its maximum standard speed while
> still making the boost speeds available if they are needed due to
> load (limited by temperature or power). You can change the lowest
> speed ( -d speed ) to match your power and performance
> requirements.

Interesting, the Slurm batch system also supports requesting CPU
frequencies and governors for jobs (which are constrained to cores via
cgroups or similar) with the --cpu-freq option to srun:

http://slurm.schedmd.com/srun.html#OPT_cpu-freq

All the best,
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.org.au/      http://twitter.com/vlsci