dolfin team mailing list archive

[Johannes Ring <johannr@xxxxxxxxx>]

On Wed, Oct 17, 2012 at 6:15 AM, Anders Logg <logg@xxxxxxxxx> wrote:
> I'm having trouble building ATLAS. It seems to believe I have CPU
> throttling disabled, although I've set the CPU frequency to its
> maximum for all my cores and set the 'governor' to 'performance'.
>
> The commands in question are
>
>  sudo cpufreq-set -c $i -u $MAX_FREQ
>  sudo cpufreq-selector -g performance -c $i
>
> for each processor $i.
>
> Any ideas how to fix this?

What is set in your
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor? If it is not
'performance', try changing it directly instead of using cpufrequtils:

  sudo sh -c "echo performance >
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"

Do the same for the other CPU's.

Johannes