dolfin team mailing list archive

[Johannes Ring <johannr@xxxxxxxxx>]

On Wed, Oct 17, 2012 at 7:56 AM, Johannes Ring <johannr@xxxxxxxxx> wrote:
> On Wed, Oct 17, 2012 at 6:52 AM, Anders Logg <logg@xxxxxxxxx> wrote:
>> On Wed, Oct 17, 2012 at 06:38:14AM +0200, Johannes Ring wrote:
>>> 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.
>>
>> That's the strange thing. All 8 of those files already say
>> 'performance'.
>>
>> Does it work on your machine if you run
>>
>>   ./dorsal.sh FEniCS/platforms/contributed/precise-hpc.platform
>
> It looks ok for me. No errors and it is compiling now. I got "Cannot
> detect CPU throttling" but I'm not sure if that's good or bad.
>
> BTW, I commented out the part in atlas.package where you change the
> frequency and governor because I already had it set to 'performance'.

Update: It compiled and installed fine for me.

Johannes