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SubjectRe: [RFC PATCH v5 0/7] Tunable sched_mc_power_savings=n

> Results:
> --------
>
> Basic functionality of the code has not changed and the power vs
> performance benefits for kernbench are similar to the ones posted
> earlier.
>
> KERNBENCH Runs: make -j4 on a x86 8 core, dual socket quad core cpu
> package system
>
> SchedMC Run Time Package Idle Energy Power
> 0 81.28 52.43% 53.53% 1.00x J 1.00y W
> 1 80.71 37.35% 68.91% 0.96x J 0.97y W
> 2 76.05 23.81% 82.65% 0.92x J 0.98y W
>
> *** This is RFC code and not for inclusion ***

Hmm, so it makes it compile faster _and_ it saves power? Why to keep
it tunable at all if it is win-win? Or are there other benchmarks?

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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