On Fri, 30 Nov 2007 22:14:08 -0500 Mark Lord <[email protected]> wrote:
> > latency. If your app cant take any latency, you should set those... and
> > the side effect is that the kernel will not do long-latency C-states or
> > P-state transitions..
> ..
>
> I don't mind the cpufreq changing (actually, I want it to drop in cpugfreq
> to save power and keep the fan off), but the C-states just kill this app.
semi-OT: I was finding that disabling cpufreq altogether on the Vaio speeds up
`quilt push 1000' by a lot - around 30% iirc.
There do seem to be some unsophisticated decisions in there and we're losing quite
a bit of performance as a result.
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