On Thu, Dec 07, 2006 at 09:36:29AM -0600, John Goerzen wrote:
>
> * Will cause negligible impact on system performance. ondemand seems
> to have the philosophy of "max system speed unless I can be shown
> that the system is pretty much idle"
This isn't true on this machine here. Enabling it has the following
effects:
1) it slows the CPU down to the point where I can watch the title
bars of windows redraw step-by-step when I move the mouse over them
2) according to the power meter in my UPS, saves approximately 0W
(yes, zero) of electricity.
3) lets the chip run approximately 0°C cooler.
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Pentium(R) 4 CPU 3.00GHz
stepping : 1
analyzing CPU 0:
driver: p4-clockmod
CPUs which need to switch frequency at the same time: 0 1
hardware limits: 375 MHz - 3.00 GHz
available frequency steps: 375 MHz, 750 MHz, 1.13 GHz, 1.50 GHz, 1.88 GHz,
2.25 GHz, 2.63 GHz, 3.00 GHz
OTOH, it works absolutely great on AMD64 chips.
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