[dwm] [OT] frequency scaling and power consumption

BIOS support choosing a smaller multipliers to reduce cpu frequency.
linux also supports frequency scaling such powernowd. Some google
page said cpu throttling can not reduce power consumption. My
experience is that it seems to lower temperature. If it can also
reduce power consumption, I'm willing to save money by running cpu at
half of its current frequency. Any idea.

-- 
regards,
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