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A simple trick to conserve laptop battery power
Authored by: tooki on Dec 12, '05 09:56:49AM
Not likely. OS X uses 32-bit color internally. Rendering out to a lower bit depth actually requires more CPU (and possibly RAM; this detail I don't know) to calculate. Contrast adjustments, on the other hand, appear to be done in the GPU as gamma curves, which are "free".

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