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The PowerClamp driverThe PowerClamp driverPosted Mar 11, 2013 13:06 UTC (Mon) by ssam (subscriber, #46587)In reply to: The PowerClamp driver by dlang Parent article: The PowerClamp driver
if i am running a process that is limited by memory bandwidth, wont the CPU be spend lots of time idle, and so reducing the power consumption already? Can the CPU sleep while it is waiting for something to be fetched from RAM?
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The PowerClamp driver Posted Mar 11, 2013 20:28 UTC (Mon) by dlang (✭ supporter ✭, #313) [Link]
not really, it takes a long time for the processor to go to sleep and wake up again, long enough that it's frequently better for the processor to idle at high speed rather than go into sleep mode.
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