Messages in this thread |  | | | Date | Sun, 20 Jan 2008 20:16:43 +0100 | | From | Andi Kleen <> | | Subject | Re: PROBLEM: Celeron Core |
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> I believe that all throttling does is forcibly halt the CPU on a > particular duty cycle. This will reduce the rate of power consumption, > but reduces the CPU performance by a greater amount (since even at 100% > halted the CPU still consumes power) and so actually reduces performance > per watt. It will spread the heat and power usage produced from a given > workload task out in time (thus its usefulness in limiting CPU > temperature) but will consume more power overall.
...and more importantly deep sleep states in idle save far more power than anything else and with throttling the CPU is idle shorter.
-Andi
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