questions about DVFS in saving energy

Kai Chen kch670 at
Wed May 13 14:25:16 CDT 2009

Hi, could anyone here have some idea of the following questions about
Dynamic Voltage/Frequency Scaling techniques used for energy
efficiency, or please give a pointer that I can trace,
1) how many servers in the market support this technique?
2) how many voltages/frequencies can the servers support?
3) What’s the transition time and cost (power) between these


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