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2008 46th Annual Allerton Conference on Communication, Control, and Computing
Energy consumption in a computer system can be reduced by dynamic speed scaling, which adapts the processing speed to the current load. This paper studies the optimal way to adjust speed to balance mean response time and mean energy consumption, when jobs arrive as a Poisson process and processor sharing scheduling is used. Both bounds and asymptotics for the optimal speeds are provided. Interestingly, a simple scheme that halts when the system is idle and uses a static rate while the system isdoi:10.1109/allerton.2008.4797707 fatcat:nzjuxfo5l5derhjytz7g4m3rv4