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Many high-end computing systems use a large number of power-hungry commercial components to improve performance. Thus power reduction and energy conservation are important in these systems for the purpose of reducing operating costs. Two mechanisms are commonly applied to power reduction in these systems: Dynamic Voltage/Frequency Scaling (DV/FS) and server ON/OFF controlling: Vary-On Vary-Off (VOVF)...
Green computing is a hot topic that received a great amount of interest in the past few years. This paper explores the benefits of Dynamic Voltage/Frequency Scaling (DV/FS) and server number controlling Vary-On Vary-Off (VOVF) for power management in a server cluster. Previous work mostly addressed the DV/FS and VOVF separately. In this paper, an optimization problem is formulated to achieve energy...
Green computing is a topic that receives a great amount of interests in the past few years. Energy proportionality is a principal of ensuring energy consumption is proportional to the system workload. Energy proportional design can effectively improve energy efficiency in computing systems. In this paper, we present an energy proportional model based on queuing theory and service differentiation in...
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