Online strategies for dynamic power management in systems with multiple power-saving states
ACM Transactions on Embedded Computing Systems (TECS)
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CCGRID '07 Proceedings of the Seventh IEEE International Symposium on Cluster Computing and the Grid
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ICALP '09 Proceedings of the 36th International Colloquium on Automata, Languages and Programming: Part I
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Cluster Computing
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PACS'02 Proceedings of the 2nd international conference on Power-aware computer systems
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ARCS'10 Proceedings of the 23rd international conference on Architecture of Computing Systems
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With the scale expansion of high performance computer systems, efficient power management has developed into an important issue. To strive to balance power consumption and performance, this paper proposes an adaptive workload-driven dynamic power management policy for homogeneous clusters, which dynamically adjusts the power mode of computing nodes according to workload variation. The proposed policy combines the pre-wakeup method and the feedback mechanism to reduce performance degradation due to the wakeup delay. The experimental results demonstrate that, as compared with two existing timeout policies, adaptive workload-driven dynamic power management effectively reduced the performance loss with a slight increase in power consumption.