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A power capping controller for multicore processors
2012
2012 American Control Conference (ACC)
This paper presents an online controller for tracking power-budgets in multicore processors using dynamic voltage-frequency scaling. The proposed control law comprises an integral controller whose gain is adjusted online based on the derivative of the power-frequency relationship. The control law is designed to achieve rapid settling time, and its tracking property is formally proven. Importantly, the controller design does not require off-line analysis of application workloads making it
doi:10.1109/acc.2012.6314995
fatcat:wlhfuyuugjdfdcdxpz2yhe35pa