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Determining the Optimal Timeout Values for a Power-Managed System based on the Theory of Markovian Processes: Offline and Online Algorithms

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2 Author(s)
Peng Rong ; Dept. of Electr. Eng., Southern California Univ., Los Angeles, CA ; Pedram, M.

This paper presents a timeout-driven DPM technique which relies on the theory of Markovian processes. The objective is to determine the energy-optimal timeout values for a system with multiple power saving states while satisfying a set of user defined performance constraints. More precisely, a controllable Markovian process is exploited to model the power management behavior of a system under the control of a timeout policy. Starting with this model, a perturbation analysis technique is applied to develop an offline gradient-based approach to determine the optimal timeout values. Online implementation of this technique for a system with dynamically-varying system parameters is also described. Experimental results demonstrate the effectiveness of the proposed approach

Published in:

Design, Automation and Test in Europe, 2006. DATE '06. Proceedings  (Volume:1 )

Date of Conference:

6-10 March 2006

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