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Cosynthesis of energy-efficient multimode embedded systems with consideration of mode-execution probabilities
Sch. of Electron. and Comp. Science, University of Southampton, Southampton SO17 1BJ, United Kingdom.
Linköping University, The Institute of Technology. Linköping University, Department of Computer and Information Science, ESLAB - Embedded Systems Laboratory.
2005 (English)In: IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, ISSN 0278-0070, Vol. 24, no 2, 153-169 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, we present a novel co-design methodology for the synthesis of energy-efficient embedded systems. In particular, we concentrate on distributed embedded systems that accommodate several different applications within a single device, i.e., multimode embedded systems. Based on the key observation that operational modes are executed with different probabilities, that is, the system spends uneven amounts of time in the different modes, we develop a new co-design technique that exploits this property to significantly reduce energy dissipation. Energy and cost savings are achieved through a suitable synthesis process that yields better hardware-resource-sharing opportunities. We conduct several experiments, including a realistic smart phone example, that demonstrate the effectiveness of our approach. Reductions in power consumption of up to 64% are reported.

Place, publisher, year, edition, pages
2005. Vol. 24, no 2, 153-169 p.
Keyword [en]
Embedded systems, Energy efficiency, Multimode systems, Power minimization, System-level cosynthesis
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-45513DOI: 10.1109/TCAD.2004.837729OAI: diva2:266409
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2011-01-12

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Eles, Petru Ion
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The Institute of TechnologyESLAB - Embedded Systems Laboratory
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