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Quasi-Static Voltage Scaling for Energy Minimization with Time Constraints
Linköpings universitet, Institutionen för datavetenskap, ESLAB - Laboratoriet för inbyggda system. Linköpings universitet, Tekniska högskolan.
Linköpings universitet, Institutionen för datavetenskap, ESLAB - Laboratoriet för inbyggda system. Linköpings universitet, Tekniska högskolan.
University of Dortmund.
Robert Bosch GmbH, Stuttgart.
Vise andre og tillknytning
2011 (engelsk)Inngår i: IEEE Transactions on Very Large Scale Integration (vlsi) Systems, ISSN 1063-8210, ISSN 1063-8210, Vol. 19, nr 1, 10-23 s.Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Supply voltage scaling and adaptive body-biasing are important techniques that help to reduce the energy dissipation of embedded systems. This is achieved by dynamically adjusting the voltage and performance settings according to the application needs. In order to take full advantage of slack that arises from variations in the execution time, it is important to recalculate the voltage (performance) settings during runtime, i.e., online. However, optimal voltage scaling algorithms are computationally expensive, and thus, if used online, significantly hamper the possible energy savings. To overcome the online complexity, we propose a quasi-static voltage scaling scheme, with a constant online time complexity O(1). This allows to increase the exploitable slack as well as to avoid the energy dissipated due to online recalculation of the voltage settings.

sted, utgiver, år, opplag, sider
IEEE , 2011. Vol. 19, nr 1, 10-23 s.
Emneord [en]
Clocks, Complexity theory, Energy minimization, Optimization, Program processors, Runtime, Table lookup, Time frequency analysis, online voltage scaling, quasi-static voltage scaling (QSVS), real-time systems, voltage scaling
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-59628DOI: 10.1109/TVLSI.2009.2030199ISI: 000285844200002OAI: oai:DiVA.org:liu-59628DiVA: diva2:352774
Merknad
©2011 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. Alexandru Andrei, Petru Ion Eles, Olivera Jovanovic, Marcus Schmitz, Jens Ogniewski and Zebo Peng, Quasi-Static Voltage Scaling for Energy Minimization with Time Constraints, 2010, IEEE Transactions on Very Large Scale Integration (vlsi) Systems, (19), 1, 10-23. http://dx.doi.org/10.1109/TVLSI.2009.2030199 Tilgjengelig fra: 2010-09-22 Laget: 2010-09-22 Sist oppdatert: 2011-06-21

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