Constrained energy allocation for mixed hard and soft real-time tasks

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dc.contributor.authorDoh, Yko
dc.contributor.authorKim, Daeyoungko
dc.contributor.authorLee, YHko
dc.contributor.authorKrishna, CMko
dc.date.accessioned2009-11-26T07:29:57Z-
dc.date.available2009-11-26T07:29:57Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2003-
dc.identifier.citationREAL-TIME AND EMBEDDED COMPUTING SYSTEMS AND APPLICATIONS BOOK SERIES: LECTURE NOTES IN COMPUTER SCIENCE, v.2968, pp.371 - 388-
dc.identifier.issn0302-9743-
dc.identifier.urihttp://hdl.handle.net/10203/13463-
dc.description.abstractVoltage-Clock Scaling (VCS) is an effective approach to reducing total energy consumption in low power microprocessor systems. To provide real-time guarantees, the delay penalty in VCS needs to be carefully considered in real-time scheduling. In addition to real-time requirements, the systems may contain non-real-time tasks whose response time should be minimized. Thus, a combination of optimization objectives should be addressed when we establish a scheduling policy under a power consumption constraint. In this paper, we propose a VCS approach which leads to proper allocations of energy budgets for mixed hard and soft real-time tasks. Based on the schedulability of VCS-EDF, we investigate the characteristics of energy demand of hard periodic and soft aperiodic tasks. Using simulation and subject to a given energy budget, proper voltage settings can be chosen to attain an improved performance for aperiodic tasks while meeting the deadline requirements of periodic tasks.-
dc.description.sponsorshipThe work reported in this paper is supported in part by NSF under Grants EIA-0102539 and EIA-0102696.en
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherSPRINGER-VERLAG BERLIN-
dc.subjectCMOS DIGITAL DESIGN-
dc.titleConstrained energy allocation for mixed hard and soft real-time tasks-
dc.typeArticle-
dc.identifier.wosid000222228500023-
dc.identifier.scopusid2-s2.0-35048834327-
dc.type.rimsART-
dc.citation.volume2968-
dc.citation.beginningpage371-
dc.citation.endingpage388-
dc.citation.publicationnameREAL-TIME AND EMBEDDED COMPUTING SYSTEMS AND APPLICATIONS BOOK SERIES: LECTURE NOTES IN COMPUTER SCIENCE-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorKim, Daeyoung-
dc.contributor.nonIdAuthorDoh, Y-
dc.contributor.nonIdAuthorLee, YH-
dc.contributor.nonIdAuthorKrishna, CM-
dc.type.journalArticleArticle; Proceedings Paper-
dc.subject.keywordPlusCMOS DIGITAL DESIGN-
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