Improved energy-aware strategies for periodic real-time tasks under reliability constraints

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TitreImproved energy-aware strategies for periodic real-time tasks under reliability constraints
Type de publicationConference Paper
Year of Publication2019
AuteursHan L, Canon L-C, Liu J, Robert Y, Vivien F
Conference Name2019 IEEE 40TH REAL-TIME SYSTEMS SYMPOSIUM (RTSS 2019)
PublisherIEEE; IEEE Comp Soc
Conference Location345 E 47TH ST, NEW YORK, NY 10017 USA
ISBN Number978-1-7281-4403-0
Mots-clésenergy-aware systems, Mapping, real-time systems, reliability, scheduling
Résumé

This paper revisits the real-time scheduling problem recently introduced by Haque, Aydin and Zhu (2017). In this challenging problem, task redundancy ensures a given level of reliability while incurring a significant energy cost. By carefully setting processing frequencies, allocating tasks to processors and ordering task executions, we improve on the previous state-of-the-art approach with an average gain in energy of 20%. Furthermore, we establish the first complexity results for specific instances of the problem.

DOI10.1109/RTSS46320.2019.00013