NDLI: DARTS: DynAmic Real-time Task Scheduling

Content Provider	IEEE Xplore Digital Library
Author	Ghavidel, A. Nik, S.S.M. Hajibegloo, M. Naghibzadeh, M.
Copyright Year	2015
Description	Author affiliation: Dept. of Comput. Eng., Ferdowsi Univ. of Mashhad, Mashhad, Iran (Ghavidel, A.; Nik, S.S.M.; Hajibegloo, M.; Naghibzadeh, M.)
Abstract	Real-time systems often involve time critical control tasks in which their correctness depends not only on the functionality but also on timeliness. In order to guarantee the timely-correctness, real-time scheduling has been studied extensively. The main problem of multiprogramming scheduling on a single processor is that an optimum fixed priority scheduler has a least upper bound to processor utilization, which is around 70 percent for large tasksets, in contrast, full processor utilization can be achieved by dynamically assigning priorities. In this paper DynAmic Real-time Task Scheduling (DARTS) algorithm is proposed, which is based on dynamic utilization and assigns higher priority to a task with the highest utilization with regard to its laxity. Eventually, this method is extended for multiprocessor systems and we demonstrate that not only does DARTS algorithm have better utilization than existing global EDF schedulability tests, but it also has significantly well outputs in total utilization less than 90 percent.
Starting Page	1
Ending Page	6
File Size	925044
Page Count	6
File Format	PDF
ISBN	9781467374835
e-ISBN	9781467374859
DOI	10.1109/IKT.2015.7288767
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-26
Publisher Place	Iran
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Schedules Dynamic priority Real-time scheduling Scheduling algorithms Heuristic algorithms Dynamic utilization Dynamic scheduling Real-time systems
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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