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IEICE TRANSACTIONS on Information

Static Task Scheduling Algorithms Based on Greedy Heuristics for Battery-Powered DVS Systems

Tetsuo YOKOYAMA, Gang ZENG, Hiroyuki TOMIYAMA, Hiroaki TAKADA

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Summary :

The principles for good design of battery-aware voltage scheduling algorithms for both aperiodic and periodic task sets on dynamic voltage scaling (DVS) systems are presented. The proposed algorithms are based on greedy heuristics suggested by several battery characteristics and Lagrange multipliers. To construct the proposed algorithms, we use the battery characteristics in the early stage of scheduling more properly. As a consequence, the proposed algorithms show superior results on synthetic examples of periodic and aperiodic tasks from the task sets which are excerpted from the comparative work, on uni- and multi-processor platforms, respectively. In particular, for some large task sets, the proposed algorithms enable previously unschedulable task sets due to battery exhaustion to be schedulable.

Publication
IEICE TRANSACTIONS on Information Vol.E93-D No.10 pp.2737-2746
Publication Date
2010/10/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E93.D.2737
Type of Manuscript
PAPER
Category
Software System

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