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Real-time task scheduling for a variable voltage processor

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3 Author(s)
T. Okuma ; Dept. of Comput. Sci. & Commun. Eng., Kyushu Univ., Fukuoka, Japan ; T. Ishihara ; H. Yasuura

The paper presents a real time task scheduling technique with a variable voltage processor which can vary its supply voltage dynamically. Using such a processor, running tasks with a low supply voltage leads to drastic power reduction. However, reducing the supply voltage may violate real time constraints. We propose a scheduling technique which simultaneously assigns both CPU time and a supply voltage to each task so as to minimize total energy consumption while satisfying all real time constraints. Experimental results demonstrate effectiveness of the proposed technique

Published in:

System Synthesis, 1999. Proceedings. 12th International Symposium on

Date of Conference:

Nov 1999