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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 資訊工程學系 > 期刊論文 >  Power-Aware Task Motion for Enhancing Dynamic Range of Embedded Systems with Renewable Energy Sources

    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/67174

    Title: Power-Aware Task Motion for Enhancing Dynamic Range of Embedded Systems with Renewable Energy Sources
    Authors: Jinfeng Liu;Pai H. Chou;Nader Bagherzadeh
    教師: 周百祥
    Date: 2003
    Publisher: Springer Verlag
    Relation: Lecture Notes in Computer Science,Volume 2325,2003,pp. 84-99
    Keywords: power-aware scheduling/task motion
    timing/power constraint modeling
    power/performance range
    system-level design
    Abstract: New embedded systems are being built with new types of energy sources, including solar panels and energy scavenging devices, in order to maximize their utility when battery or A/C power is unavailable. The large dynamic range of these unsteady energy sources is giving rise to a new class of power-aware systems. They are similar to low-power systems when energy is scarce; but when energy is abundant, they must be able to deliver high performance and fully exploit the available power. To achieve the wide dynamic range of power/performance trade-offs, we propose a new task motion technique, which tunes the system-level parallelism to the power/timing constraints as an effective way to optimize power utility. Results on real-life examples show an energy reduction of 24% with a 49% speedup over best previous results on the entire system.
    URI: http://www.springerlink.com/
    Appears in Collections:[資訊工程學系] 期刊論文

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