Energy-Efficient Real-Time Task Scheduling for a DVS System With a Non-DVS Processing Element

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Provided by: National Taiwan University
Topic: Hardware
Format: PDF
Multiple processing elements are often adopted in the current designs of embedded systems. Such configurations impose challenges on hardware/software co-designs with energy-efficient considerations. This paper targets energy-efficient real-time task scheduling of such popular configurations, in which systems are equipped with a DVS processor and a non-DVS Processing Element (PE). The authors consider task scheduling under different power consumption models of the non-DVS PE. When the power consumption of the non-DVS PE is independent on the assigned workload, a fully polynomial-time approximation scheme is developed for energy-efficient scheduling.
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