Energy Minimization With Soft Real-Time and DVS for Uniprocessor and Multiprocessor Embedded Systems

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Provided by: edaa
Topic: Hardware
Format: PDF
Energy-saving is extremely important in real-time embedded systems. Dynamic Voltage Scaling (DVS) is one of the prime techniques used to achieve energy-saving. Due to the uncertainties in execution times of some tasks of systems, this paper models each varied execution time as a random variable. By using probabilistic approach, the authors propose two optimal algorithms, one for uniprocessor and one for multiprocessor to explore soft real-time embedded systems and avoid over-designing them. Their goal is to minimize the expected total energy consumption while satisfying the timing constraint with a guaranteed confidence probability.
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