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In the past decade, energy-efficient real-time task scheduling has been widely explored in the form of various optimization problems. This paper considers energy-efficient real-time task synchronization protocols and the overhead of frequency switching in real systems design. We propose the concept of frequency locking to better manage the cost in frequency switching. To minimize the energy consumption...
This paper proposes an energy-efficient real-time synchronization protocol with voltage emergency prevention. The protocol locks the processor frequency in a proper way to avoid voltage emergency, and assigns tasks frequencies to minimize the energy consumption under real-time constraint. Extensive simulations were performed to provide insights. The energy consumption could be reduced up to 30% in...
In the past decade, energy-efficient real-time task scheduling has been widely explored in terms of various optimization problems. With a very different goal, this paper considers real-time task synchronization protocols with the minimization of energy consumption. We propose the concept of frequency locking and extend the priority ceiling protocol by locking the processor frequency in a restricted...
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