Energy-aware scheduling is a challenging problem that has been studied for decades, investigating the trade-off between performance and energy consumption. In early CMOS circuits, Dynamic Voltage and Frequency Scaling (DVFS) techniques allowed drastically reducing the power consumption. Recent technological advancements have decreased the portion of dissipation which is affected by speed scaling, making Dynamic Power Management (DPM) algorithms more effective. However, the adoption of simplistic power models often biased the decision on which technique to adopt, decreasing the effectiveness of the selected implementation. This paper discusses the factors to consider when deciding which technique to implement on a given single-core architecture, highlight the limitations of the current mainstream.
On the effectiveness of energy-aware real-time scheduling algorithms on single-core platforms / Bambagini, Mario; Bertogna, Marko; Buttazzo, Giorgio. - STAMPA. - (2014), pp. 1-8. (Intervento presentato al convegno 19th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA 2014) tenutosi a Barcelona, Spain nel September 2014).
On the effectiveness of energy-aware real-time scheduling algorithms on single-core platforms
Bambagini, Mario;BERTOGNA, Marko;
2014
Abstract
Energy-aware scheduling is a challenging problem that has been studied for decades, investigating the trade-off between performance and energy consumption. In early CMOS circuits, Dynamic Voltage and Frequency Scaling (DVFS) techniques allowed drastically reducing the power consumption. Recent technological advancements have decreased the portion of dissipation which is affected by speed scaling, making Dynamic Power Management (DPM) algorithms more effective. However, the adoption of simplistic power models often biased the decision on which technique to adopt, decreasing the effectiveness of the selected implementation. This paper discusses the factors to consider when deciding which technique to implement on a given single-core architecture, highlight the limitations of the current mainstream.
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