Power-Aware Task Motion: Dynamic Range Enhancement for Power-Aware Embedded Systems
نویسندگان
چکیده
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 and A/C power are 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.
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Power-Aware Task Motion for Enhancing Dynamic Range of Embedded Systems with Renewable Energy Sources
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 abun...
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