Slack Exploitation for Aggressive Dynamic Power Reduction in SoC


Milutinović, Aleksandar and Goossens, Kees and Smit, Gerard J.M. (2007) Slack Exploitation for Aggressive Dynamic Power Reduction in SoC. In: ProRISC 2007, 18th Annual Workshop on Circuits, Systems and Signal Processing, 29-30 November 2007, Veldhoven, the Netherlands.

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Abstract:The increasing power consumption of today’s system-on-chip (SoC) outpaces the trend of increasing battery capacity. The applications offered to customers grow tremendously too, a trend that is accelerating in the future. This yields stronger requirements for lower power consumption. During design, a system is dimensioned to worst-case workload requirements. Most of the time, workload is far below this level, which results in slack in some parts of the system. Our idea is to exploit this available slack by using adequate variants of dynamic voltage and frequency scaling and power gating. For scalability reasons, we commence our research with local dynamic adaptive power and frequency scaling, based on the slack observed at run time. This paper presents the motivations and possible directions for our research.
Item Type:Conference or Workshop Item
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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