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ISCAS
2008
IEEE

Dynamic voltage and frequency scaling circuits with two supply voltages

12 years 2 months ago
Dynamic voltage and frequency scaling circuits with two supply voltages
Abstract— This paper presents circuits that enable dynamic voltage and frequency scaling (DVFS) for finegrained chip multi-processors to reduce both dynamic and leakage power dissipation. Each processor can run on either a high voltage or low voltage power supply, or disconnect from both. Switching between power supplies is performed dynamically, where scaling decisions are based on each processor’s workload, allowing for reduced power consumption without a significant impact on performance. Tradeoffs in performance versus circuit area and supply noise are examined. The DVFS circuits are designed in a wrapper around each individual processor, resulting in a 12% area overhead. DVFS operation utilizing supply
Wayne H. Cheng, Bevan M. Baas
Added 31 May 2010
Updated 31 May 2010
Type Conference
Year 2008
Where ISCAS
Authors Wayne H. Cheng, Bevan M. Baas
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