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Dynamic Voltage Scaling for Energy Reduction

 Thomas D. Burd, Ph.D.
  23rd-Feb-2010
Description: DVS can improve CPU energy efficiency > 10x. Clock frequency best managed by operating system. With custom regulator loop, can trade-off supply ripple for better voltage tracking system. All processor system circuits can be designed for robust operation from VT to max. VDD. DVS minimally impacts design verification complexity. Adaptive body-bias technique allows DVS to scale to deep sub-micron technologies.
Views: 2453
Domain: Electronics
Category: IT
Contents:
Dynamic Voltage Scaling for Energy Reduction
Thomas D. Burd, Ph.D. Consultant Berkeley, CA

Processors for Portable Devices
Performance (MIPS)
1000

100

Dynamic Voltage Scaling

Notebook Computers Pocket-PCs

10

1

PDAs

Processor Energy (Watt*sec)
T. Burd (2/45)

0.1

1

10

� Eliminate performance energy trade-off.

Processor Usage Model
Compute-intensive and low-latency process ... See more

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