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A comprehensive analysis of energy savings in dynamic supply voltage scaling systems using data dependent voltage level selection

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2 Author(s)
Chandrasena, L.H. ; Dept. of Electr. & Electron. Eng., Adelaide Univ., SA, Australia ; Liebelt, M.J.

We extend our analysis of the data-dependent quantized voltage level selection (DDLS) technique for dynamic supply voltage scaling (DSVS) systems. The energy analysis was performed using a very conservative energy model considering all combinations of two, three and four quantized voltage levels, and the minimum-energy-yielding quantized voltage levels were selected. For test data, we used nine 300-frame MPEG-2 video sequences in QCIF (Quarter Common Intermediate Format). Our results indicate that energy savings of up to 12% are achievable by selecting quantized voltage levels based on the workload distribution

Published in:

Multimedia and Expo, 2000. ICME 2000. 2000 IEEE International Conference on  (Volume:2 )

Date of Conference:

2000

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