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Diet SODA: A power-efficient processor for digital cameras

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6 Author(s)
Sangwon Seo ; Department of Electrical and Computer Engineering, University of Michigan, Ann Arbor, MI 48109 ; Dreslinski, R.G. ; Woh, M. ; Chakrabarti, C.
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Power has become the most critical design constraint for embedded handheld devices. This paper proposes a power-efficient SIMD architecture, referred to as Diet SODA, for DSP applications. The key design idea is to apply near-threshold operation on a single instruction and multiple data (SIMD) architecture to significantly lower the power consumption. The major features of Diet SODA are very wide SIMD width, scatter/gather data prefetcher, and dual mode operation. A case study was performed on digital still camera (DSC) applications; the results show that Diet SODA achieves ∼130x better performance and ∼340x better energy efficiency than a DSP solution.

Published in:

Low-Power Electronics and Design (ISLPED), 2010 ACM/IEEE International Symposium on

Date of Conference:

18-20 Aug. 2010

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