An Energy-efficient and High-precision Approximate MAC with Distributed Arithmetic Circuits
Authors: 
Ziying Cui, Ke Chen, Bi Wu, Chenggang Yan, Weiqiang LiuAuthors Info & Claims
Ziying Cui, Ke Chen, Bi Wu, Chenggang Yan, Weiqiang LiuAuthors Info & ClaimsPages 315 - 318
Abstract
In this paper, an approximate distributed arithmetic (DA) based parallel MAC is proposed. First, by adopting three kinds of approximation methods, the novel structure significantly reduces hardware complexity. Then, the result is compensated according to the analysis of the probability to enhance the precision. The hardware and error metric evaluation demonstrates that the proposed MAC achieves 25% power-delay product reduction while maintaining better precision. Finally, the Gaussian Blur application is employed to verify the proposed DA-based MAC with 6dB average PSNR improvement compared with recent state-of-the-art work.
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Published In
June 2022
560 pages
ISBN:9781450393225
DOI:10.1145/3526241
- General Chairs:
- Ioannis Savidis,
- Avesta Sasan,
- Program Chairs:
- Himanshu Thapliyal,
- Ronald F. DeMara
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Published: 06 June 2022
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