New Approximate 4:2 Compressor for High Accuracy and Small Area Using MUX Logic
- Authors
- Jeon, Sohyeon; Jeon, Jeawook; Lee, Yubin; Kim, Youngmin
- Issue Date
- 2024
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- 4:2 Compressor; Accuracy; Approximate computing; Delay; multiplier; Power
- Citation
- 2024 International Conference on Electronics, Information, and Communication, ICEIC 2024
- Journal Title
- 2024 International Conference on Electronics, Information, and Communication, ICEIC 2024
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/33067
- DOI
- 10.1109/ICEIC61013.2024.10457270
- ISSN
- 0000-0000
- Abstract
- Approximate computing plays a key role in building energy-efficient high-performance digital systems, as much data and computation are required recently. This paper proposes a new approximate compressor that improves accuracy with faster computation performance. Through analyzing the error occurring cases in the truth table of the compressor, patterns were identified to extract a simplified logic. As a result of evaluating the performance through Vivado simulation, the proposed approximate compressor is operating 16% faster using 43% less power compared to the exact computation and the approximate multiplier using the compressor shows higher accuracy with reduced delay than other multiples. © 2024 IEEE.
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