A novel majority based imprecise 4:2 compressor with respect to the current and future VLSI industry |
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| Affiliation: | 1. Nanotechnology and Quantum Computing Lab., Shahid Beheshti University, G.C., Tehran, Iran;2. Department of Computer Engineering, Vali-e-Asr University of Rafsanjan, P.O. Box 518, Rafsanjan, Iran;3. Department of Electrical Engineering and Computer Science, University of California, Irvine, USA\n;1. Department of Computer Science and Engineering, Shahid Beheshti University, Tehran, Iran;2. Nanotechnology and Quantum Computing Lab of the Shahid Beheshti University, Tehran, Iran;3. Faculty of Electrical Engineering, Shahid Beheshti University, Tehran, Iran;4. Department of Electrical Engineering and Computer Science, University of California, Irvine, USA;1. School of Computer Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran;2. Faculty of Computer Science and Engineering, Shahid Beheshti University, GC, Tehran, Iran;3. Faculty of Electrical and Computer Engineering, University of Tehran, Tehran, Iran |
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| Abstract: | Imprecising the arithmetic hardware blocks is well known as one of the brilliant approaches that increase the performance of digital signal processors (DSP) at the cost of imposing some acceptable errors. Making a trade-off between the performance and the enormous results of a given system is a challenge which has attracted the interest of many researchers in recent years. In this paper, we focus on the design of an imprecise 4:2 compressor which lies at the heart of inexact multipliers. The proposed imprecise 4:2 compressor by utilizing only one majority gate brings significant efficiency in implementation of today's technologies like FinFET and future majority based emerging technologies such as QCA. The evaluation results in both of aforesaid technologies demonstrate the remarkable improvement of the proposed design compared to related works. In addition, employing the proposed imprecise 4:2 compressor in an image processing application confirms the qualitative acceptability of the proposed design. |
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