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https://hdl.handle.net/2440/51632
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Type: | Journal article |
Title: | A novel implementation of radix-4 floating-point division/square-root using comparison multiples |
Author: | Nikmehr, H. Phillips, B. Lim, C. |
Citation: | Computers and Electrical Engineering, 2010; 36(5 Sp Iss):850-863 |
Publisher: | Pergamon-Elsevier Science Ltd |
Issue Date: | 2010 |
ISSN: | 0045-7906 1879-0755 |
Statement of Responsibility: | H. Nikmehr, B. Phillips, C.C. Lim |
Abstract: | A new implementation for minimally redundant radix-4 floating-point SRT div/sqrt (division/square-root) with the recurrence in the signed-digit format is introduced. The implementation is developed based on the comparison multiples idea. In the proposed approach, the magnitude of the quotient (root) digit is calculated by comparing the truncated partial remainder with 2 limited precision multiples of the divisor (partial root). The digit sign is determined by investigating the polarity of the truncated partial remainder. A timing evaluation using the logical synthesis (Synopsys DC with Artisan 0.18 μm typical library) shows a latency of 2.5 ns for the recurrence of the proposed div/sqrt. This is less than of the conventional implementation. © 2008 Elsevier Ltd. All rights reserved. |
Keywords: | Digit recurrence algorithms SRT division Redundant arithmetic |
Description: | First published online in 2008 |
Rights: | © 2008 Published by Elsevier Ltd |
DOI: | 10.1016/j.compeleceng.2008.04.013 |
Published version: | http://dx.doi.org/10.1016/j.compeleceng.2008.04.013 |
Appears in Collections: | Aurora harvest Electrical and Electronic Engineering publications |
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