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    题名: Radix-8 New Svobota-Tung Divider with Carry Free Characteristic for Precsaling
    作者: 余繁;Ye, Fun;桂志顥;Kuei, Chih-hao;江正雄 ;Chiang, Jen-shiun
    贡献者: 淡江大學電機工程學系
    关键词: New Svoboda-Tung Division;Floating-Point Division;Prescaling;Radix-8;Signed Digit Number System
    日期: 2008-06-01
    上传时间: 2010-12-01 10:37:03 (UTC+8)
    出版者: 臺北縣:淡江大學
    摘要: In recent years, computer applications have increased in the computational complexity. The speed requirement forces designers of general-purpose microprocessors to pay particular attention to implement the floating point unit (FPU). Anew floating-point division architecture that complies with the IEEE 754-1985 standard is proposed in this paper. This architecture is based on the New Svoboda-Tung (NST) division algorithm and radix-8MROR (maximally redundant optimally recoded) signed digit number system. In NST division, the dividend and divisor must be prescaled. For the divider implementation, a signed digit adder with carry free characteristic is proposed for addition and subtraction, and this adder can improve the cycle time significantly. A radix-8 MROR divider by TSMC 0.25 m technology is thus designed and simulated. The simulation results show that the performance, hardware cost, and power consumption of the proposed divider is competitive to the conventional SRT divider.
    關聯: 淡江理工學刊=Tamkang journal of science and engineering 11(2),頁185-194
    DOI: 10.6180/jase.2008.11.2.10
    显示于类别:[電機工程學系暨研究所] 期刊論文


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