Parallel error detection for leading zero anticipation

	Parallel error detection for leading zero anticipation
	Zhang, Ge ; Hu, Wei-Wu ; Qi, Zi-Chu
	2006-11-01
发表期刊	JOURNAL OF COMPUTER SCIENCE AND TECHNOLOGY
ISSN	1000-9000
卷号	21 期号:6 页码:901-906
摘要	The algorithm and its implementation of the leading zero anticipation (LZA) are very vital for the performance of a high-speed floating-point adder in today's state of art microprocessor design. Unfortunately, in predicting "shift amount" by a conventional LZA design, the result could be off by one position. This paper presents a novel parallel error detection algorithm for a general-case LZA. The proposed approach enables parallel execution of conventional LZA and its error detection, so that the error-indication signal can be generated earlier in the stage of normalization, thus reducing the critical path and improving overall performance. The circuit implementation of this algorithm also shows its advantages of area and power compared with other previous work.
关键词	computer arithmetic floating-point addition leading zero anticipation
收录类别	SCI
语种	英语
WOS研究方向	Computer Science
WOS类目	Computer Science, Hardware & Architecture ; Computer Science, Software Engineering
WOS记录号	WOS:000242640200004
出版者	SCIENCE CHINA PRESS
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.204/handle/2XEOYT63/10337
专题	中国科学院计算技术研究所期刊论文_英文
通讯作者	Zhang, Ge
作者单位	1.Chinese Acad Sci, Comp Technol Inst, Key Lab Comp Architecture, Beijing 100080, Peoples R China 2.Grad Univ Chinese Acad Sci, Beijing 100039, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Ge,Hu, Wei-Wu,Qi, Zi-Chu. Parallel error detection for leading zero anticipation[J]. JOURNAL OF COMPUTER SCIENCE AND TECHNOLOGY,2006,21(6):901-906.
APA	Zhang, Ge,Hu, Wei-Wu,&Qi, Zi-Chu.(2006).Parallel error detection for leading zero anticipation.JOURNAL OF COMPUTER SCIENCE AND TECHNOLOGY,21(6),901-906.
MLA	Zhang, Ge,et al."Parallel error detection for leading zero anticipation".JOURNAL OF COMPUTER SCIENCE AND TECHNOLOGY 21.6(2006):901-906.