{"title":"Fast multiply and divide for a VLSI floating-point unit","authors":"B. K. Bose, Li-fan Pei, G. Taylor, D. Patterson","doi":"10.1109/ARITH.1987.6158684","DOIUrl":null,"url":null,"abstract":"This paper presents the design of a fast and area-efficient multiply-divide unit used in building a VLSI floating-point processor (FPU), conforming to the IEEE standard 754. Details of the algorithms, implementation techniques and design tradeoffs are presented, The multiplier and divider are implemented in 2 micron CMOS technology with two layers of metal, and occupy 23 square mm (23% of the entire FPU). We expect to perform extended-precision multiplication and division in 1.1 and 2.8 microseconds, respectively.","PeriodicalId":424620,"journal":{"name":"1987 IEEE 8th Symposium on Computer Arithmetic (ARITH)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1987-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"15","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"1987 IEEE 8th Symposium on Computer Arithmetic (ARITH)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ARITH.1987.6158684","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 15
Abstract
This paper presents the design of a fast and area-efficient multiply-divide unit used in building a VLSI floating-point processor (FPU), conforming to the IEEE standard 754. Details of the algorithms, implementation techniques and design tradeoffs are presented, The multiplier and divider are implemented in 2 micron CMOS technology with two layers of metal, and occupy 23 square mm (23% of the entire FPU). We expect to perform extended-precision multiplication and division in 1.1 and 2.8 microseconds, respectively.
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