{"title":"混合对数数制算术单元综述","authors":"R. C. Ismail, M. K. Zakaria, S. Murad","doi":"10.1109/CIRCUITSANDSYSTEMS.2013.6671617","DOIUrl":null,"url":null,"abstract":"Logarithmic number system (LNS) arithmetic has the advantages of high performance and high-precision in complex function computation. However, the large hardware problem in LNS addition/subtraction computation has made the large word-length LNS arithmetic implementation impractical. In this paper, the concept of merging the LNS and Floating Point (FLP) operation into a single arithmetic logic unit (ALU) that can execute addition/subtraction and division/multiplication more faster, precise and less complicated has been reviewed. The advantages of using hybrid system were highlighted while comparing and explaining about FLP and LNS.","PeriodicalId":436232,"journal":{"name":"2013 IEEE International Conference on Circuits and Systems (ICCAS)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2013-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"9","resultStr":"{\"title\":\"Hybrid logarithmic number system arithmetic unit: A review\",\"authors\":\"R. C. Ismail, M. K. Zakaria, S. Murad\",\"doi\":\"10.1109/CIRCUITSANDSYSTEMS.2013.6671617\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Logarithmic number system (LNS) arithmetic has the advantages of high performance and high-precision in complex function computation. However, the large hardware problem in LNS addition/subtraction computation has made the large word-length LNS arithmetic implementation impractical. In this paper, the concept of merging the LNS and Floating Point (FLP) operation into a single arithmetic logic unit (ALU) that can execute addition/subtraction and division/multiplication more faster, precise and less complicated has been reviewed. The advantages of using hybrid system were highlighted while comparing and explaining about FLP and LNS.\",\"PeriodicalId\":436232,\"journal\":{\"name\":\"2013 IEEE International Conference on Circuits and Systems (ICCAS)\",\"volume\":\"21 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2013-11-21\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"9\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2013 IEEE International Conference on Circuits and Systems (ICCAS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/CIRCUITSANDSYSTEMS.2013.6671617\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2013 IEEE International Conference on Circuits and Systems (ICCAS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CIRCUITSANDSYSTEMS.2013.6671617","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Hybrid logarithmic number system arithmetic unit: A review
Logarithmic number system (LNS) arithmetic has the advantages of high performance and high-precision in complex function computation. However, the large hardware problem in LNS addition/subtraction computation has made the large word-length LNS arithmetic implementation impractical. In this paper, the concept of merging the LNS and Floating Point (FLP) operation into a single arithmetic logic unit (ALU) that can execute addition/subtraction and division/multiplication more faster, precise and less complicated has been reviewed. The advantages of using hybrid system were highlighted while comparing and explaining about FLP and LNS.
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