{"title":"通过双向逆向计算的节能加法","authors":"S. Wimer, A. Stanislavsky, A. Kolodny","doi":"10.1109/EEEI.2012.6377135","DOIUrl":null,"url":null,"abstract":"This paper shows how addition can be accelerated by considering the carry as being propagating from LSB and from MSB towards a midpoint. A closed form expression for the optimal midpoint is derived. The acceleration is used to reduce the energy consumed by the adder. A 64 bit adder targeting 500MHz clock frequency, designed in 65 nanometers, consumed 18% less energy and area compared to adder generated by state-of-the-art EDA synthesis tool.","PeriodicalId":177385,"journal":{"name":"2012 IEEE 27th Convention of Electrical and Electronics Engineers in Israel","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Energy efficient addition by two-sided carry-reverse computation\",\"authors\":\"S. Wimer, A. Stanislavsky, A. Kolodny\",\"doi\":\"10.1109/EEEI.2012.6377135\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper shows how addition can be accelerated by considering the carry as being propagating from LSB and from MSB towards a midpoint. A closed form expression for the optimal midpoint is derived. The acceleration is used to reduce the energy consumed by the adder. A 64 bit adder targeting 500MHz clock frequency, designed in 65 nanometers, consumed 18% less energy and area compared to adder generated by state-of-the-art EDA synthesis tool.\",\"PeriodicalId\":177385,\"journal\":{\"name\":\"2012 IEEE 27th Convention of Electrical and Electronics Engineers in Israel\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-12-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2012 IEEE 27th Convention of Electrical and Electronics Engineers in Israel\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/EEEI.2012.6377135\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 IEEE 27th Convention of Electrical and Electronics Engineers in Israel","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/EEEI.2012.6377135","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Energy efficient addition by two-sided carry-reverse computation
This paper shows how addition can be accelerated by considering the carry as being propagating from LSB and from MSB towards a midpoint. A closed form expression for the optimal midpoint is derived. The acceleration is used to reduce the energy consumed by the adder. A 64 bit adder targeting 500MHz clock frequency, designed in 65 nanometers, consumed 18% less energy and area compared to adder generated by state-of-the-art EDA synthesis tool.
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