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一种基于ESVW技术的新型载入存储队列设计
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作者 马汝亮 谢憬 毛志刚 《微电子学与计算机》 CSCD 北大核心 2013年第7期20-23,共4页
在超标量处理器设计中,SVW技术通过降低重新执行的载入指令数目提高系统性能.本文提出一种基于ESVW技术的新型载入存储队列设计方案,使得SVW结构中的SSBF不仅记录SSN值,同时记录存储地址和数值,重新执行的载入指令就可以从中获取数据而... 在超标量处理器设计中,SVW技术通过降低重新执行的载入指令数目提高系统性能.本文提出一种基于ESVW技术的新型载入存储队列设计方案,使得SVW结构中的SSBF不仅记录SSN值,同时记录存储地址和数值,重新执行的载入指令就可以从中获取数据而不必访问缓存,进一步降低指令的重新执行率.实验结果显示,最优情况下,超过99%的载入指令免于二次访问缓存,系统性能提高约2%. 展开更多
关键词 超标量处理器 LSQ SVW ssbf
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Extraction and evolution of grader’s bionic morphological feature line using shape structure behavior function model
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作者 Bin Qi Yubin Lan +3 位作者 Xiaoming Sun He Zhu Yanhao Li Ke Lou 《International Journal of Agricultural and Biological Engineering》 SCIE 2024年第2期74-84,共11页
To improve the innovation of agricultural machinery product styling,this paper proposes a shape structure behavior function(SSBF)model suitable for the industrial design field.The feature line evolution method combini... To improve the innovation of agricultural machinery product styling,this paper proposes a shape structure behavior function(SSBF)model suitable for the industrial design field.The feature line evolution method combining shape grammar and genetic algorithm was used for modelling the of the grader,which not only maintains the product style characteristics but also reflects the typical identification characteristics of the bionic prototype and produces a new product modelling scheme.By conducting cognitive and recognition experiments on product styling features,the ranking of product styling features and the contribution of each component to product styling were determined.The method of combining shape grammar and quadratic Bézier curve was used to express and encode feature lines,and genetic algorithm was used to evolve biomimetic forms to form product feature lines with typical biological morphological features;The extracted form bionic elements were integrated into the grader modelling design,and the interaction evaluation was carried out through the genetic algorithm evolution scheme.The basic form elements were extracted and analyzed,and the deduction rules were formulated and reorganized.The derived feature line geometric data considered the product’s image features and the bio-inspired prototype,which can be used for the follow-up guidance of industrial design schemes. 展开更多
关键词 bionic design shape-structure-behavior-function ssbf biologically inspired design BID shape grammars Quadratic Bézier curves
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