针对传统基于TCAM的报文分类算法存在功耗较大的问题,提出了一种基于三态位分割的低功耗TCAM报文分类算法——TSP-PR(tri-state-based partition for power reduction)。利用TCAM支持三态位的特点,设计标志位选取函数动态选取标志位划...针对传统基于TCAM的报文分类算法存在功耗较大的问题,提出了一种基于三态位分割的低功耗TCAM报文分类算法——TSP-PR(tri-state-based partition for power reduction)。利用TCAM支持三态位的特点,设计标志位选取函数动态选取标志位划分规则集,报文查找时只选取与待匹配报文相关的子集参与比较,减少了参与匹配的表项数目,从而达到了降低功耗的目的。实验表明,相对于传统基于TCAM的报文分类算法,TSP-PR算法在付出较小存储代价的情况下功耗减少了60%以上。展开更多
Based on mass balance theory and IsoSource program,stable carbon and nitrogen isotopic ratios revealed that small mammals (plateau pika,root vole and plateau zokor) contributed 26.8% and 27.0% and 29.2% to alpine weas...Based on mass balance theory and IsoSource program,stable carbon and nitrogen isotopic ratios revealed that small mammals (plateau pika,root vole and plateau zokor) contributed 26.8% and 27.0% and 29.2% to alpine weasel,steppe polecat and upland buzzard of carnivores as food respectively;adult passerine birds contributed 22.3%,47.7% and 69.1%,with hatchlings contributing 50.9%,25.6% and 1.70% to each respectively.δ 13 C values plotted against δ 15 N indicated significant partitioning in two-dimensional space among the three carnivores.It was reasonable to propose a food resource partitioning among alpine weasel,steppe polecat and upland buzzard,which partially revealed their co-existence mechanisms.展开更多
文摘针对传统基于TCAM的报文分类算法存在功耗较大的问题,提出了一种基于三态位分割的低功耗TCAM报文分类算法——TSP-PR(tri-state-based partition for power reduction)。利用TCAM支持三态位的特点,设计标志位选取函数动态选取标志位划分规则集,报文查找时只选取与待匹配报文相关的子集参与比较,减少了参与匹配的表项数目,从而达到了降低功耗的目的。实验表明,相对于传统基于TCAM的报文分类算法,TSP-PR算法在付出较小存储代价的情况下功耗减少了60%以上。
文摘Based on mass balance theory and IsoSource program,stable carbon and nitrogen isotopic ratios revealed that small mammals (plateau pika,root vole and plateau zokor) contributed 26.8% and 27.0% and 29.2% to alpine weasel,steppe polecat and upland buzzard of carnivores as food respectively;adult passerine birds contributed 22.3%,47.7% and 69.1%,with hatchlings contributing 50.9%,25.6% and 1.70% to each respectively.δ 13 C values plotted against δ 15 N indicated significant partitioning in two-dimensional space among the three carnivores.It was reasonable to propose a food resource partitioning among alpine weasel,steppe polecat and upland buzzard,which partially revealed their co-existence mechanisms.
