存储层次研究的四个问题 Q1: Where can a block be placed in the upper level? Block placement Q2: How is a block found if it is in the upper level? (Block identification Q3: Which block should be replaced on a miss? (Block replacement Q4: What happens on a write? (Write strategy 计算机体系结构 Chapter514计算机体系结构 Chapter5.14 存储层次研究的四个问题 ▪ Q1: Where can a block be placed in the upper level? (Block placement) ▪ Q2: How is a block found if it is in the upper level? (Block identification) ▪ Q3: Which block should be replaced on a miss? (Block replacement) ▪ Q4: What happens on a write? (Write strategy)