本讲内容：Cache系统（单处理器） ·为什么需要Cache? 一性能、结构 o the write policy · Cache?有效性的理论基础 how the processor writes data to the cache so that main memory -局部性原理：时间，空间 eventually gets updated; ·影响Cache命中率的因素 ·the mapping function Cache的基本结构，5.3 the link between a block's address Cache的读写操作过程，5.3,5.8 in memory and its location in the cache; Cache-一致性 Block Placement Schemes ·阻塞式Cache the replacement algorithm Cache-MEM映射机制，5.4 the method used to figure out ·块放哪儿？ which block to remove from the cache in order to free up a line. Cachel的替换策略，5.4 Cache控制器：5.9,5.12 COD5 Cache性能分析 5.3,5.4,5.9,5.12,5.8 ·主要见体系结构课 唐：4.3，附录4A Cache Coherence,5.10 ·见体系结构课本讲内容：Cache系统（单处理器） • the write policy – how the processor writes data to the cache so that main memory eventually gets updated; • the mapping function – the link between a block's address in memory and its location in the cache; – Block Placement Schemes • the replacement algorithm – the method used to figure out which block to remove from the cache in order to free up a line. • COD5 – 5.3, 5.4, 5.9, 5.12, 5.8 • 唐：4.3，附录4A • 为什么需要Cache？ – 性能、结构 • Cache有效性的理论基础 – 局部性原理：时间，空间 • 影响Cache命中率的因素 • Cache的基本结构，5.3 • Cache的读写操作过程，5.3，5.8 • Cache一致性 • 阻塞式Cache • Cache-MEM映射机制，5.4 • 块放哪儿？ • Cache的替换策略，5.4 • Cache控制器：5.9，5.12 • Cache 性能分析 • 主要见体系结构课 • Cache Coherence，5.10 • 见体系结构课