CPU 缓存架构演进中的统一缓存与分离缓存注：本文为 “CPU 缓存” 相关讨论合辑。 英文引文，略作重排。 如有内容异常，请看原文。When Intel introduced the 80486 in 1989, they included their first on-chip cache, ostensibly to compete better with Motorola, who had been including on-chip caches for 5 years (MC68020, 1984). 1989 年 Intel 推出