Meh...
Wikipedia has it better and more comprehensive - https://en.wikipedia.org/wiki/CPU_cache
For usage of caches from a OS, particularly in the context of multicores/multiprocessors see Curt Schimmel's classic Unix Systems for Modern Architectures: Symmetric Multiprocessing and Caching for Kernel Programmers.
alt Hacker News
Meh...
Wikipedia has it better and more comprehensive - https://en.wikipedia.org/wiki/CPU_cache
For usage of caches from a OS, particularly in the context of multicores/multiprocessors see Curt Schimmel's classic Unix Systems for Modern Architectures: Symmetric Multiprocessing and Caching for Kernel Programmers.