Memory Systems

CHAPTER 2

Logical Organization

A cache’s logical organization embodies two primary concepts:

1. Physical parameters that determine how the cache is addressed, how it is searched, and what it can store

2. Whether the cache is responsible for performing the various management heuristics on the client’s behalf, or whether the client (e.g., a software application using the cache) is responsible

The logical organization of a cache influences how the data is stored in the cache and how it is retrieved from the cache. Deciding what to store is a different issue and will be covered in following chapters, as will the topic of maintaining the data’s consistency. However, and this is an extremely important point, though the determination of what to ...