Computer Science 251
Computer Organization and Architecture
Dickinson College
Fall Semester 2003
Grant Braught
Class #20 - Cache Memory
Main Ideas For Today 
- Direct Mapped Cache
- Fully Associative Cache
- Thrashing
- Cache Replacement Policies
Reading Assignment 
- Null & Lobur, Chapter 6, Section 6.4.
Lecture Slides 
- Class #20 - Cache Memory
(Slides are only available for download from on-campus locations)
Web Sites Related to Today's Topic 
- The Fundamentals of Cache
- A page that discusses cache memory, including direct, fully associative and set-associative caches.
- Memory Cache Simulation
- A java applet that animates the operation of cache memory. The animation will work for direct, fully associative and set associative caches.
Homework Assigned Today 
Due Date: 11/25/03
- Null & Lobur, Chapter 6: #2, #4, #9, #10.