Fundamentals of Parallel Multicore Architecture

Chapter 7

Basic Cache Coherence Issues

Contents

7.1   Overview

7.1.1   Basic Support for Bus-Based Multiprocessors

7.2   Cache Coherence in Bus-Based Multiprocessors

7.2.1   Coherence Protocol for Write Through Caches

7.2.2   MSI Protocol with Write Back Caches

7.2.3   MESI Protocol with Write Back Caches

7.2.4   MOESI Protocol with Write BackCaches

7.2.5   Update-Based Protocol with Write BackCaches

7.3   Impact of Cache Design on Cache Coherence Performance

7.4   Performance and Other Practical Issues

7.4.1   Prefetching and Coherence Misses

7.4.2   Multi-Level Caches

7.4.3   Snoop Filtering

7.5   Broadcast Protocol with Point-to-Point Interconnect

7.6   Exercises

As we have discussed in Chapter 6, hardware support for building a shared ...