15-213 Introduction to Computer Systems
Lecture 27: Multi-Core Architectures

• Reading:
  • Chip Multithreading: Opportunities and Challenges
    Lawrence Spracklen and Santosh B. Abraham
    International Symposium on High-Performance Computer Architecture (HPCA-11), February 2005.
  • A Single-Chip Multiprocessor
    Lance Hammond, Basem A. Nayfeh and Kunle Olukotun
    IEEE Computer Special Issue on "Billion-Transistor Processors", September 1997.
  • The Case for a Single-Chip Multiprocessor
    Kunle Olukotun, Basem A. Nayfeh , Lance Hammond, Ken Wilson and Kun-Yung Chang
    Proceedings of the Seventh International Symposium on Architectural Support for Parallel Languages and Operating Systems, October 1996.
    
• Slides: 27-multicore.pdf
• Code: none
• Concepts:
  • Multi-core chip (CMP)
  • SIMD and MIMD multiprocessors
  • Simultaneous multithreading
  • Private and shared caches
  • Cache coherence
  • Affinity masks
  • Process migration
• Previous lecture: Synchronization
• Next lecture: none

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