15-213 Introduction to Computer Systems
Lecture 12: Cache Memories

• Reading: Ch 6.4-6.8 (Ch 6.1-6.3 also recommended)
• Slides: none
• Video: Lec 12
• Code: none
• Concepts:
  • SRAM and DRAM
  • L1 i-cache and d-cache
  • L2 unified cache
  • Spatial and temporal locality
  • Cache hit and miss
  • Cold miss, conflict miss, capacity miss
  • Direct-mapped cache
  • Associative cache
  • Write-through and no-write-allocate
  • Write-back and write-allocate
• Previous lecture: Out-of-Order Processing
• Next lecture: Linking

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Frank Pfenning