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School of Computer Science & Engineering
University of New South Wales
 Advanced Operating Systems 
 COMP9242 2002/S2 

Physical Caches

• No synonym problem
• No homonym problem
• Easy to manage
• If small or highly associative (all index bits come from page offset)
  indexing can be in parallel with address translation.
  • Attractive feature for intermediate level cache.
• Cache can use bus snooping to receive/supply DMA data
• Usable as off-chip cache with any architecture.