Virtual Memory and Caching

  • TLBs cache translations
  • Copy-on-write for fork
  • Reference counts matter
1 / 4

TLB

  • Cache of page translations
  • LRU replacement in this pack
2 / 4

Copy-on-write

  • Share pages as read-only
  • Copy on first write
3 / 4

What you will build

  • TLB simulator
  • COW refcount simulator
4 / 4
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