basic cache optimization methods

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Policy for memory hierarchies: L1 data are never found in an L2 cache, refers to

Policy for memory hierarchies: L1 data are never found in an L2 cache, refers to
  • A. Write buffer
  • B. Multilevel exclusion
  • C. Write-through
  • D. Multilevel inclusion
  • Correct Answer: Option B

Natural policy uses for memory hierarchies: L1 data of cache are always present in L2 level of cache, refers to

Natural policy uses for memory hierarchies: L1 data of cache are always present in L2 level of cache, refers to
  • A. Write buffer
  • B. Read buffer
  • C. Write-through
  • D. Multilevel inclusion
  • Correct Answer: Option D

Hardware solutions for synonym problems, are called

Hardware solutions for synonym problems, are called
  • A. Aliasing
  • B. Anti-aliasing
  • C. Hit rate
  • D. Miss rate
  • Correct Answer: Option B

Virtually indexer’s limitation, saying that a cache which is direct-mapped can have a size no bigger than the

Virtually indexer’s limitation, saying that a cache which is direct-mapped can have a size no bigger than the
  • A. Page size
  • B. Frame size
  • C. Cache
  • D. Block
  • Correct Answer: Option A

Increase in width of cache address tag, can be done with the

Increase in width of cache address tag, can be done with the
  • A. Process-identity tag
  • B. Process-identifier term
  • C. Process-identifier tag
  • D. Process-identify tag
  • Correct Answer: Option C