caches performance

mcqspedia.com has 4 Question/Answers about Topic caches performance

A better measurement of performance of memory-hierarchy is the

A better measurement of performance of memory-hierarchy is the
  • A. Average memory access time
  • B. Average memory hit rate
  • C. Average memory miss rate
  • D. Write stall
  • Correct Answer: Option A

If processor is not willing in cycle for retiring maximum number of instructions; it is said to be

If processor is not willing in cycle for retiring maximum number of instructions; it is said to be
  • A. In a stalled clock cycle
  • B. Write-back
  • C. Write-through
  • D. Read through
  • Correct Answer: Option A

Time of CPU can be modeled as

Time of CPU can be modeled as
  • A. (CPU execution clock cycles + Memory stall clock cycles) - Clock cycle time
  • B. (CPU execution clock cycles x Memory stall clock cycles) + Clock cycle time
  • C. (CPU execution clock cycles + Memory stall clock cycles)
  • D. (CPU execution clock cycles / Memory stall clock cycles)
  • Correct Answer: Option C

Average access time of memory for having memory-hierarchy performance is given as

Average access time of memory for having memory-hierarchy performance is given as
  • A. Average memory access time = Hit time + Miss rate
  • B. Average memory access time = Hit time + Miss rate
  • C. Average memory access time = Hit time + Miss rate + Miss penalty
  • D. Average memory access time = Hit time + Miss rate - Miss penalty
  • Correct Answer: Option B