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DMIPS and CoreMark are quoted because clock frequency alone does not indicate

  • A.how much work is done per cycle
  • B.the maximum temperature at which the part will run
  • C.the current the core draws while running
  • D.the number of peripherals the device carries

Answer: A

Two parts at the same megahertz may differ threefold in throughput according to their cycles per instruction, their memory wait states and their pipeline depth. A benchmark measures the product of frequency and efficiency, which is what an application feels.

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