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See also IoTime

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CPU time reconginzes the distinctuion between WallClockTime and the time the CPU is actually doing calculations. CPU time is computing, not including the time waiting for I/O or other running programs. We kjnow that ResponseTime <> CpuTime!

CPU time can be further divided into:

  • system time - Time spent doing OS work
  • user time - Time spent executing user program 

CPU         + CPU      = ElapsedTime + I/O Time
   System        user

See also IoTime

See p26 Computer Architecture by Hennessy and Paterson

See p58 Compute organization

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CpuTime (last edited 2020-01-26 18:55:39 by scot)