wall clock

See also: wallclock

English
A wall clock

Noun

wall clock (plural wall clocks)

  1. A clock mounted on a wall.
  2. (computing) The measure of wall time, the actual amount of time taken from the start to the end of an operation.
    • 1996, Roger W. Hockney, The Science of Computer Benchmarking, SIAM, →ISBN, pages 19–20:
      In recent years a consensus has been reached among many scientists in the field that the most relevant measure of run time is actual wall-clock elapsed time.

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