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Meaning of WALL TIME

 
Computing Dictionary
 
 Definition: 

(Or "wall clock time") 1. "Real world" time (what the clock on the wall shows), as opposed to the system clock's idea of time.

2. The real running time of a program, as opposed to the number of ticks required to execute it (on a time-sharing system these always differ, as no one program gets all the ticks, and on multiprocessor systems with good thread support one may get more processor time than real time).

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