difference between elapsed time and the cpu time

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difference between elapsed time and the cpu time

Post by Diya » Tue Jun 20, 2006 4:18 pm

Can anyone tell me what is difference between elapsed time and CPU time ......plz.......

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Joined: Mon Jun 19, 2006 5:23 pm


Post by chris_alex3k » Tue Jun 20, 2006 5:32 pm

Elapsed Time = Waiting time of the Job + CPU Time

other wise

Elapsed Time = Waiting time of the Job + Execution Time

Correct me If i am wrong!!!!

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Joined: Thu Jun 29, 2006 3:48 pm

Post by Juan » Thu Jun 29, 2006 3:56 pm

Elapsed time is wall clock time.
Copu time is just the accumulation of measured CPU usage attributed to the job - not the same as the actual total cpu that job consumed due to capture ratios etc.

So A job can run for an hour and use much less cpu time than an hour - waiting for I/O e.g.

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