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Old 01-15-2007, 07:44 AM   #1
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diff. between elapsed time and cpu time

hi, plz dont mind if this is very silly question.

could tell what is the difference between the
words elapsed time and cpu time.
i.e these are two types of timings for completing
a task.
Old 01-15-2007, 07:57 AM   #2
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Elapsed time is the time as on your wall clock: How long a process has been running since started.

CPU time is the time the CPU has actually spent processing this very process: The accumulated time slices added together. Here is a chapter from the book Linux Kernel Development which gives a brief introduction into Linux kernel scheduling and how processes get split up in time slices.



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