in reply to Re^3: Threads From Hell #2: How To Parse A Very Huge File
in thread Threads From Hell #2: How To Search A Very Huge File [SOLVED]

For the grep example 60+60+42=162 which is 2m42s. But user+sys (20+5) is 0m25s. What do i miss?

The wait time is not computed in the time output. This demonstration is IO bound. Basically, CPUs idle when waiting for IO.

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