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RE: RE: RE: How can I keep track of the execution time of a script?

by acid06 (Friar)
on Oct 05, 2000 at 00:53 UTC ( #35334=note: print w/ replies, xml ) Need Help??


in reply to RE: RE: How can I keep track of the execution time of a script?
in thread How can I keep track of the execution time of a script?

If you're running this script in Windows you can use the Win32::GetTickCount to get the time in miliseconds I would do something like this:

BEGIN { $ms = Win32::GetTickCount(); } END { warn 'This script took ',Win32::GetTickCount() - $ms,'miliseconds'; }


Comment on RE: RE: RE: How can I keep track of the execution time of a script?
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RE: (4) How can I keep track of the execution time of a script?
by Adam (Vicar) on Oct 05, 2000 at 00:58 UTC
    This has several flaws. First, the tick count is not milliseconds. Second, that count could roll in the middle of your execution, yeilding a negative run time. (this happens roughly once a month) Also, it's OS dependant.

    I asked Sarcasmo what OS this was for, and the answer is Linux.

      Yes, it *is* OS dependant, as I said on the first line of my reply. However you're wrong about the tick count, at least according to the Win32 manpage:
      Win32::GetTickCount() [CORE] Returns the number of milliseconds elapsed since the last system boot. Resolution is limited to system timer ticks (about 10 +ms on WinNT and 55ms on Win9X).
      Its resolution is limited, however it is in miliseconds.

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