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Old 11-03-2004, 03:58 PM   #1
nodger
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Registered: Oct 2003
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Finding out how long a program takes to execute


Is there any command in Linux that I can use to measure the execution time (in milli or micro seconds) of a program?
 
Old 11-03-2004, 04:00 PM   #2
Bebo
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time?
 
Old 11-03-2004, 05:31 PM   #3
shengchieh
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You want time outside or inside the program?

If inside, read the docs for whatever programming
language you're using. I know there are docs for
g77, gcc, and g++. I don't know what programming
languge you are using. For example, in fortran,
you define an array, say INTEGER tick(2), then
use etime, dtime, or wahtever to find the time
of a particular program section. I'm sure there are
similiar stuffs for other languages.

If outside, use a script w/ time before and after
the program, i.e.,

#/bin/sh
time
<your program>
time

Sheng-Chieh
 
  


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