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[c++] get system time

Posted on 2007-11-26
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Last Modified: 2008-02-01
I need to benchmark some of my function to see how long it takes for them to run.


is it possible to do this?

time = gettime()


cou << gettime() - time ;
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Question by:Troudeloup
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Jaime Olivares earned 2000 total points
ID: 20354340
if you want only the difference in seconds, you can use time() function:

time_t t1 = time(NULL);
//do some tasks here
time_t t2 = time(NULL);

cout << "Lapse:" << (t2-t1) << "seconds" << endl;
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LVL 55

Expert Comment

by:Jaime Olivares
ID: 20354366
for milliseconds use GetTickCount();

DWORD t1 = GetTickCount();
//do some tasks here
DWORD t2 = GetTickCount();

cout << "Lapse:" << (t2-t1) << "miliseconds" << endl;
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