Timing Efficiency

[toomanystars]

I have been wondering about this for some time, but is there anyway in C++ to time the length (in milli seconds, seconds etc) of your program. Working on some of the algorithms found in Project Euler, it wold be interesting I think to see if it's possible to make an algorithm quantifiably more efficient.

Note: I only know console.

Thanks,

Mike

[gelatine]

by using clock() you can store the time when you start in x. and if you're done you store clock() in another variable like y. with data type clock_t. but actually ill better show you this example:

#include <stdio.h>
#include <iostream.h>
#include <time.h>

double diffclock(clock_t clock1,clock_t clock2)
{
	double diffticks=clock1-clock2;
	double diffms=(diffticks*1000)/CLOCKS_PER_SEC;
       //CLOCKS_PER_SEC represents the number of clock ticks in a second
	return diffms;
} 

int main (void)
{
        char c[1000]; 
	int i;
	clock_t begin=clock();
	cout << "Hi what is your name? ";
	cin >>c;
	clock_t end=clock();
	cout << "Time elapsed: " << double(diffclock(end,begin)) << " ms"<< endl;
	return 0;
}

[toomanystars]

Fantastic!

Thanks a million!

Mike

[jorz]

Thanks gelatine !!!

[gelatine]

no problemo glad to help :p