Re: [Boost-users] [timer] eclapsed return zero

Subject: Re: [Boost-users] [timer] eclapsed return zero
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2008-09-05 11:14:02

AMDG

gmail wrote:
> Hello, I have used the timer class in my application. It works ok sometime but i 
> think it dont work correctly.
> my code is:
> #include <iostream>
> #include "boost/timer.hpp"
> using namespace std;
> using namespace boost;
> int main()
> {
>    int count=0;
>    timer t;
>    for(;count<1000000;++count);
>    cout<<t.elapsed();
>    return 0;
> }
> and the output:
> 0.015
> execute time :0.062s
>
> sometime the output is:
> 0
> execute time :0.015s
>   

It looks correct to me.  boost::timer is implemented using std::clock()
which has a resolution of about 16 ms on msvc.

In Christ,
Steven Watanabe