Re: Optimizing for speed

Bill Frantz (frantz@netcom.com)
Tue, 17 Feb 1998 22:50:50 -0800

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At 3:23 PM -0800 2/17/98, Chuck McManis wrote:
>So I've got some algorithms that I'm trying to squeeze more speed
>out of, and while I'm not quite as fanatical as the DES search
>team I do find myself at a loss for tools. My environment is
>VC++5 on a Win95 platform and what I'd like is something like :
>
> long long t1, t2;
> t1 = snap_time(); /* time in nSecs */
> ... do something ...
> t2 = snap_time();
> printf("This run took %ld nS\n", (long)(t2 - t1));
>
>I've yet to find something in my search through various
>manuals...
>
>--Chuck

Look at the QueryPerformanceCounter function. This will give you time in
machine cycles.

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