RE: Optimizing for speed

Trei, Peter (ptrei@securitydynamics.com)
Wed, 18 Feb 1998 10:13:09 -0500

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Try looking at the clock() function, which returns the number of
clock ticks the process has used since it's start. You can
convert this to real time by dividing by the constant
CLOCKS_PER_SEC.

Peter Trei
ptrei@securitydynamics.com

> -----Original Message-----
> From: Chuck McManis [SMTP:cmcmanis@freegate.com]
> Sent: Tuesday, February 17, 1998 6:23 PM
> To: CodherPlunks@toad.com
> Subject: Optimizing for speed
>
> 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

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