Subj : Re: any function to handle this kind of counting?
To   : comp.programming
From : Rob Thorpe
Date : Mon Aug 01 2005 05:12 am

Randy wrote:
> Jon Harrop wrote:
> > Randy wrote:
> > $ time ./collate4 10 2000   Array based
> >
> > real    0m0.007s
> > user    0m0.010s
> > sys     0m0.000s
> >
>
> That's interesting.  I just wrote an array-based version in C and ran
> it on my 2.2 GHz P4, and my timings were:
>
> % time ./a.out
> 0.000u 0.000s 0:00.00 0.0%      0+0k 0+0io 0pf+0w

Jon, Randy:

This type of timing on Linux/*nix systems where the result of the
"time" command is a very small number doesn't work.  You must make the
program do significant enough amount of work to get the figures into
seconds or at least jiffies before you get a meaningful answer.

.