Eduard Bloch <[EMAIL PROTECTED]> writes:
> #include <hallo.h>
> * Tobias Wolter [Sun, Nov 09 2003, 04:52:54PM]:
> > On 2003-11-09T16:19:21+0100 (Sunday), Eduard Bloch wrote:
> > > * Tobias Wolter [Sun, Nov 09 2003, 03:47:15PM]:
> > > >> # time bzip2 -9 < out.wav > /dev/null
> > > > [...]
> > > >> # time /tmp/bzip2-1.0.2/bzip2 -9 < out.wav > /dev/null
> > > >> Do you see now that 8 of your 10 percent come directly from the
> > > >> application code and other two maybe from the optimized libc?
> > > > You did think of caching, did you?
> > > You did think of reading time(1), did you?
> >
> > $ time bzcat \#debian.de_2003-07-10.log.bz2 > /dev/null; \
> > sleep 10; \
> > time bzcat \#debian.de_2003-07-10.log.bz2 > /dev/null
>
> And you wanna say... what?!
>
> > real 0m0.068s
> > user 0m0.030s
> ...
> > user 0m0.030s
>
> Comparing with something you quoted away:
>
> |# time bzip2 -9 < out.wav > /dev/null
> |
> |real 0m48.989s
> |user 0m41.930s
> ...
> |user 0m38.920s
>
> Hint: the 'real' output was not relevant.
>
> MfG,
> Eduard.
I think he ment that the reduced sys time might be caused by the wav
file being cached.
MfG
Goswin
