Re: gcc optimizer in -current system ...

[Zach N. Heilig]

On Fri, Sep 24, 1999 at 08:43:37AM -0700, Darryl Okahata wrote:
> "Zach N. Heilig" <[EMAIL PROTECTED]> wrote:
> 
> > The application for the tests is mpg123.
> > test mp3 playing time: 373 seconds.
>      [ ... ]
> >   1) No Optimization
> >        225.08 real       224.30 user         0.23 sys
>      [ ... ]
> >   2) -O3 -mcpu=i486 -march=i486 -fomit-frame-pointer -fschedule-insns
> >      -fschedule-insns2
> >        141.92 real       141.43 user         0.10 sys
> 
>      What do these timings represent?  As you say the mp3 playing time
> is 373 seconds, but the "real" times vary, the timings don't appear to
> be the playing/processing of the mp3 file.

Oops, it is 'mpg123 -t' (decode, but don't do any output -- it doesn't
go to sleep waiting for /dev/dsp, so it runs as fast as it can).

-- 
Zach Heilig <[EMAIL PROTECTED]>


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