[vorbis] FAQ : CPU requirements ? and other

[Martin Blackwell]

----- Original Message -----
From: "Jon Odegaard" <s13 at refrigerant12.com>
To: <vorbis at xiph.org>
Sent: Thursday, November 07, 2002 6:35 PM
Subject: Re: [vorbis] FAQ : CPU requirements ? and other

<p>> Martin Blackwell wrote:
> >>Mpxplay (http://mpxplay.cjb.net) can play
> >>Vorbis 1.0 encoded files on an AMD 5x86 133mhz
> >>with ca. 70-75% CPU usage and betaN (beta3,beta4)
> >>encoded files with 90-95% ...
> >>But it's a DOS player and it handles/supports
> >>just a few soundcards...
> >
> >
> > FMODs free player www.fmod.org can play Vorbis 1.0 files on a 1.2 GHz
AMD
> > (using an Audigy EX platinum if that makes any difference) at about 5%
cpu
> > usage. (running on Win98SE with 256MB ram & Rambooster running in the
> > background along with a load of other stuff)
>
> 5%?  Winamp/XMMS have never used more than 2% avg for any vorbis or mp3
> stream I've thrown at them so far; this on a K6-III/450 with a plain ol'
> SBLive!.  Or is 5% the CPU load for the entire system with all the
> processes and junk running?
>
> But isn't relating the load on a 1.2 GHz machine rather irrelevant to
> the present discussion anyway?
>
> [For the record:  XMMS takes 0.1% CPU time for 128k mp3, and 1.5% for q3
> vorbis according to top.  This seems odd considering an above statement
> that vorbis is less CPU but more memory intensive.  Is top a bad
> indicator for this?]

theres this graph on the FMOD site about how little cpu usage there is when
running the FMOD API compared to other popular players including winamp. the
5% is the highest cpu vaule i saw displayed in the basic FMOD player.

<p>--- >8 ----
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