[MPlayer-users] Newbie question disabling run time
kinali at gmx.net
Mon Aug 25 17:03:58 CEST 2003
On Mon, 25 Aug 2003 22:48:44 +1000
Raena Lea-Shannon <raen7 at ihug.com.au> wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> I am wondering what to do about this message:
> Compiled with Runtime CPU Detection - WARNING - this is not optimal!
> To get best performance, recompile MPlayer with --disable-runtime-cpudetection
> I have checked DOCS and Mail Search Archives.
> I installed MPlayer 0.90rc5-3.3 with rpm compiled for SuSE 8.2. I am running
> an Athlon XP2200.
> 1. Is it worth disabling runtime as advised and if so
Depends, for optimal performance, yes. Depends whether you need the
additional 1-5% of more power.
> 2. How is this done? (I am only used to recompliling when I have installed
> from tarball.) I have looked in man rpm and carried out some queries.
The rpms are always compiled with it because it isnt known on which
cpu the binary is run.
> Is there a -disable-runtime-cpudetection option for
No, it's the other way round, you have to enable runtime cpu detection explicitly.
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