[Ffmpeg-devel] benchmark of different CABAC routines

Guillaume Poirier gpoirier
Tue Oct 10 14:49:23 CEST 2006


Panagiotis Issaris wrote:
> On Tue, Oct 10, 2006 at 02:27:38PM +0200, Michael Niedermayer wrote:
>>>>offtopic ... but can someone fix ffmpeg/configure so it sets march/mtune/mcpu ?
>>>According to the GCC manual, march implies mtune, and mcpu is a (deprecated)
>>>synonym for mtune. Here, my "configure --tune=athlon" sets the -march parameter,
>>>so that should be enough, no?
>>id like some reasonable defaults like if configure is run on a p3 and the
>>user didnt explicitly specifies generic then -march should be set to 
>>just IMHO of course ...
> I see. That would be nice yes.
> Now, /bin/arch on my system just shows "i686" for all recent systems. Parsing
> /proc/cpuinfo would only work on GNU/Linux systems and cpuid based apps only on
> x86. I guess there is no generic way to do this or does anyone know a portable
> way? If there's no generic way, what would be better: An OS specific solution or
> an architecture specific one?

Yes, there's a way to do this:

cd ~/Prgm/
cp -i mplayer/configure ffmpeg/configure


In other words: MPlayer's configure already provides this kind of


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