[Ffmpeg-devel] benchmark of different CABAC routines
Tue Oct 10 14:27:38 CEST 2006
On Tue, Oct 10, 2006 at 01:43:17PM +0200, Panagiotis Issaris wrote:
> On Tue, Oct 10, 2006 at 01:28:24PM +0200, Michael Niedermayer wrote:
> > BRANCHLESS C -march=athlon -mcpu=athlon -mtune=athlon
> > 4908 dezicycles in decode_residual, 2094945 runs, 2207 skipsbits/s dup=0 drop=0
> > BRANCHLESS C
> > 5558 dezicycles in decode_residual, 2094664 runs, 2488 skipsbits/s dup=0 drop=0
> > ill also run benchmarks on an athlon later if noone is quicker, but ive no P4
> > 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 ...
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
In the past you could go to a library and read, borrow or copy any book
Today you'd get arrested for mere telling someone where the library is
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