[FFmpeg-devel] MPEG-2 FLAGS2_FAST benchmarks

[Kieran Kunhya]

On Sun, 14 Jun 2020 at 17:32, Michael Niedermayer <michael at niedermayer.cc>
wrote:

> On Sun, Jun 14, 2020 at 05:05:35PM +0100, Kieran Kunhya wrote:
> > In addition here are results when precomputing the quant tables:
> >
> > Precalculated
> > 6439
> > 6424
> > 6407
> > 6436
> > 6437
> > Mean 6428.6
> > Stdev 13.42758355
>
> does that work on a wider range of videos and CPUs ?
> from what i remember really long ago, that codecs which change the QP
> alot between MBs might need too much data cache on some CPUs for this
> to be faster.
> But time has passed and the environment changed so maybe this is better
> now.
>
> But either way, great work!
> please submit a patch for this if it is consistently better or equal
>

These benchmarks include the removal of FAST mode...

Kieran