[FFmpeg-devel] MPEG-2 FLAGS2_FAST benchmarks

[Kieran Kunhya]

In addition here are results when precomputing the quant tables:

Precalculated
6439
6424
6407
6436
6437
Mean 6428.6
Stdev 13.42758355

Kieran

On Sun, 14 Jun 2020 at 16:05, Kieran Kunhya <kierank at obe.tv> wrote:

> Did you remove the branch for FLAGS2_FAST and the large amount of inlined
>> code when making this measurement?
>>
>
>  I used the attached patch to benchmark this:
>
> Normal Removed
> 6616 6553
> 6640 6514
> 6684 6498
> 6588 6505
> 6613 6493
>
> Mean 6628.2 6512.6
> Stdev 36.22430124 23.92279248
>
> This means there is a significant difference to normal MPEG-2 usage when
> the FAST branch is removed.
>
> Kieran
>