[FFmpeg-devel] [PATCH] swscale/x86/input: add AVX2 optimized RGB24 to YUV functions

[James Almer]

On 6/4/2024 4:25 PM, Andreas Rheinhardt wrote:
> James Almer:
>> rgb24_to_uv_8_c: 39.3
>> rgb24_to_uv_8_sse2: 14.3
>> rgb24_to_uv_8_ssse3: 13.3
>> rgb24_to_uv_8_avx: 12.8
>> rgb24_to_uv_8_avx2: 14.3
> 
> Worse than avx and ssse3

Can't be disabled for small sizes.

> 
>> rgb24_to_uv_128_c: 582.8
>> rgb24_to_uv_128_sse2: 127.3
>> rgb24_to_uv_128_ssse3: 107.3
>> rgb24_to_uv_128_avx: 111.3
> 
> Worse than ssse3

I know, but it's not related to this patch.
Same for all the comments below.