[FFmpeg-devel] [PATCH v2 1/5] libavfilter/x86/vf_gblur: add ff_postscale_slice_avx512()

[James Almer]

On 8/11/2021 6:43 AM, Kieran Kunhya wrote:
> On Wed, 11 Aug 2021 at 08:23, Paul B Mahol <onemda at gmail.com> wrote:
> 
>> will apply if nobody complains.
>>
> 
> Is this really a good idea considering the heavy downclocking of avx512 on
> server SKUs?

You can disable AVX512 at both runtime and compile time. I don't think 
that because there's one CPU arch out there that sees a hit in 
performance for one instruction set we should stop applying code other 
CPUs will benefit from.