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

[Paul B Mahol]

On Wed, Aug 25, 2021 at 3:51 PM James Almer <jamrial at gmail.com> wrote:

> On 8/19/2021 3:58 AM, Paul B Mahol wrote:
> > On Mon, Aug 16, 2021 at 1:49 PM James Almer <jamrial at gmail.com> wrote:
> >
> >> On 8/16/2021 6:27 AM, Wu, Jianhua wrote:
> >>>>
> >>>> Yes, but we don't want to use AVX512 on hardware that downclocks
> >> heavily.
> >>>>
> >>>
> >>> It's okay. Should I updated the configure file to let the
> IceLake-AVX512
> >> to be the minimum baseline or add a new macro name AVX512ICL?
> >>
> >> Update the test in configure to look for an instruction available on Ice
> >> Lake (like VL), then update the check in cpu.c to make sure AVX2 is only
> >> enabled if AVX2-related flags Ice Lake and newer CPUs have in common are
> >> signaled.
> >>
> >
> > I think you are confused. AVX2 is doing fine.
>
> Meant to say AVX512, yes.
>
> What are you planning to push? Was a patch bumping the requirements for
> the current AVX512 flag as discussed submitted or not?
>

Everything. You can add additional commits later when you all finally
decide what to actually do.

>
> >
> >>
> >>>
> >>> Jianhua
> >>>
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