[x265] arm64 neon asm optimizations

[Gopi Satykrishna Akisetty]

Hi Min,

On Thu, Aug 20, 2020 at 7:48 AM chen <chenm003 at 163.com> wrote:

> Hi Damiano,
>
> Thank your information.
>
> I fast take a look, it is based on Intrinsic, the perforamance strong
> depends on compiler.
> However, it is a good start point to improve our ARM64 performance.
>
> Does there any x265 team member can work on it?
>
Yes, I will start going through the changes and can help in reviewing the
patches.

> I am also glad to help review during my unpaid leave that start at
> September  2020.
>
> Regards,
> Min Chen
>
> At 2020-08-20 00:01:52, "Damiano Galassi" <galad87 at icloud.com> wrote:
> >Hi, Apple contributed to the HandBrake project a x265 patch
> >with a bunch of neon asm to improve x265 performance on Apple’s upcoming ARM Macs,
> >but I don’t have the expertise or the time to review these changes, all I can do is send this patch to you.
> >The code contributed by Apple is under MIT license and without any "copyright assertion on it”.
> >
> >The neon asm speeds up is almost 2x, so I hope someone will try to integrate it.
> >The additions are viewable on https://github.com/HandBrake/HandBrake/commit/67a490a171764eafe8eb8afb72fa1dff763a3275
> >
> >Regards,
> >Damiano Galassi
> >_______________________________________________
> >x265-devel mailing list
> >x265-devel at videolan.org
> >https://mailman.videolan.org/listinfo/x265-devel
>
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>
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