Re: [FFmpeg-devel] [PATCH v2 3/5] libswscale: Avx2 hscale can process inputs of any size.

[Alan Kelly <alankelly-at-google.com@ffmpeg.org>]

Hi,

Is anyone interested in this patch? This makes AVX2 hscale work on all
input sizes.

Thanks,

Alan

On Mon, Mar 7, 2022 at 4:27 PM Alan Kelly <alankelly@google.com> wrote:

> Hi Michael,
>
> Thanks for reviewing the first two parts of this patchset.
>
> Is there anybody interested in reviewing this part?
>
> Thanks,
>
> Alan
>
> On Thu, Feb 17, 2022 at 5:21 PM Michael Niedermayer <
> michael@niedermayer.cc> wrote:
>
>> On Thu, Feb 17, 2022 at 11:04:04AM +0100, Alan Kelly wrote:
>> > The main loop processes blocks of 16 pixels. The tail processes blocks
>> > of size 4.
>> > ---
>> >  libswscale/x86/scale_avx2.asm | 48 +++++++++++++++++++++++++++++++++--
>> >  1 file changed, 46 insertions(+), 2 deletions(-)
>>
>> ill wait a few days on this, there are people here who know avx2 better
>> than i do
>> its a while since i wrote x86 SIMD.
>> but if noone else reviews this then ill do
>>
>> thx
>>
>>
>> [...]
>> --
>> Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
>>
>> "You are 36 times more likely to die in a bathtub than at the hands of a
>> terrorist. Also, you are 2.5 times more likely to become a president and
>> 2 times more likely to become an astronaut, than to die in a terrorist
>> attack." -- Thoughty2
>>
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