[vlc-devel] [PATCH 12/25] packetizer: rewrite startcode_FindAnnexB SSE2 asm

Victorien Le Couviour victorien.lecouviour.tuffet at gmail.com
Tue Apr 14 20:03:40 CEST 2020


Okay I'm in the tramway looking at it again, not much visibility, but I
think I know what is your concern.
I will look at it from a computer screen and try to cross compile or fix,
if what I spotted is confirmed.



On Tue, Apr 14, 2020, 19:13 Victorien Le Couviour <
victorien.lecouviour.tuffet at gmail.com> wrote:

> No, why? Do you see something that appears to break non x86 build?
>
> On Tue, Apr 14, 2020 at 7:06 PM Rémi Denis-Courmont <remi at remlab.net>
> wrote:
>
>> Le tiistaina 14. huhtikuuta 2020, 13.40.23 EEST Victorien Le
>> Couviour--Tuffet a
>> écrit :
>> > This patch optimizes the SS2 implementation by a 62% speedup.
>> > This measurement comes from the bench_asm tool, over 42 runs on average.
>> >
>> > before: 2168.43 cycles
>> >  after: 1349.07 cycles
>>
>> Did you test the build on anything but x86 ?
>>
>> --
>> Rémi Denis-Courmont
>> Tapiolan uusi kaupunki, Uudenmaan tasavalta
>>
>>
>>
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>
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