[FFmpeg-devel] [PATCH] x86/opusdsp: replace loads with shuffles

[James Almer]

On 4/25/2019 2:51 PM, Lynne wrote:
> 
> 
> 
> Apr 25, 2019, 6:44 PM by onemda at gmail.com:
> 
>> On 4/25/19, Paul B Mahol <> onemda at gmail.com <mailto:onemda at gmail.com>> > wrote:
>>
>>> On 4/24/19, Lynne <>> dev at lynne.ee <mailto:dev at lynne.ee>>> > wrote:
>>>
>>>> Has a slight speedup.
>>>> Can't be carried over to aarch64, since it has no shufps-like
>>>> instruction.
>>>>
>>>
>>> On what CPU? And by how much?
>>>
>>
>> Patch should generally be OK if output does not change.
>>
>> Is this code covered by FATE?
>>
> 
> Yes, fate-opus.
> CPU is Skylake, speedup was about 30 decicycles (10512 -> 10482), low enough it could just be noise. The patch just removes some redundant tables.

Pushed, thanks.