[FFmpeg-devel] [PATCH] avcodec/utvideodec: use cached bitstream reader only on targets with fast 64bit ops

Carl Eugen Hoyos ceffmpeg at gmail.com
Sun Sep 2 21:29:50 EEST 2018



> Am 02.09.2018 um 19:46 schrieb James Almer <jamrial at gmail.com>:
> 
>> On 9/2/2018 5:30 AM, Carl Eugen Hoyos wrote:
>> 
>> 
>>> Am 02.09.2018 um 01:18 schrieb James Almer <jamrial at gmail.com>:
>>> 
>>> Signed-off-by: James Almer <jamrial at gmail.com>
>>> ---
>>> Unbenched, but if x86_32 is slow with it, then chances are so are arm
>>> and similar 32bit architectures.
>> 
>> Please do not commit without benchmarks, I found no other architecture where the new reader is slower.
> 
> I can't bench on anything but x86, which is why i sent this patch to get
> other people's opinions.

Then please don’t commit.

> You tried other 32 bit architectures like arm7 or PPC?

Yes.

 Carl Eugen


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