[FFmpeg-devel] H264 cleanup performance effects

wm4 nfxjfg at googlemail.com
Sun Mar 22 19:35:16 CET 2015


On Sun, 22 Mar 2015 13:07:09 -0400
"Ronald S. Bultje" <rsbultje at gmail.com> wrote:

> Hi,
> 
> On Sun, Mar 22, 2015 at 12:15 PM, wm4 <nfxjfg at googlemail.com> wrote:
> 
> > I hope FFmpeg doesn't value speed over clean code. (Oh who am I
> > kidding, the worst abuse is ok if it makes it 1% faster!)
> 
> 
> I think this is unfair. Your statements suggests:
> - that the slowdown is a direct effect of making the code cleaner;
> - that any speedup to undo such slowdowns would automatically lead to ugly
> code again.
> 
> You have no evidence for either statement. Anton posted a double-digit
> patchset, and although I'm sure the end result is cleaner (I have no
> opinion), you'd need to figure out _which_ patch(es) made things slower and
> _why_ (cosmetics? or unrelated?), before you can prove #1. All you have
> right now is apples and pears. #2 is impossible to prove.

Yeah, sorry for jumping to conclusions.

And I suppose the correct way to call these commits is not "cosmetics"
but "refactoring".


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