[Pkg-phototools-devel] Bug#855359: Bug#855359: darktable: 2.2.1 binary very slow compared to self-compiled

[Matthias Bodenbinder]

Am 06.03.2017 um 13:07 schrieb David Bremner:
> Matthias Bodenbinder <matthias at bodenbinder.de> writes:
> 
>>
>> I am wondering if it has to do with the fact that I am using the latest Kaby Lake CPU i7-7700k? 
>>
>> The Equalizer module in my case improves from 6,9 s to 3,0 s and non-local means noise reduction improves from 10,3 s to 8,7 s. 
>>
>> They both sum up to 17,2 s with the debian testing binary and 11,7 s with my self-compiled binary. This is a 32% difference. 
>>
>> What else can I do to help debugging? 
> 
> Is that 32% difference with 2.2.3-1 or with 2.2.3-2?
> 
> d
> 

Yes, this is the diff between DT 2.2.3 self-compiled vs. debian experimental. But the diff is basically the same for DT 2.2.1 self-compiled vs. debian teating. I tested both scenarios.