Darktable Windows: Low performance exporting images



Hi folks,

on my PC exporting a 20MP CR2 to a 16Bit TIFF takes about 2:45 minutes, even with a completely empty history stack. Is this normal ? LR5 needs only 3 seconds for the same export.

OP-System, Microsoft Windows 10 Pro
Version 10.0.16299 Build 16299
CPU: i5-4570 CPU @ 3.20GHz, 3201 MHz, 4 core
Installed RAM: 16,0 GB
Available RAM: 11,7 GB
System disk: Samsung SSD 840 EVO 250GB

NVIDIA GeForce GTX 1060 6GB
Resolution 1680 x 1050 x 59 Hz
Bits/Pixel 32
OPENCL is activated and available.

Debug parameters:-d perf -d dev -d opencl (=> darktable-log.txt)
darktable-log.txt (33.6 KB)

IMG_0113.CR2.xmp (5.3 KB)

Screenshot of the options panel:

(Roman Lebedev) #2

Have you tried searching?


Hi Roman, no, thanks for the post !


Hi guys,

just installed 2.4.1.

Export takes 4 seconds now, very cool !

Thx and greets