Dear Rico,
Er…
frankly I just “fly over” your words… but for that test you need to install absolutely nothing
Just download that photo and than start “darktable-cli” in a comand shell. Actually @Claes does also use Windows (besides the brilliant Linux 
) and could tell you, which command and how he triggered…
I run windows so it seems like I have to install those programs. The article talks about phoronix too. I’d like a step by step tutorial/walk through or an answer on how I can delete all those programs and batch files that have ran a minute ago from my laptop.
@Claes: could you confirm this? Thru our conversations I didn’t get the impression, it is that complicated on WIN!???
@Rico: on my machine, I just downloaded the image and the xmp and then I started just like darktable-cli bench.SRW test.jpg --core -d perf -d opencl
Sorry, if I thought it too simple, just hope we still find an easy approach.
Sincerely
Axel
No, @Rico!
You are making things far too complicated.
The total test will take no more than about 15 seconds (on a good machine), without the need to compile anything… Let me try to take this step-by-step.
a) Are you on Win 7 or Win 10? 64-bit? Home or Pro?
b) From where did you get your version of darktable?
From here: install | darktable ?
c) On your Desktop, create a new folder, named bench
d) The bench folder has to contain two files: bench.SRW and bench.SRW.xmp
You fetch these two files from here:
http://www.mirada.ch/bench.SRW
http://www.mirada.ch/bench.SRW.xmp
e) Start a Windows command prompt by typing cmd
f) In the command prompt window, type
cd \Users\YOUR_USERNAME\Desktop\bench
g) In the command type window, type
“C:\Program Files\darktable\bin\darktable-cli” bench.SRW test.jpg --core -d perf -d opencl
Note the execution time.
“c:\Program Files\darktable\bin\darktable-cli” bench.SRW test.jpg --core --disable-opencl -d perf -d opencl
Note the execution time.
Have fun!
Claes in Lund, Zweden
Windows 10
‘C:\Program’ is not recognized as an internal or external command,
operable program or batch file.
C:\Users\MY NAME\Documents\Bench>\Program Files\darktable\bin\darktable-cli" bench.SRW test.jpg --core -d perf -d opencl
‘\Program’ is not recognized as an internal or external command,
operable program or batch file.
I told you… I have 0 knowledge about this and it’s not as easy as you make it look :). Now how do I remove Cygwin from my computer, and the batch files that have been installed yesterday?
PS: I can only install the XMP file as a text. Because it opens in chrome and shows a lot of code/text. So that’s another problem.
Yes
So I really need your help with removing the program.
Yesterday, I’ve downloaded phoronix test suite, and ran some batch files. A cmd window popped up, did some things and closed down. I’ve installed Cygwyn as well (some kind of Linux emulator?). I want to completely remove all of the components from my system, because I have 0 faith in this and I’m unfamiliar with all of those things. The only reason I downloaded and messed around with those programs was to “help” you guys get some test results. Apparently I’m too stupid to figure this out, and the guidance in this thread is not enough to make it work.
I’m kind of fed up with this whole process right now, so I’d like to know how I can remove EVERYTHING that got installed yesterday without having to do a system restore (because that will really piss me off).
please help.
Greetings,
Rico
I tried one final time:
System cannot find the path.
Unfortunately I tried both and both didn’t work.
When I enter the \users\my name\desktop\bench path, and then type in the command program files darktable bin etc., it just doesn’t show.
Same goes with me just using cd and then starting with C: etc. Both options don’t work. I can access the paths seperately, so up to the bin but then nothing works anymore.
I can run the darktable-cli inside the darktable bin folder itself in windows, but I can’t run it in the cmd. There is no way for me to try out that bench thing either.
Guess I need actual screenshots and/or a tutorial video from someone showing me the exact same steps. Otherwise I’ll stop trying.
Darktable is extremely slow while running OBS and editing a RAW file.
It’s pretty alright if I edit a jpg
It’s more than fine if I close OBS and edit a RAW file but then I don’t have anything to capture my screen with.
By quotes I mean actual quotation marks. Because the file path has a space in it, windows thinks that ‘C:\Program’ is the application and ‘Files\darktable\bin\darktable-cli’ is the first argument to the app. To get around this you need to wrap the file path in quotes if it has spaces.
“C:\Program Files\darktable\bin\darktable-cli” bench.SRW test.jpg --core -d perf -d opencl
I considered @aadm’s speedup suggestion and wondered if it was at least partially related to nuking the darktable’s configs.
As it would take several days for me to reimport all of my photos, I really didn’t want to wipe out my database and start over.
I’m very happy to report, at least in my case, I found a few major speedups that helped me immensely (most likely in order of speed wins):
Back up your current library, then defrag and compact the database with vacuum (mine went from 201 MiB to 177 MiB):
cp library.db library-`date -I`.db
sqlite3 library.db 'VACUUM;'
Move darktable configs out of the way (while darktable isn’t running) and let darktable create new ones by running it again afterward (this moves it to a file with the current date, in ISO format):
mv darktablerc darktablerc-`date -I`
Having darktable recreate your configuration file means that you’ll lose a few settings. One of the most important ones are which modules are turned on and favorited. You can grep through your old configuration file and copy/paste the lines into your new darktablerc. (First make sure darktable is not running, of course.)
Here’s a one-liner that will do this for you:
grep -i -P "plugin.*(favorite|visible)=true" darktablerc-`date -I` >> darktablerc
(If you want to also preserve the disabled modules too, just remove the true part of the command above.)
Pretty much everything else is a preference. You can compare the files and copy over the parts you want or just toggle it in the UI after starting darktable again.
Be selective of Lua plugins you choose to enable.
image_path_in_ui turned on, and it seems to be extremely slow — probably even checking the database and file on every hover in lighttable mode. This was what made darktable almost unbearably slow when going through photos.OpenInExplorer plugin which not just works on Windows, but also on Linux (with Nautilus). As I wanted the path for the image to open it up in Nautilus anyway, this new one was a huge performance boost (as it only runs when I want it to) and even made my life a little better too. 
Happy photo editing, everyone!
Good detective work @garrettn
I recently thought my darktable was running a bit slow. My editing machine is not connected to the network, and hasn’t been for over a year. I had plugged it in and updated a few weeks ago. Turns out my slowness was coming from the latest speculative execution patches to the kernel. 
Figured I would add some results to this just because it is easy to do 
These results are from a clean install of everything. Testing out Ubuntu 19.04.
Running the darktable 2.6.2 ppa. No files imported yet so running what I would assume is a clean db minus a few setting tweaks.
My results seem quite comparable to what others have found.
Ryzen 7 2700 3.20ghz (stock clock speed)
Nvidia 980TI using the latest 418 driver in ubuntu
16GB Ram running in dual channel clocked at 3000
OpenCL: 3.307 secs
CPU Only: 13.110 secsI know I’m late to the party on this thread, but this really caught my eye with DT. As background I have been a long time user of Rawtherapee and have been using DT a lot of late due to the masking tools etc that RT lacks.
While using DT generally isn’t too bad, one thing I really noticed was the lack of fluidity or general smoothness when using the curve tools in DT over RT. Having used DT quite a bit I found that for many images I didn’t really need the mask tools, so moved back to RT to find adjusting the tone curve in RT a sheer delight.
For what it’s worth I’ve been using DT with both opencl and without it and found the same general “roughness” to the experience of adjusting with the curve modules.
Peter.
What is that “;” after VACUUM used for?
VACUUM; is a special type of SQL command – all SQL commands need to be terminated by a semicolon (;).
GTX1060 and Threadripper 1950x. 64GB ram. Ubuntu 18.04.
GPU: 5,886015 [dev_process_export] pixel pipeline processing took 5,206 secs (49,141 CPU)
CPU: 9,813531 [dev_process_export] pixel pipeline processing took 9,248 secs (242,660 CPU)
I changed opencl_memory_headroom=300 to 1200 and got:
5,198685 [dev_process_export] pixel pipeline processing took 4,478 secs (22,712 CPU)
Digging up this old thread. Hope the benchmark is still relevant for DT 3.0.1
I have a 3rd gen i5, 16gb ram and a gtx 1050 Ti. I got 14.358s in opencl, and 36.189s using only cpu.
OpenCL -
CPU Only -
Is adding a faster gpu likely to make a significant difference? Something like a 2060 maybe? Currently I find the slowest part of DT is parametric masks.
