OK, thanks for the details. Seems that the delay is in fact not pixelpipe of thumbnail related.
Ulrich PS: we should keep the discussion on darktable-users Am 23.05.2014 20:26, schrieb Mika Mantere: > Hi Ulrich, > > Thanks for your reply. > > > I would like to challenge your assumption that this is database related. > It more sounds like darktable is busy generating thumbnails for a huge > number of images in your collection. > > You could test by starting with '-d perf' and see if a lot of pixelpipe > processing takes place while you are in lighttable mode. > > > Okay, I started DT with '-d perf' and the terminal had no output for > several minutes while DT was at 100% CPU on one core out of four. When > DT finally started, the output had a few dozen [dev_pixelpipe] lines > ending with > > [dev_process_thumbnail] pixel pipeline processing took 0.083 secs (0.086 > CPU) > > I then selected one image, switched to DR without a delay, but when > switching back to Lighttable it again took several minutes with DT > darkening and CPU at 100%. Again no output in the terminal until the > switch back to LT happened and then only a few dozen lines. > > I then renamed the db file .old and started DT afresh with '-d perf'. It > runs immediately and I import a folder, switch to DR and back all > without a delay. Now the output in the terminal is almost the same as > with the big database. > > I'd like to note that even with the big database, the slowdown seems to > happen only when starting DT or switching from Darkroom to Lighttable. > While in LT I can display parent folders with hundreds of images and all > the thumbnails show up in a flash. > > Mika > ------------------------------------------------------------------------------ "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE Instantly run your Selenium tests across 300+ browser/OS combos. Get unparalleled scalability from the best Selenium testing platform available Simple to use. Nothing to install. Get started now for free." http://p.sf.net/sfu/SauceLabs _______________________________________________ Darktable-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/darktable-users
