Could it be that I'm running Ubuntu 14.04 and DT is using an older library? Is everyone else that uses Ubuntu running a more recent version? -Scott
On Tue, Jan 19, 2016 at 9:05 PM, Scott <spectre...@gmail.com> wrote: > With DT full screen, If I set the lighttable zoom to show 5 images > across, it is rather slow (as previously mentioned). If I leave it at > that zoom level but re-size the darktable window within the window > manager (so the images are smaller, but still 5 images across and same > number of images shown in DT as before), the performance greatly > improves. I assume this is due to the same reason that the > performance improves in full screen by zooming out. > > On Tue, Jan 19, 2016 at 8:31 PM, Scott <spectre...@gmail.com> wrote: >> I ran 'darktable -d perf -d lighttable' to get the lighttable output >> and sent it to a text file, opened up darktable and moved the cursor >> around a bit, parsed the file to grab the lines with the total time, >> '[lighttable] expose took #.#### sec', and output the maximum and mean >> times listed. Here are some results. >> >> 1. 54 pictures, all default settings -> max 0.14, average 0.07 >> 2. Same library, turn off color managed thumbnails -> max 0.12, average >> 0.033 >> 3. Same library, turn on color managed thumbnails, run >> 'darktable-generate-cache -m 7' -> max 0.15, average 0.09 >> 4. Reset darktable (remove ~/.cache/darktable and >> ~/.config/darktable), import just 5 pictures, then run the same test >> -> max 0.04, average 0.01 >> >> It feels like the timing with the first tests is greater than 0.14 >> seconds, but my feeling is probably wrong. Regardless, it is *very* >> noticeable and the test does support my observations that turning off >> color managed thumbnails improves the response a little bit, but not >> drastically and that the response time is great with just 5 pictures >> instead of ~50 pictures. >> >> I also tried playing with the option 'memory in megabytes to use for >> the thumbnail cache' and the two memories related to tiling, but >> neither seemed to have any noticeable effect. >> >> Are there any other tests I can do to help debug this? Darktable is >> great, but it is rather frustrating to use like this. >> >> -Scott >> >> On Mon, Jan 18, 2016 at 11:32 PM, johannes hanika <hana...@gmail.com> wrote: >>> heya, >>> >>> sounds worrying, i'd like to get to the bottom of this. >>> >>> i guess the long term best solution would be to instruct cairo to only >>> expose whatever thumbnails are changed when moving around with the >>> mouse (but i tried quickly, it's not trivial to do and still work with >>> all features). >>> >>> darktable -d perf -d lighttable >>> >>> is what you want to use to get timings for lighttable btw. >>> >>> -jo >>> >>> On Tue, Jan 19, 2016 at 5:45 PM, Scott <spectre...@gmail.com> wrote: >>>> Hello all, >>>> >>>> I'm having an issue since upgrading to Darktable 2.0 (Pascal's PPA). >>>> When in lighttable, if I just move my cursor around it takes ~1/3 >>>> second before the thumbnail under the cursor is highlighted and the >>>> "image information" updates to it. Searching the bug tracker and >>>> archives show that I'm not the only one with this issue, but I haven't >>>> seen any fixes for it. A couple references: >>>> http://redmine.darktable.org/issues/10764 >>>> http://sourceforge.net/p/darktable/mailman/message/34654461/ >>>> >>>> I have: >>>> - Ubuntu 14.04 LTS >>>> - 16 GB of RAM >>>> - GeForce GTX 650 Ti BOOST (proprietary drivers, ) >>>> - Intel Core i5-3570K (4 cores @ 3.40Ghz) >>>> - All photos in my library are Canon CR2 >>>> - 27" monitor (Dell U2713HM) is calibrated using dipcalGUI and set to >>>> 2560x1440 resolution >>>> >>>> The first few things I've tried: >>>> - Running darktable-generate-cache >>>> - Running with '-d perf' (but it doesn't print anything when I simply >>>> move the mouse around the screen) >>>> - Changing the number of background threads >>>> - Running with and without OpenCL >>>> - Turning off color managed cache (this gave a slight improvement, but >>>> still much slower than DT 1.6.9) >>>> >>>> I then deleted ~/.cache/darktable and ~/.config/darktable, and >>>> imported only 5 pictures and the response time seemed very quick. I >>>> then added a folder (50 images) and the response time lagged again. I >>>> also noticed that it seems to depend on how zoomed in the images are >>>> in lighttable. If I zoom out so the thumbnails are very small, then >>>> the response time is good. As I zoom the thumbnails larger, this >>>> response time gets worse and worse. 5 images across the screen seems >>>> to be the worst, and then as I zoom in even closer it gets slightly >>>> better. >>>> >>>> I then imported some more pictures so that I have nearly 200 in the >>>> database/cache. Now even when lighttable is zoomed as as far as >>>> possible, the response time is very slow. >>>> >>>> Possible output request: >>>> $ ldd `which darktable` | grep gomp >>>> libgomp.so.1 => /usr/lib/x86_64-linux-gnu/libgomp.so.1 (0x00007fa6da138000) >>>> >>>> Does anyone have any other recommendations to try? >>>> >>>> Thanks, >>>> Scott >>>> >>>> ------------------------------------------------------------------------------ >>>> Site24x7 APM Insight: Get Deep Visibility into Application Performance >>>> APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month >>>> Monitor end-to-end web transactions and take corrective actions now >>>> Troubleshoot faster and improve end-user experience. Signup Now! >>>> http://pubads.g.doubleclick.net/gampad/clk?id=267308311&iu=/4140 >>>> _______________________________________________ >>>> Darktable-users mailing list >>>> Darktable-users@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/darktable-users ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=267308311&iu=/4140 _______________________________________________ Darktable-users mailing list Darktable-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/darktable-users
