* Scott <spectre...@gmail.com> [01-20-16 23:36]: > 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
If you installed a pre-packaged version 2.0 of darktable, why would you thing you were using an "older library"? And which library are you referring? -- (paka)Patrick Shanahan Plainfield, Indiana, USA @ptilopteri http://en.opensuse.org openSUSE Community Member facebook/ptilopteri http://wahoo.no-ip.org Photo Album: http://wahoo.no-ip.org/gallery2 Registered Linux User #207535 @ http://linuxcounter.net ------------------------------------------------------------------------------ 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
