2016-08-24 22:20 GMT+02:00 Leander Hutton <[email protected]>: > I also prefer to get things right in camera, but that isn’t always an > option. > > - "Leaving aside OpenCL, I think latest dt (2.0.5) uses a GTK version > which doesn't work well with Mac (bad perfomance and usability problems)." > > I think this is another big issue for me. This is why drop down menus (new > instance, duplicate instance, etc.) hang or don’t work at all. > > Let me know if you have any luck with gfxCarStatus app. I’ll try reverting > to 2.0.4 and see if that helps. > > > > Sorry it took me so long to get back to this, but I did do some testing > with OpenCL and the M370X on 2.0.4. DT 2.0.5 is slow on OS X no matter how > you cut it. > > That's true. I profiled darktable 2.0.4 and 2.0.5 using dt-cli (command line interface). It gave me more or less same times. Then I wondered it could be a problem with GTK+
> To make things even I started with a fresh library.db file each time and > imported a directory of 22 RAW files. I also removed the XMP files between > each run just to make sure it everything was exactly the same. One log is > from CPU only mode and the other is with OpenCL enabled and the M370X > forced into use via gfxCardStatus. I did see a measured improvement in > thumbnail rendering times according to the attached logs. It still felt > slower in use with OpenCL enabled but the data doesn’t reflect that. > I also did some tests with OpenCL enabled and disabled (I'm using a Intel Iris graphic) and dt-cli versions 2.0.4 and 2.0.5. Times with OpenCL were ~1.5 faster than CPU in both versions. > > Sadly, I did see the green rendering with OpenCL enabled on the M370X > however it was limited to Nikon RAWs. The Fuji files were mostly OK outside > of a few that looked like they had a blur effect applied to them (see the > attached screen capture). After disabling OpenCL both of those bugs > disappeared. Has anyone else noticed the blurring on OS X? Has a bug > report been filed on it? None of my Nikon RAWs had the blur effect going > on. Anyone out there with an OpenCL capable nVidia card on OS X and want to > give this a go to see what happens? I may look into sticking an nVidia card > in my old Mac Pro and seeing what I come up with there. > With Intel Iris graphic card I don't have blur effect in previews but I have green rendering. It's reported as issue for Intel graphic cards. I didn't know it only happens with Nikon NEF files. Regards > > Thanks again! > > Leander > > ____________________________________________________________________________ darktable user mailing list to unsubscribe send a mail to [email protected]
