* Fearsome <fearsome.gr...@gmail.com> [02-22-15 04:12]: > Ok. Thanks. I really hope my problems are due to an immature driver. After > all support for the 960 was added to the Unix drivers just a month ago. > > Patrick, Michael -- Would it be possible for you to check with Nvidia X > Server Settings (nvidia-settings) how much of the GPU memory is used > without any applications launched? It believe the Nvidia Settings is > installed together with the driver. > > /Fred > > On Sat, Feb 21, 2015 at 10:09 PM, Michael Below <be...@judiz.de> wrote: > > > Not exactly, I am working on 24mp files from a D600 using opencl with a > > 750ti and 2gb. > > > > Am 21. Februar 2015 21:52:16 MEZ, schrieb Fearsome < > > fearsome.gr...@gmail.com>: > >> > >> Running only DT makes no difference. Nvidia X Server Settings tells me > >> that in this case I can get the memory usage down to ~270 MB, which agrees > >> nicely with the default headroom parameter for DT's OpenCL settings. But I > >> still get the -5 error with the 60D CR2 file. > >> > >> (Interestingly, launching Firefox with a few tabs makes GPU memory usage > >> increase to ~370 MB.) > >> > >> So out of curiosity, is there someone out there who successfully edits > >> and exports 18 MP images with OpenCL activated on a 2 GB Nvidia GPU? This > >> resolution corresponds to, e.g., a Canon 60D (5198 x 3462 px). > >> > >> Fred > >> > >> On Sat, Feb 21, 2015 at 9:35 AM, Ulrich Pegelow < > >> ulrich.pege...@tongareva.de> wrote: > >> > >>> Well, the main problem with OpenCL is the fact that there is no way to > >>> know what amount of GPU memory is factually available at a time. In your > >>> case I suspect that there is some other application running which > >>> reserves quite some amount even if it may not use it continuously > >>> (geeqie has been identified in the past as one candidate). > >>> > >>> So you should first try again with as few other applications as possible > >>> running in parallel. > >>> > >>> Ulrich > >>> > >>> Am 20.02.2015 um 22:39 schrieb Fearsome: > >>> > Ulrich, thanks for your suggestions. > >>> > > >>> > I've tried various settings for the two parameters you mentioned, but > >>> to > >>> > no avail. For the number of event handles I tried 15 and 5, and for the > >>> > headroom I tried 500 and 30. My defaults were 25 and 300, respectively. > >>> > The out of resources error is encountered for the base curve module, in > >>> > every case. > >>> > > >>> > I also tried processing CR2 files from other cameras than the 40D. The > >>> > export for a file from a 50D went splendid, without any hick-ups in the > >>> > OpenCL processing. The 50D's resolution is 1 MP less than that of the > >>> > X100T. The export from a 60D did not go so well, however. The 60D's > >>> > resolution is larger than that of the X100T by ~4 MP. The error was > >>> > different this time, giving no reference to a specific module but > >>> > instead referring to the copy-back: > >>> > > >>> > [opencl_pixelpipe (c)] late opencl error detected while copying back to > >>> > cpu buffer: -5 > >>> > > >>> > What does this mean? If the image was possible to transfer to the GPU, > >>> > it should be possible to transfer _from_ the GPU. > >>> > > >>> > From inspection of the X100T opencl export log, it seems like the > >>> whole > >>> > image is transferred in one piece to the GPU and thus tiling is not > >>> > possible. Then I suspect the whole pipe is redone on the CPU if there > >>> is > >>> > a error from one of the modules on the GPU, which really hurts. Is it > >>> > possible in the future to apply tiling for the GPU as well to avoid > >>> > these problems? > >>> > > >>> > Any further thoughts on how I can enable error-free offloading to the > >>> > GPU would be highly appreciated. Or is this just the way it is? > >>> > > >>> > /Fred > >>> > > >>> > > >>> > On Fri, Feb 20, 2015 at 6:49 AM, Ulrich Pegelow > >>> > <ulrich.pege...@tongareva.de <mailto:ulrich.pege...@tongareva.de>> > >>> wrote: > >>> > > >>> > Hi, > >>> > > >>> > that's not an X-Trans related error. In fact the specific demosaic > >>> > algorithms for the X-Trans sensor are not (yet) ported to OpenCL > >>> and > >>> > always run on the CPU. > >>> > > >>> > The error you see is code -5: "out of resources". Have a look into > >>> the > >>> > user manual for some ideas what to do. You most likely need to > >>> tune one > >>> > of the config parameters opencl_number_event_handles or > >>> > opencl_memory_headroom. > >>> > > >>> > Best wishes > >>> > > >>> > Ulrich > >>> > > >>> > Am 19.02.2015 um 22:51 schrieb Fearsome: > >>> > > Hi, > >>> > > > >>> > > I'm trying to set up OpenCL and I thought I had succeeded. It > >>> works > >>> > > nicely for exporting Canon CR2 files but for RAF files from a > >>> X100T > >>> > > there are errors in the OpenCL profiling output from DT. The > >>> export > >>> > > seems to fall back to the CPU for some, to unknown, reason. A > >>> log > >>> > of the > >>> > > output is attached. I would appreciate any help in understanding > >>> > what's > >>> > > happening and whether I've set up OpenCL properly or not. > >>> > > > >>> > > I'm running DT 1.6.2 on Ubuntu 14.10 with a Geforce GTX 960 > >>> > installed. > >>> > > > >>> > > Cheers, > >>> > > > >>> > > Fred > >>> > > > >>> > > >>> > >>> > >>> ------------------------------------------------------------------------------ > >>> Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server > >>> from Actuate! Instantly Supercharge Your Business Reports and Dashboards > >>> with Interactivity, Sharing, Native Excel Exports, App Integration & more > >>> Get technology previously reserved for billion-dollar corporations, FREE > >>> > >>> http://pubads.g.doubleclick.net/gampad/clk?id=190641631&iu=/4140/ostg.clktrk > >>> _______________________________________________ > >>> Darktable-users mailing list > >>> Darktable-users@lists.sourceforge.net > >>> https://lists.sourceforge.net/lists/listinfo/darktable-users > >>> > >> > >> ------------------------------ > >> > >> Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server > >> from Actuate! Instantly Supercharge Your Business Reports and Dashboards > >> with Interactivity, Sharing, Native Excel Exports, App Integration & more > >> Get technology previously reserved for billion-dollar corporations, FREE > >> http://pubads.g.doubleclick.net/gampad/clk?id=190641631&iu=/4140/ostg.clktrk > >> > >> ------------------------------ > >> > >> Darktable-users mailing list > >> Darktable-users@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/darktable-users > >> > >>
> ------------------------------------------------------------------------------ > Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server > from Actuate! Instantly Supercharge Your Business Reports and Dashboards > with Interactivity, Sharing, Native Excel Exports, App Integration & more > Get technology previously reserved for billion-dollar corporations, FREE > http://pubads.g.doubleclick.net/gampad/clk?id=190641631&iu=/4140/ostg.clktrk > _______________________________________________ > Darktable-users mailing list > Darktable-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/darktable-users w/o darktable or firefox running: Total Memory 1024 MB Total Dedicated Memory 1024 MB Used Dedicated Memory 164 MB (16%) With darktable active/no firefox Used Dedicated Memroy 183 MB (18%) with firefox active/no darktable Used Dedicated Memory 230 MB (22%) with darktable and firefox active Used Dedicated Memroy 252 MB (25%) darktable-1.7.0.1424606532.d5263ef MozillaFirefox-35.0-1.2 openSUSE Tumbleweed -- (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 ------------------------------------------------------------------------------ Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration & more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=190641631&iu=/4140/ostg.clktrk _______________________________________________ Darktable-users mailing list Darktable-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/darktable-users
