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To enable OpenCL you have to restart darktable, so the libraries can be loaded. This information can be found in the blogpost you linked, among many other sources. Sebastian On 12/10/2015 02:38 AM, André Felipe Carvalho wrote: > Here's the video showing the bug. > > I dont know if it's a DT bug or something from AMD Catalyst. > > > 2015-12-09 23:26 GMT-02:00 André Felipe Carvalho > <afelipe.carva...@gmail.com <mailto:afelipe.carva...@gmail.com>>: > > Sorry for too much messages. > > (post script: I think I saw a bug. Please read till the end). > > Now I've found, after all this work, that OpenCL does not function > well. > After the above reading, I found that I had to turn OpenCL on, at > darktable configuration options. > > I got the log saying that I am using my "new" card (I have this > computer for about 2,5 years): > > [dev_pixelpipe] took 0,040 secs (0,168 CPU) processed `sombras e > realces' on CPU, blended on CPU [full] > [dev_pixelpipe] took 0,012 secs (0,060 CPU) processed `sombras e > realces' on CPU, blended on CPU [preview] > [dev_pixelpipe] took 0,013 secs (0,080 CPU) processed `zonas de > cor' on CPU, blended on CPU [preview] > [dev_pixelpipe] took 0,005 secs (0,036 CPU) processed `melhora > nitidez' on CPU, blended on CPU [preview] > [dev_pixelpipe] took 0,009 secs (0,060 CPU) processed `perfil de > cor de saída' on CPU, blended on CPU [preview] > [dev_pixelpipe] took 0,003 secs (0,016 CPU) processed `gama' on > CPU, blended on CPU [preview] > [dev_process_preview] pixel pipeline processing took 0,055 secs > (0,340 CPU) > [dev_pixelpipe] took 0,068 secs (0,384 CPU) processed `zonas de > cor' on CPU, blended on CPU [full] > [dev_pixelpipe] took 0,012 secs (0,060 CPU) processed `melhora > nitidez' on CPU, blended on CPU [full] > [dev_pixelpipe] took 0,010 secs (0,048 CPU) processed `perfil de > cor de saída' on CPU, blended on CPU [full] > [dev_pixelpipe] took 0,003 secs (0,012 CPU) processed `gama' on > CPU, blended on CPU [full] > [dev_process_image] pixel pipeline processing took 0,133 secs > (0,672 CPU) > [dev] took 0,000 secs (-0,000 CPU) to load the image. > [pixelpipe_process] [preview] using device -1 > [pixelpipe_process] [full] using device -1 > [dev_pixelpipe] took 0,014 secs (0,076 CPU) processed `sombras e > realces' on CPU, blended on CPU [preview] > [dev_pixelpipe] took 0,015 secs (0,072 CPU) processed `zonas de > cor' on CPU, blended on CPU [preview] > [dev_pixelpipe] took 0,013 secs (0,068 CPU) processed `melhora > nitidez' on CPU, blended on CPU [preview] > [dev_pixelpipe] took 0,003 secs (0,008 CPU) processed `perfil de > cor de saída' on CPU, blended on CPU [preview] > [dev_pixelpipe] took 0,001 secs (0,004 CPU) processed `gama' on > CPU, blended on CPU [preview] > [dev_pixelpipe] took 0,047 secs (0,232 CPU) processed `sombras e > realces' on CPU, blended on CPU [full] > [dev_process_preview] pixel pipeline processing took 0,054 secs > (0,288 CPU) > [dev_pixelpipe] took 0,050 secs (0,292 CPU) processed `zonas de > cor' on CPU, blended on CPU [full] > [dev_pixelpipe] took 0,011 secs (0,064 CPU) processed `melhora > nitidez' on CPU, blended on CPU [full] > [dev_pixelpipe] took 0,012 secs (0,052 CPU) processed `perfil de > cor de saída' on CPU, blended on CPU [full] > [dev_pixelpipe] took 0,003 secs (0,012 CPU) processed `gama' on > CPU, blended on CPU [full] > [dev_process_image] pixel pipeline processing took 0,124 secs > (0,652 CPU) > [pixelpipe_process] [full] using device -1 > [pixelpipe_process] [preview] using device -1 > [dev_pixelpipe] took 0,011 secs (0,064 CPU) processed `sombras e > realces' on CPU, blended on CPU [preview] > [dev_pixelpipe] took 0,047 secs (0,236 CPU) processed `sombras e > realces' on CPU, blended on CPU [full] > [dev_pixelpipe] took 0,027 secs (0,156 CPU) processed `zonas de > cor' on CPU, blended on CPU [preview] > [dev_pixelpipe] took 0,004 secs (0,020 CPU) processed `melhora > nitidez' on CPU, blended on CPU [preview] > [dev_pixelpipe] took 0,004 secs (0,020 CPU) processed `perfil de > cor de saída' on CPU, blended on CPU [preview] > [dev_pixelpipe] took 0,002 secs (0,012 CPU) processed `gama' on > CPU, blended on CPU [preview] > [dev_process_preview] pixel pipeline processing took 0,056 secs > (0,336 CPU) > [dev_pixelpipe] took 0,059 secs (0,312 CPU) processed `zonas de > cor' on CPU, blended on CPU [full] > [dev_pixelpipe] took 0,012 secs (0,064 CPU) processed `melhora > nitidez' on CPU, blended on CPU [full] > [dev_pixelpipe] took 0,010 secs (0,048 CPU) processed `perfil de > cor de saída' on CPU, blended on CPU [full] > [dev_pixelpipe] took 0,003 secs (0,016 CPU) processed `gama' on > CPU, blended on CPU [full] > [dev_process_image] pixel pipeline processing took 0,131 secs > (0,676 CPU) > [pixelpipe_process] [preview] using device -1 > [dev] took 0,000 secs (-0,000 CPU) to load the image. > [pixelpipe_process] [full] using device -1 > [dev_pixelpipe] took 0,017 secs (0,108 CPU) processed `sombras e > realces' on CPU, blended on CPU [preview] > [dev_pixelpipe] took 0,023 secs (0,124 CPU) processed `zonas de > cor' on CPU, blended on CPU [preview] > [dev_pixelpipe] took 0,059 secs (0,372 CPU) processed `sombras e > realces' on CPU, blended on CPU [full] > [dev_pixelpipe] took 0,019 secs (0,136 CPU) processed `melhora > nitidez' on CPU, blended on CPU [preview] > [dev_pixelpipe] took 0,013 secs (0,092 CPU) processed `perfil de > cor de saída' on CPU, blended on CPU [preview] > [dev_pixelpipe] took 0,003 secs (0,020 CPU) processed `gama' on > CPU, blended on CPU [preview] > [dev_process_preview] pixel pipeline processing took 0,087 secs > (0,576 CPU) > [dev_pixelpipe] took 0,072 secs (0,424 CPU) processed `zonas de > cor' on CPU, blended on CPU [full] > [dev_pixelpipe] took 0,011 secs (0,060 CPU) processed `melhora > nitidez' on CPU, blended on CPU [full] > [dev_pixelpipe] took 0,012 secs (0,044 CPU) processed `perfil de > cor de saída' on CPU, blended on CPU [full] > [dev_pixelpipe] took 0,003 secs (0,012 CPU) processed `gama' on > CPU, blended on CPU [full] > [dev_process_image] pixel pipeline processing took 0,157 secs > (0,912 CPU) > [pixelpipe_process] [preview] using device -1 > [dev] took 0,000 secs (0,000 CPU) to load the image. > [pixelpipe_process] [full] using device -1 > [dev_process_image] pixel pipeline processing took 0,000 secs > (0,000 CPU) > [dev_process_preview] pixel pipeline processing took 0,000 secs > (0,000 CPU) > [opencl_summary_statistics] device 'Capeverde': 931 out of 931 > events were successful and 0 events lost > > > Now, if you're still here: When I turn OpenCL on and push the Base > Curve module line left and right, my photo gets horizontal > lines. I will post a screenshot. If needed, I can record this bug. > > > > > 2015-12-09 22:30 GMT-02:00 André Felipe Carvalho > <afelipe.carva...@gmail.com <mailto:afelipe.carva...@gmail.com>>: > > Oh, and I'm reading > http://www.darktable.org/2012/03/darktable-and-opencl/ > > ;-)) > > > > 2015-12-09 21:53 GMT-02:00 André Felipe Carvalho > <afelipe.carva...@gmail.com <mailto:afelipe.carva...@gmail.com>>: > > Well, nobody replied. No problems. Maybe it was my > system's fault, anyway. > > So, I did my homework and tried to install that OpenCL, > that is, the AMD Calalyst driver for my Radeon 7730M > graphics card. Running on my Dell Inspiron 15R (and this > info was the key for my success, after almost 24h). > > After 20h of comings and goings, of almost deciding to > reinstall the whole ubuntu 15.10 Willy, I googled the > right keywords and got the one and only simple command > that made the magic: > > sudo apt-get install fglrx fglrx-pxpress > > Well, I must give credits to someone that told me to > symlink /usr/lib64 to /usr/lib: > sudo rm -rf /usr/lib64 > sudo ln -s /usr/lib /usr/lib64 > > This must be done before the fglrx installation. > > Great! > Now I have OpenCL working and I feeling an improvement in > the overall performance of darktable, even if I've used it > only for a few minutes. > > My doubt (and question to you, devs) right now, is that > when I ran dt for the very first time after OpenCL , a > message flashed and i just could read the beginning: " Due > to a slow GPU .... bla bla bla..." > > What could this means? That msg did not show again. Do I > have to do something more right now? > > Thank you for your patience and help. > André > > > > > > 2015-12-08 15:43 GMT-02:00 André Felipe Carvalho > <afelipe.carva...@gmail.com > <mailto:afelipe.carva...@gmail.com>>: > > Hello friends, > > I've been noticing DT a little lazy again, lately... > Slow to show images being imported, etc. Is it just me > ? I don't use OpenCL and this affect performance, I > know. I'm comparing with my own experience. > > Best regards, > > -- > André Felipe > > https://www.flickr.com/photos/andrefelipecarvalho/ > > > > > -- > André Felipe > > https://www.flickr.com/photos/andrefelipecarvalho/ > > > > > -- > André Felipe > > https://www.flickr.com/photos/andrefelipecarvalho/ > > > > > -- > André Felipe > > https://www.flickr.com/photos/andrefelipecarvalho/ > > > > > -- > André Felipe > > https://www.flickr.com/photos/andrefelipecarvalho/ > > ___________________________________________________________________________ > darktable developer mailing list to unsubscribe send a mail to > darktable-dev+unsubscr...@lists.darktable.org > > -- > python programming - mail server - photo - video - https://sebix.at > To verify my cryptographic signature or send me encrypted mails, get my > key at https://sebix.at/DC9B463B.asc and on public keyservers.
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