> If you have two GPUs with the same speed, it makes a lot of sense to set > parallel_export to 2. However, in most cases users have only one GPU > that is often much faster than the CPU. Or few people have two GPUs with > a big performance difference. In these cases you only profit from > multiple parallel export threads, if you export *many* images in one > step. In case of few images to export you always need to wait until the > slowest device is finished and it often be faster to process all of them > on the fastest device only.
Ok, understand > @Jerome: what was said before, only should affect the speed. In your > case it seems that export hangs at some point. You should start > darktable with option '-d opencl' to see what happens. If you share that > debug output here we might be able to help. I will do it as soon as possible > Does your system completely freeze? The power supply of your computer > needs to be strong enough to feed two GPUs in parallel. If not, voltage > will drop and you may get a hardware crash. No, system run without problem. Even darktable react. Just export job hang. Thanks -- Jérôme FAU ------------------------------------------------------------------------------ _______________________________________________ darktable-devel mailing list darktable-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/darktable-devel