Ulrich Pegelow wrote, le 17/05/2014 08:40 : > Am 17.05.2014 01:16, schrieb Chris: >> Ulrich Pegelow wrote, le 16/05/2014 21:32 : >>> No idea. Does not happen here, neither with AMD nor with NVIDIA. >>> >>> Ulrich >> I found that Performance Level of the GPU switch from 0 to 2 (the >> maximum) as soon as DT is launched even tough GPU Utilization stay to 0 ! >> > I guess it's a driver issue. I once observed some "background" activity > of the GPU once darktable was started. But that was with a much older > version of the Nvidia driver. IIRC there was also some ongoing GPU > activity with a darktable binary compiled in debugging mode. My > assumption was that the driver continuouly polls the GPU for status > checks and the like. > > Ulrich > hmm, what is strange is that DT is the only application which warm the GPU like that :-\
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