I'm trying to render with gpu in cycles render but, even tho looking at the settings it seems like everything should be fine , actually looking at cpu and gpu usage i noticed that the one actually being used for rendering was still the cpu.

here's a screen of my settings:

my cpu model is Intel(R) Core(TM) i5-3550 CPU @ 3.30GHz

my gpu model is GeForce GTX 1080

my CUDA version is 8.0.61

can someone help me figure out why is this happening? thank you :)

  • Your CPU is used while rendering with GPU, however it shouldn't be by a large number. Could you provide a screenshot of your CPU/GPU usage? – Josh Silveous May 3 '17 at 14:43
  • right now i can't but i remember clearly that every time cpu usage would be 100% while gpu around 3-7%.. so my best guess is blender is not using it at all – E.S. May 4 '17 at 12:49
up vote 2 down vote accepted

solved it.. in the end looks like there were some leftovers from older versions of the nvidia drivers that were causing conflict because i wiped clean the pc and reinstalled the drivers and now gpu rendering works as it should.

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