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When do GPU's kick in to render?

DekeDeke Posts: 1,631
in New Users

Sometimes I render a shot and the GPU are revving and the fans blowing. Other shots I render and I don't hear a thing. I see the GPU's are active in both shots. Why the difference?

Comments

  • NorthOf45NorthOf45 Posts: 5,485
    edited March 2020

    3DL renders do not use the GPU, only Iray renders will, but they can fall back to the CPU if the scene needs more memory than the GPU VRAM.

    When you say "active", are you monitoring Cuda performance?

    Post edited by NorthOf45 on
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