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My GPU isn't used while rendering

h2oliveh2olive Posts: 8
in Technical Help (nuts n bolts)

CPU 100%  GPU 0-1%  

Comments

  • Victor_BVictor_B Posts: 391

    The first question here is does DS supports your RTX 2060?
    And the second question is how big is your scene?

  • Richard HaseltineRichard Haseltine Posts: 102,729

    For a 20x0 card you need to be using the 4.11.x.x Public Build, the version of iray in 4.10.0.123 does not support those.

    Once you have the 4.11 build you will need to switch one of those graphs to compute_0 or, if it's listed, CUDA - the defaults don't show the activity. Or you could use GPU-Z.

  • JamesJABJamesJAB Posts: 1,760

    Keep in mind that the RTX 2060 is ony a 6GB card.
    Back when I was running a GTX 1060 6GB my renders dropping to CPU only was a regular thing, because 6GB is not enough VRAM for rendering a complex scene.

  • LenioTGLenioTG Posts: 2,118
    edited April 2019
    JamesJAB said:

    Keep in mind that the RTX 2060 is ony a 6GB card.
    Back when I was running a GTX 1060 6GB my renders dropping to CPU only was a regular thing, because 6GB is not enough VRAM for rendering a complex scene.

    I've done 550+ renders with 2,4 available Gb of VRAM!

    I wish I had a 6Gb GPU...and a CPU with integrated graphic!!! xD

    But with a little bit of optimization you could drastically reduce VRAM utilization, even for closeup scenes!
    I've made a tutorial on how to do that. In the end a 3Gb character with clothes gets down to under 300Mb and it still looks good!

    Post edited by LenioTG on
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