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iMac & DAZ 3D Nvidia Iray Rendering

MaxHancockMaxHancock Posts: 226
edited December 1969 in Technical Help (nuts n bolts)

I have an iMac (Late 2013) with a NVIDIA GeForce GTX 780, 4096 MB.

From what I read, this should be CUDA-enabled.

Do I need to set up DAZ to use the new Iray rendering? Will it use my graphics card, or the CPU only? How can I tell?

Comments

  • Richard HaseltineRichard Haseltine Posts: 100,833
    edited December 1969

    Which version of MacOS? I believe the latest does not include the CUDA libraries by default.

  • MaxHancockMaxHancock Posts: 226
    edited December 1969

    I am running:
    OSX Yosemite, 10.10.3

    If I don't have the libraries, can I get them another way, and will DAZ automatically recognize that it's enabled?

  • DekeDeke Posts: 1,631
    edited December 1969

    Isn't there a way to check that your video card is working through the advanced tab in Render Settings?

  • OstadanOstadan Posts: 1,125
    edited December 1969

    Go to the nvidia web site to download the driver for Mac OS X.

  • MaxHancockMaxHancock Posts: 226
    edited December 1969

    Thanks! I installed the CUDA driver, 7.0.36 and it seems to be enabled.

    Under the render tab, I have NVIDIA Iray engine selected. And then from the Advanced tab I can see that it is using both CPU and GeForce.

    What is "OptiX Prime Acceleration?"

    It seems to be rendering at the same speed ad before. It's a nice, realistic rendering. It's not rendering like in real-time, game type of rendering though. I'm guessing that I need to use Iray materials and tweak my rendering settings to get the speed I want.

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