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    Is it safe to say my scene is too large for my available VRAM? Why does GPU render use so much memory (regular RAM)? When I render with the CPU it only uses 1/4 of my memory.

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    Bobby Parker
    www.bobby-parker.com
    e-mail: info@bobby-parker.com
    phone: 2188206812

    My current hardware setup:
    • Ryzen 9 5900x CPU
    • 128gb Vengeance RGB Pro RAM
    • NVIDIA GeForce RTX 4090
    • ​Windows 11 Pro

  • #2
    I'm able to reproduce this on my side, with the scene you sent me
    This is not expected to happen, this seems to be about your setup with Forest Pack
    We will investigate and get back to you

    On another note, the warning in the log is about running out of GPU memory, it affects rendering performance considerably
    I have some tips in this thread regarding optimizations
    in short, if you swap engine to CUDA and use Use System Memory for Textures option this warning will disappear

    Best,
    Muhammed
    Last edited by Muhammed_Hamed; 22-05-2024, 11:05 AM.
    Muhammed Hamed
    V-Ray GPU product specialist


    chaos.com

    Comment


    • #3
      Update, deleting render Elements seems to fix the system memory issues with this scene, it uses around 50 GB. Slightly more than the standard V-Ray renderer. we are still investigating

      Best,
      Muhammed
      Muhammed Hamed
      V-Ray GPU product specialist


      chaos.com

      Comment


      • #4
        Okay, thank you! I didn't think about checking that.
        Bobby Parker
        www.bobby-parker.com
        e-mail: info@bobby-parker.com
        phone: 2188206812

        My current hardware setup:
        • Ryzen 9 5900x CPU
        • 128gb Vengeance RGB Pro RAM
        • NVIDIA GeForce RTX 4090
        • ​Windows 11 Pro

        Comment


        • #5
          It is probably PSD Manager masking out all of my layers. Other than that, I don't have too many elements, at least nothing that seems too many.
          Bobby Parker
          www.bobby-parker.com
          e-mail: info@bobby-parker.com
          phone: 2188206812

          My current hardware setup:
          • Ryzen 9 5900x CPU
          • 128gb Vengeance RGB Pro RAM
          • NVIDIA GeForce RTX 4090
          • ​Windows 11 Pro

          Comment

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