Anyone else having trouble with using GPU for IRAY renders?

scuttlebuns

Hi,

I already started a ticket on this, but they are not following up. 

I have two GTX 680 with the latest drivers. I've disabled CPU fallback from advanced settings under render settings because it only uses CPU. DAZ3D is detecting my GPU but not using it for iray renders. In the logs, I saw a "no suitable device found" error. However, I've used GPU rendering on this same computer before, showing up everywhere else in render settings. I'm only getting blank renders when there is no fallback. Any suggestions?

 

 

 

privatepixels99

You might be running a too recent version of Daz. As far as I understand, Daz 4.12.x was the last version to support Kepler GPU's (like in GTX6xx cards).

 

scuttlebuns

privatepixels99 said:

You might be running a too recent version of Daz. As far as I understand, Daz 4.12.x was the last version to support Kepler GPU's (like in GTX6xx cards).

Yes, I'm running the latest version of DAZ 3D 4.15.

Catherine3678ab

In that case try rolling back the drivers. There are some issues with 4.15 and the latest Studio Drivers.

OR one can have the latest NVidia drivers and the BETA 4.15.whatever.

see following post

IamPerttiA

Iray rendering is no longer supported (=not working at all) with DS 4.15 for Keppler generation cards (=GTX 680)

https://www.daz3d.com/forums/discussion/comment/6200861/#Comment_6200861

4.14.0.8 (November 10, 2020)

• NVIDIA Iray
  • Integrated Iray 2020.1.1 (334300.4226); see this thread for more detail
    • REQUIRES: NVIDIA Driver 451.48 (or newer) on Windows; see NVIDIA Driver Downloads
      • NVIDIA recommends installing Studio Drivers
    • Adds support for Ampere GPUs (SM 8.0 / GA100)
    • Support for SM 3.X/Kepler generation GPUs has been removed - due to CUDA 11
    • Support for SM 5.0/"Small" Maxwell generation GPUs are marked as deprecated - matching CUDA 11

scuttlebuns

If I downgrade to 4.13, I'll miss out on recent changes, right? Like Genesis 8. I'm thinking if it'll be better to bridge to blender and render on blender instead of downgrading DAZ and missing out newer features, has anyone had success rendering IRAY stuff in Blender eevie or cycles?

Orffeus-Art

Hi, I read that it causes an iray preview, solved by setting the scene as I need to save, then turn off and on the daz, load the scene (it must not be in the iray preview) and run the render, the render goes to the GPU. (I know it's annoying but it helps) // Ah, I didn't notice the cards I'm sorry, anyway the procedure works if someone needs it.