Please can some explain the new GPU & CPU… I know it sounds obvious but results can be different. [image] Screenshot Captured with Lightshot Surely you will always want to use the GPU & CPU to get render done faster? Thanks Rich

V-Ray already has a very robust distributed rendering system, it can use hundreds of nodes to contribute to a render without much overhead. In the GPU+CPU mode, it use the GPU render engine and has the CPU execute CUDA code to act another nVidia GPU. I did a simple test: GPU only : 1m43.3s GPU+C…

And so your GPU is hot running, if you don’t use a GPU monitor, so you can hear the fans running?

I used the nVidia tool “NvGpuUtilization” and it was at 100% most of the time

Here is my test I made in Vray 3.4 for SketchUp. I think in Rhino3d it should be similar. [eea48d608354026449742f40af9078f10c4ab66e_1_690x388]

[image] roju: test I made in Vray 3. I wonder if it’s still valid in v3.6.

[6] And here are images with time stamps. CPU vs GPU.zip Google Drive file.

cool model, is this available to download or buy ?

roju, what CPU and GFX do you use? Thanks a bunch Jonas

Vray 3.6 - GPU + CPU

Rendering V-Ray

roju (Robert Juchnevic) January 29, 2018, 9:33pm 16

I will make test with pictures tomorrow. But in my opinion 3.6 is faster and there is no difference in brightness with different settings. Picture from CPU and GPU looks the same.

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Vray 3.6 - GPU + CPU

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