Chaos Group introduces GPU + CPU hybrid rendering

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Chaos Group has added a new hybrid rendering technology to V-Ray for 3ds Max that adds CPU support to its Nvidia CUDA-powered GPU renderer.

With version 3.6 artists can render a scene using GPUs, CPUs or a combination of both and produce the exact same results.

“GPU rendering is on the rise, and V-Ray Hybrid solves two important issues that could make it even more popular,” said Vlado Koylazov, Chaos Group co-founder. “It lets artists use all of their existing hardware, and it gives them a fallback solution if they run into GPU RAM limitations.
“This makes GPU rendering a more practical solution for a much wider audience.” 

To get a feel for the relative performance of CPU and GPU with the hybrid renderer, Group benchmarked two V-Ray CUDA scenes from Dabarti Studio.

The test machine, which featured 2 x Intel Xeon CPU E5-2687W v3 CPUs and two Nvidia Quadro GP100 GPUs, was between 13% and 25% slower to render with the GPUs alone than it took to render with both CPUs and GPUs.

Read about the tests in more depth on the Chaos Group Labs blog.

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Other features of V-Ray for 3ds Max 3.6 include:

Full Light Select Render Element – Render individual lights or groups of lights as separate render elements, with full support for global illumination, reflections and refractions for accurate light mixing in post.

Cryptomatte – Automatically generate ID mattes with support for transparency, depth of field and motion blur. This will speed up workflows for compositors working in NUKE or Fusion.

NVIDIA NVLink – Supports shared GPU memory across NVLink compatible graphics cards.


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