In version 2022.1, we now support the use of multiple GPUs for denoising with Optix 7.2 and CUDA 11. This is because in a GPU cluster, often the single GPU denoiser is the performance limiting factor.
To view the Artificial Intelligence GPU Denoising video, click here. See Denoiser for system requirements and more.
In version 2023, we updated to Cuda 11.5.1 and Optix 7.4, as they offer some useful new features.