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#Denoiser 3 runs out of memory drivers

curves imported from Alembic, Max, C4D or Maya.

Curve geometry: GPU mode has limited support for Curve geometry, e.g.

Legacy textures: Legacy 2d textures (from KeyShot 6 or earlier, labeled with (Legacy) in the Material Graph) are not supported.

Objects that have both triangles and NURBS data, will be shown as triangles.

NURBS: NURBS-only objects will be ignored in GPU mode.

Gem material: Ignore Intersecting Geometry on the Gem material is not supported in GPU mode and the setting will be ignored without warning.

Cutaway material: The cutaway material is not supported in GPU mode and objects with this material will be ignored.

The output of GPU mode matches what you get with traditional CPU rendering in KeyShot, with only a few limitations. Render, Options is open and GPU mode is selected in the Render Engine section. To add GPU jobs for Network Rendering, simply select the GPU mode in the Render Engine section in Render Dialog, Options. If your GPU does NOT meet the requirements listed above, you can still send jobs to Network Rendering in GPU mode.

You can either choose to have the Render Engine follow the Real-time View mode or specify either CPU or GPU in the Render Engine selection in the Render Dialog, Options. If your GPU meets the requirements listed above you can render in GPU mode locally (Default and Background rendering) as well as send jobs to Network Rendering in GPU mode. If the GPU runs out of memory, KeyShot will revert to CPU rendering. In the Heads Up Displayyou can observe the GPU rendering speed with Samples per second, as well as the Memory Usage. Here the option is available even when GPU mode is not active, enabling you to set a limit before you enter GPU Mode. You can also limit the GPU usage under Render, GPU Usage from the Main Menu. Here you can limit which GPUs are allocated for KeyShot. When GPU mode is active the CPU Usage drop-down in the Ribbon will be replaced with a GPU usage drop-down, listing the available GPUs. To use GPU mode in the KeyShot Real-time View, select GPU mode on the Ribbon or Render, GPU mode from the Main Menu. When you have multiple GPUs connected with NVLink, you will see a difference in the available GPU Memory within the Heads Up Displayin the Real-time view. For example, two NVIDIA Quadro RTX 8000 GPUs will provide a combined 96 GB of GPU memory. KeyShot GPU mode supports memory scaling for setups with multiple GPUs connected with NVIDIA NVLink in KeyShot 9.2 or higher.

The GPUs affected are in the Nvidia 600, 700 and 800 series. In these cases, KeyShot will stay in CPU mode.

#Denoiser 3 runs out of memory drivers

Some drivers of older Nvidia GPUs can be upgraded so the GPU toggle is enabled, without KeyShot actually being able to run in GPU mode on the graphics card.