The GPU acceleration feature allows you to utilize modern Nvidia GPU to make more fluid and detailed interactions in the 3D MPR window.
Click the Settings button to show the CPU/GPU mode selection menu.
If a compatible Nvidia GPU is detected in your system, you will be able to select it from the list.
After GPU is successfully enabled, there will be a green GPU indicator overlaid on the settings toolbar button.
Select CPU when you want to switch back to CPU rendering mode.