This page provides information on the V-Ray GPU settings found in the V-Ray tab in the Render Setup window.
Through the V-Ray tab in the Render Setup window you can access the settings of the Renderer, Global Illumination, V-Ray Frame buffer, and Environment. Depending on the chosen GI engine, a Brute Force or Light Cache rollout is also available under this tab.
UI Path: ||Render Setup window|| > V-Ray tab (Renderer set to V-Ray GPU)
The GPU V-Ray tab consists of four or five (when GI is set to Light Cache) rollouts: