r.RayTracing.GlobalIllumination.FinalGather.SortTileSize
VarUnreal Engine Var console variable.
rRayTracingGlobalIlluminationFinalGatherSortTileSize
Description
Size of pixel tiles for sorted global illumination (default = 64
Usage
r.RayTracing.GlobalIllumination.FinalGather.SortTileSize [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

