r.RayTracing.PSOCacheSize
VarUnreal Engine Var console variable.
rRayTracingPSOCacheSize
Description
Number of ray tracing pipelines to keep in the cache (default = 50). Set to 0 to disable eviction
Usage
r.RayTracing.PSOCacheSize [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

