In Unreal Engine, efficient ticking can make or break performance, especially in games with hundreds of active actors. This tutorial walks you through building a centralised tick manager using the World Subsystem, a powerful but often overlooked feature of Unreal Engine. By shifting from per-actor Tick functions to a consolidated, subsystem-driven approach, you can dramatically reduce overhead and reclaim precious frames.
https://dev.epicgames.com/community/learning/tutorials/EW5O/unreal-engine-tick-happens