A guide for developers to help trace where all the memory allocations are originating from within their project’s codebase, with particular focus on the untracked memory that’s coming from GPU allocations but isn’t tracked within the Unreal Engine.
https://dev.epicgames.com/community/learning/tutorials/b6d3/unreal-engine-fortnite-find-every-byte-part-1-demystifying-untracked-memory