Performance drop after disposing mesh loaded from the assetsManager

[Takemura]

Maybe you mean this topic?

Use of Assetcontainers in memory

Elements are not disposed, they are kept in container for later use so you won’t need to load them again.

Dunno if this helps you, but what I use is this:

Optimizing Your Scene | Babylon.js Documentation

Where I am unsure too, if I should useClonedMeshMap, because for now I do only instantiate with AssetContainer?