Luoshuang's GPULightmass

[RVillani (Rod Villani)]

@Situx

as stated by the OP:

You can use command line to launch the editor and bake lighting to save GPU resources for GPULightmass, especially video memory.

• Engine/Binaries/Win64/UE4Editor-Cmd.exe “path o\your\project\yourproject.uproject” -run=resavepackages -buildlighting -allowcommandletrendering -map=/Game/Maps/MyMap.umap
• Remember to replace Content with Game in the umap path

But that doesn’t work for levels with sublevels. It builds but doesn’t save the sublevels.