Issue description:

The controller is occupying too many tickrate from server, you can see in the timings here

Version (make sure you are on the latest version before reporting):

• Minecraft: 1.12.2
• Forge: 1.12.2 - 14.23.4.2705
• Sponge: 1.12.2-2705-7.1.0-BETA-3361
• Refined Storage: 1.6.3

Does this issue occur on a server? [yes/no]

Yes

sampler-snapshot.zip

https://refinedstorage.raoulvdberge.com/wiki/profiling

The nps report shows that the Controller doesn't take up that much:

I'm guessing the profiling snapshot you linked earlier isn't that accurate.