This is super cool, any papers I can read on autorouting? I occasionally see inefficiencies[1][2] so I suspect this isn't exactly a free lunch, and I'd like to read something a bit more critical about this approach.

Either way, pretty sweet application of AI.

[1] https://imgur.com/a/pxc0zJ4

[2] https://imgur.com/a/GrxzAw3