It's a modern take on an old idea. I first saw it in European research for wafer-scale, analog, neural networks. I found another project while looking for it. I'll share both.

https://www.kip.uni-heidelberg.de/Veroeffentlichungen/downlo...

https://archive.ll.mit.edu/publications/journal/pdf/vol02_no...

The second's patents would also be long-expired since it's from 1989.