https://www.greenarraychips.com/ https://www.greenarraychips.com/ Chuck Moore (of Forth fame) and his company springs to mind. They make a chip with "144 indep

https://www.greenarraychips.com/ https://www.greenarraychips.com/ Chuck Moore (of Forth fame) and his company springs to mind. They make a chip with "144 independent computers" on it. I'm not sure if that is totally orthogonal to what you're saying, but there it is, just in case!