[tomn]

> programs are DAGs, and instructions are only run when their inputs are ready, rather than when a program counter reaches them.

At a low level, that's exactly what modern CPUs do.

https://en.wikipedia.org/wiki/Out-of-order_execution

[chrisseaton]

Right, but only on a single core and only over a small sliding window. Real data flow machines made it explicit rather than a fragile optimisation and scaled it up.

[tomn]

True, though with multiple functional units there is some parallelism. Just thought it was an interesting comparison.