Maybe Computation Structures by Ward? Lecture notes for the class from which it was born show a two-stage Laundromat model (with snarky MIT/Harvard humor) http

Maybe Computation Structures by Ward? Lecture notes for the class from which it was born show a two-stage Laundromat model (with snarky MIT/Harvard humor) https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-004-computation-structures-spring-2009/lecture-notes/MIT6_004s09_lec08.pdf https://ocw.mit.edu/courses/electrical-engineering-and-compu...