On: Hash – Complex Systems Simulation

[tyingq]

I'm guessing it's similar to this, at least in purpose: https://github.com/NotSoOld/OpenGPSS/blob/master/README.md

"Examples of such systems: shops (one can move among shelves with food, then stay in queue, then process at the cashbox), computer systems (transacts are electric signals or information messages), public transport (people move from stop to stop)"