GPSS

From Free net encyclopedia

General Purpose Simulation System (GPSS) was a discrete time simulation language, where a simulation clock advanced in uniform discrete steps. A system was modelled as transactions entered the system and were passed from one service to another. This was particularly well suited for problems such as a factory. It was popular in the late 1960s and early 1970s but is little used today. GPSS is less flexible than simulation languages such as Simula and SIMSCRIPT II.5 that model a system with discrete events that are not constrained by a uniform time step.