GPSS

General Purpose Simulation System (GPSS) is a simulation language used for discrete-event simulations. It is especially useful in the modelling of queuing systems, with many statistics being collected automatically. The typical simulation consists of Transactions being generated in the system (usually at a certain interval), performing a defined set of rules (like use a resource, wait, transfer), and being removed from the simulation.

GPSS
A GPSS World simulation
Sample Code
GENERATE   15,5
SEIZE      Barber
ADVANCE    10,2
RELEASE    Barber
TERMINATE  1
Designed byGeoffrey Gordon
DeveloperIBM
First appeared1961 (1961)
Filename extensions.gps
Major implementations
GPSS World, JGPSS
This article is about a programming language. For other uses, see GPSS (disambiguation).
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