Analysis of future event set algorithms for discrete event simulation
Communications of the ACM
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During the past two years, the many applications that have been made using GASP IV (16) have resulted in the need for new developments. In reviewing the applications, it has been found that the organizational structure provided by GASP IV for building combined continuous/discrete models has been of tremendous aid to analysts. The ability to super-impose a discrete event structure on a state variable model of a system in an efficient and effective manner has been demonstrated by diverse applications. Although GASP IV is used for the normal discrete type of problems such as the study of inventory and queueing systems and for the analysis of continuous systems, it is the area of combined simulation where it has had its greatest impact. The first type of ongoing developments relate to modifications, adaptations and extensions for GASP IV. Another ongoing development in GASP involves the design and implementation of an interactive version of GASP IV (5,6).