Performance Evaluation and Monitoring
ACM Computing Surveys (CSUR)
An approach to the optimum design of computer graphics systems
Communications of the ACM
Computer graphics: capabilities, costs and usefulness
ACM SIGGRAPH Computer Graphics
Economic principles for interactive graphic applications
AFIPS '75 Proceedings of the May 19-22, 1975, national computer conference and exposition
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The development of a performance evaluation technique, using simulation, for interactive graphics systems is described. The first step is the development of a simulation model for a single terminal graphic system. The model is a functional representation of the system. The functions modelled were identified by considering the activities occurring during a typical interaction. The model was used to simulate the operation of several different hardware configurations and the results of some of these simulations are presented. The simulation model developed for a multiterminal system is a more realistic representation of the logical organization and operation of an actual system. The four system components represented are hardware, users, system software, and application program loads. The events occurring in the system were identified by considering the sequence of processing activities characteristic of an interaction or batch job. The events and components are appropriately related to reflect the situation in an actual system wherein the system software is the interface between the hardware and the application program and the user interacts with the system through the hardware.