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|Title:||Programming language facilities for computer system simulation|
|Authors:||Unger, Brian W|
|Abstract:||This paper describes the programming language facilities requried to simulate computer systems. The systems considered include large multiprocessor, virtual memory computing systems, and networks of these systems. The level of modelling detail ranges from simple multi-resource models to the characterization of all software. The complex models at the latter level require powerful language facilities for program modularity. These basic language facilities include general list processing and programmer-definable data structures and data types. The relevant facilities of the following languages are considered: the general-purpose languages FORTRAN, ALGOL 60, PL/I, ALGOL 68, SIMULA 67, and PASCAL; the general-purpose simulation languages SIMSCRIPT II, GPSS V, GASP and SPURT 70; the computer simulation languages CSS, OSSL, ECSS, ASPOL, PSML, and CREAM: and the system implementation languages CONCURRENT PASCAL, CLU, ALPHARD, MODULA, and EUCLID. Of these languages only SIMULA 67 and the system implementation languages provide the basic facilities. These facilities are also useful in any general-purpose simulation language intended for implementing large, complex models.|
|Appears in Collections:||Unger, Brian W|
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