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Parallelism and Representation Problems in Distributed Systems
December 1980 (vol. 29 no. 12)
pp. 1080-1086
M.J. Flynn, Computer Systems Laboratory, Stanford University
A hierarchical view of program representation is used to explain the problems of matching various representations to underlying distributed architectures. If a program is to effectively use a distributed computer system, it is necessary to represent and detect a high degree of parallelism. Methods of detecting such parallelism and their limitations are discussed. The actual machine level representation of a high-level language program also affects the ability to achieve a good match between the computer system resources and the program. The concept of an ideal machine for the program leads naturally to a representation employing a directly executed language. The initial program representation profoundly influences the possibility of obtaining a good representation at other levels of the hierarchy. A poor initial language representation leads to unnecessary architectural contraints or insufficient information to efficiently execute a program. The issue of suitable initial representation for distributed hardware is approached employing a functional language basis.
Index Terms:
representation, Directly executed languages, distributed systems, functional programming, parallelism
M.J. Flynn, J.L. Hennessy, "Parallelism and Representation Problems in Distributed Systems," IEEE Transactions on Computers, vol. 29, no. 12, pp. 1080-1086, Dec. 1980, doi:10.1109/TC.1980.1675513
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