Analysis of Graphs by Ordering of Nodes
Journal of the ACM (JACM)
Revised report on the algorithm language ALGOL 60
Communications of the ACM
Picture-system models and computer system design.
Picture-system models and computer system design.
Picture systems, PS, and the design of a channel-to-channel computer interface
ISCA '75 Proceedings of the 2nd annual symposium on Computer architecture
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The last few years has brought a number of changes to the digital system designer's parts inventory - mainly the addition of large scale integration components such as memories and processors. The solution of an information processing problem involves making the right choices from the variety of components offered and designing the hardware/software interface mechanisms between the components. Methods of simulating this new generation of digital systems are needed as tools. The demands placed on such a tool are great: it must (1) facilitate modeling of a digital system at various levels of architectural detail; (2) allow within a single model two components at quite different specification levels; (3) as a design progresses, allow replacement of models by more detailed models; (4) facilitate modeling of all types of components - hardware, firmware, and software; and (5) have a readily changeable parts library. PS is a tool for simulation of digital systems which meets these demands. In addition PS is designed to case the problem of communicating hardware/software mechanisms between people by automatically producing pictures of a system in its various states. These pictures can be used as a means of describing the system. The models produced by PS are called picture-system models [1, 2, 3].