Trace-driven modeling and analysis of CPU scheduling in a multiprogramming system
Communications of the ACM
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Communications of the ACM
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Communications of the ACM
SHARER, a time sharing system for the CDC 6600
Communications of the ACM
On deadlock in computer systems
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Mathematical models of multiprogrammed computer systems
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The coordination of multiple processes in computer operating systems
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A process-oriented model of resource demands in large, multiprocessing computer utilities
A process-oriented model of resource demands in large, multiprocessing computer utilities
Trace-driven modeling studies of the performance of computer systems
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The Compatible Time-Sharing System: A Programmer's Guide
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Computer structures: Readings and examples (McGraw-Hill computer science series)
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Design of a Computer—The Control Data 6600
Design of a Computer—The Control Data 6600
Memory management and response time
Communications of the ACM
Feedback coupled resource allocation policies in the multiprogramming-multiprocessor computer system
Communications of the ACM
Graph models of computer systems: Application to performance evaluation of an operating system
SIGMETRICS '76 Proceedings of the 1976 ACM SIGMETRICS conference on Computer performance modeling measurement and evaluation
Experience with trace driven modeling
ANSS '76 Proceedings of the 4th symposium on Simulation of computer systems
Feedback coupled resource allocation policies in the multiprogramming-multiprocessor computer system
SIGMETRICS '74 Proceedings of the 1974 ACM SIGMETRICS conference on Measurement and evaluation
Gathering and analyzing data from a computer system: A case study
ACM '75 Proceedings of the 1975 annual conference
A study of response times under various deadlock algorithms and job schedulers
ACM '74 Proceedings of the 1974 annual ACM conference - Volume 2
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The UT2D operating system is a large high-performance batch and time sharing system which runs on a dual mainframe configuration consisting of a CDC 6600 and a CDC 6400 sharing an Extended Core Storage unit and all of their disks. It was developed locally at the Computation Center of the University of Texas at Austin, in an evolutionary process which started with a simple batch system. UT2D is of general interest because of its successful use of a dual configuration, because of its ability to support a large and varied load of both batch and interactive jobs, and because it demonstrates that evolutionary development by a small programming staff can succeed with a large system. Furthermore, UT2D contains some unusual features such as a built in event recorder for performance evaluation and a distributed tape-based permanent file system. This paper describes the evolution, design principles, and unusual features of UT2D. An outline is provided here for the sake of the reader who is interested in specific topics.