A Stochastic Model for Closed-Loop Preemptive Microprocessor I/O Organizations

Authors:
J. M. Van Campenhout;P. Notredame
Affiliations:
Information Systems Laboratory, Department of Electrical Engineering, Stanford University;-
Venue:
IEEE Transactions on Computers
Year:
1978

Citing 4
Cited 0

Operating system principles

Operating system principles
Introduction to Computer Organization and Data Structures

Introduction to Computer Organization and Data Structures
Theory, Volume 1, Queueing Systems

Theory, Volume 1, Queueing Systems
A new minicomputer/multiprocessor for the ARPA network

AFIPS '73 Proceedings of the June 4-8, 1973, national computer conference and exposition

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Abstract

A stochastic model of closed-loop priority I/O systems is developed in which request generation is assumed to be exponential but service time distributions are arbitrary. This model reflects the code granularity caused by the implementation. Using this model, an interrupt-driven system is compared to a similar system with polled I/O on the basis of latency times and CPU utilization.