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A Survey of Analytical Time-Sharing Models
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Volume 1 ,  Issue 2  (June 1969) table of contents
Pages: 105 - 116  
Year of Publication: 1969
ISSN:0360-0300
Author
J. M. McKinney  Department of Industrial and Systems Engineering, University of Florida, Gainesville, Florida
Publisher
ACM  New York, NY, USA
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Downloads (6 Weeks): 12,   Downloads (12 Months): 71,   Citation Count: 44
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REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

 
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ADII~I, IGAL. A time-sharing queue with preemptive resume pmonty discipline. Oper. Res. Stat. and ~con. Mlmeo Ser. No. 7. Dep. of Indust and Mgt. Eng., Techmon, Israel Institute of Technology, Halfa, Israel, Dec. 1967 This paper deals with a TS system with Polsson arrivals and exponential service operating under a preemptive resume-priomt~ disciphne as a special case of a station operating on an RR basis and subject to breakdowns2
 
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Computer time-sharing with pnorltms. Oper. Res. Stat. and Econ. Mlmeo Set. No. 13, Dep. of Indust. and Mgt. Eng., Technion, Israel Institute of Technology, Halfa, Israel, May 1968. For a TS system with Poisson arrivals and exponential service, the following priority disciplines are discussed: (a) head-of-thehne, (b) preemptive repeat, and (c) mixed preemptive strategy.S
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CHANG, W. A queuemg model for a simple case of time-sharing. IBM Syst. J 5 (1966), 115-125. An infinite source RR system having the quantum size a random variable is studied. Derived are the expected number m queue, expected response time, average busy period length, and mare memory size requirements.
 
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Queues with feedback for time-sharing computer system analysis. Oper Res. 16 (1968), 613-627. A preemptive, externally assigned priority class model is formulated with Poisson input from each class and zero overhead and swap~ ping time. Generating functions for queue size and Laplace transforms of the response time for each class are found.
 
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COFFMAN, E. G. Stochastic models of multiple and time-shared computer operations. No. 66- 38, UCLA Eng. Rep, UCLA, Los Angeles, Calif., June 1966. RR and FB models under running-time priority discJphnes and a vamety of assumptions are given a most comprehensive study. One chapter contains one of the few available analyses of a multiprocessor system. Thin paper 2s available from Reports Group, Dept. of Eng.. Boelter Hall, Room 7526, U of California, Los Angeles, Calif. 90024.
 
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Studying multiprogrammmg systems with the queuemg theory. Datamation 18, 6 (June 1967), 47-54. This paper reviews the formal queuemg models (RR and FB) which can assist in the analysis of priority rules m multlprogrammmg computer systems. Results from eight papers are presented.
 
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An analysis of computer operations under running-time priority disciplines..Proc. ACM Symp. on Interactive Systems for Expemmental and Applied Mathemahcs, Academic Press, New York, 1968. Some of the results in {6} are presented
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AND KRISHNAMOORTHI, B. Preliminary anal~'ses of time-shared computer operation. Doc. SP-1719, System Development Corp.. Santa Momca, Calif., Aug. 1964. In this paper a model of the time-sharing system developed by SDC is given and erapineal measurements provided. Then analyhc results for a fimte source, RR system with constant swap time and geometric service times are derived using Markov chains. Tilts paper is available from System Development Corp., 2500 Colorado Ave.. Santa Monica. Cahf
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AND Computer scheduling methods and their countermeasures. Proc. AFIPS 1968 Spring Joint Comput. Conf, Vol. 32, Thompson Book Co.. Washington, D. C., pp. 11-21. A survey of the important scheduling algorithms together with countermeasures a user might employ to improve service to himself
 
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CORBATS, F. J., et al. An experimental timesharing system. Proc. AFIPS 1962 Spring Joint Comput. Conf.. Vol. 21, Spartan Books. New York, pp. 335-344. This classic reference discusses the need for time-sharing, some of the implementation T)roblems, and presents the Corbato scheduling algorithm, which is essentially an FBN system with logarithmic queue structure.
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puter systems Rep. MAC-TR-50, MIT Project MAC. Cambridge, Mass., May 1968. The dynamic allocation of limited processor and main memory resources among the users is investigated in four phases: (1) a model for program behavior is constructed, (2) the properties of system demand are defined and studied, (3) system balance policies are formulated as mathematical programming problems whose solutions are found dynamically by the scheduler, (4) these ideas are applied to the design and administration of multiprocess computer systems. Available from the Clearinghouse for Federal Scientific and Techmcal information (CFSTI), Sills Bldg, 5285 Port Royal Rd., Springfield, VA 22151
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GREENBERGER, M. The priority problem and computer time-sharing. Ma~ Sci. 15(1966), 888- 906. eginning with a rather philosophic discussion of priority and cost assignments, this paper then applies these considerations to RR system w~th constant swap-time. The pptimal quantum size Is investigated via this costing model.
 
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JACKSON, J.R. Jobshop-like queueing systems. Man. Sci 10 (1963), 131-142. The equilibrium joint probability distribution of queue length's Is obtained for a broad class of jobshop-like networks of waiting lines. The generation of routings is modeled as a random walk.
 
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KLEINROCK, L. Analysis of a time-shared processor. Nay. Res. Log. Quart. 11 (1964), 59-73. This paper analyzes a queueing structure for a RR time-shared system with Bernoulli mput and geometric service times. The expected response time conditioned on service time is found and compared with the FCFS discipline.
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Communication Nets; Stochastic Message Flow and Delay. McGraw-Hill, New York, 1964. This monograph considers the stochastic flow of message traffic in connected networks of communication centers.
 
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A conservation law for a wide class ot queuemg disciplines. Nay. Res Log. Quart. 12 (1965), 181-192 It is shown for queueing systems with Poisson input, no defections, and no work losses that a particular weighted sum of the waitmg times is a constant independent of the queue discipline. Time-shared systems: a theoretical treat-
 
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ment. J. ACM 13, 2 (Apr. 1967), 242-261. "Ideal" (i.e. zero overhead and swapping time) RR and externally assigned priority class systems with Poisson arnvals and geometric or exponential service times are studied. Expected response times are derived both m the fimte Q case and the processorshared (i.e. Q --) 0) case.
 
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~. Certain analytic results for time-shared processors. Proc. 1968 IFIP Cong. (in press). In the context of a fimte source model with exponential "think times" and servme times, system saturation is defined and studied. The degradation in performance caused by splitting a system into smaller systems is also investigated. -- Optimum bribing for queue position.
 
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Oper. Res. 15 (1967), 304-318. A non-time-sharing model is presented in which relative position in tile queue is determined by the size of the customer's bribe. A cost function encompassing the bribe and the cost of waiting is defined and the conditions for an optimal bribing function are then found.
 
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-, ANt) COFF~, E. G. Distribution of attained service in time-shared systems. 3. Cornput. Syst. Sci. 1 (1967), 287-298. The attained service for an incompletely serviced customer is the number of seconds that he has so far spent in the service facility. In this paper the distribution of attained servwe is found in terms of the average response time.
 
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KaISHNAMOOaTHI, B. The stationary behavior of a time-sharing system under poisson assumptions. Doc. SP 2090, System Development Corp., Santa Monica, Cahf., Sept. 1965. Using renewal-theoretic arguments, the limiting dlstrlbutmn of the number of active channels at time t is found for a time-sharing system with both lnteramval and service times exponential and a finite number of users. This paper is available from System Development Corporation, 2500 Colorado Ave., Santa Momca, Calif.
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LITTLe, J. D. C. A proof of the queueing formula L -- kW. Oper. Res. 9 (1961), 383-387. The first published proof of the often used queueing formula that the average queue length is given by the product of the average arrival rate and the average system waiting time.
 
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PATEL,'N. R. A mathematical analysis of computer time-sharing systems. Int. Tech. Rep. No. 20 ARO(D), Grant no. DA-ARO(D)-31-124- G158, Oper. Res Center, MIT, Cambridge. Mass., 1964. Both a RR and a FBN system (the latter closely akin to the Corbato algorithm {13}) are analyzed for the expected waits of requests. Available from Clearinghouse for Federal Scientific Technical Information (CFSTI), Sills Bldg., 5285 Port Royal Rd., Springfield, VA 22151.
 
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SCHERR, A. L. An Analyszs o} T~me-Shared Computer Systems. MIT Press, Cambridge, Mass., 1967. This classic presents analytic and simulation models of the Project MAC time-sharing system together with measurements of that system and valuable discussions of the resuits.
 
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SCHRAGE, L. E., AND MILLER, L.W. The queue M/G/1 with the shortest remaimng processing time discipline. Oper Res. 13, 4 (July-Aug. 1966), 670-684. A priority queueing model in which the service tames of jobs are known and preemption without loss occurs is studmd. The priority rule used is an extensmn of the shortest-jobfirst discipline.
 
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~ The queue M/G/1 with feedback to lower priority queues. Man. Sci. 13(1967), 466- 474. The queue M/G/1 with a FB~ discipline is considered. Laplace transforms and expressions for the moments of response time are found.
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TAKACS, L. Introduction to the Theory o} Queues Oxford U Press, New York, 1962 A useful reference containing many of the results of priority queueing systems needed for time-sharing analyses.

CITED BY  44