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Issue No.03 - March (1998 vol.9)
pp: 295-311
ABSTRACT
<p><b>Abstract</b>—We study a multiprocessing computer system which accepts parallel programs that have a fork-join computational paradigm. The multiprocessing computer system under study is modeled as <it>K</it> homogeneous servers, each with an infinite capacity queue. Parallel programs arrive at the multiprocessing system according to a series-parallel phase type interarrival process with mean arrival rate of λ. Upon the program arrival, it forks into <it>K</it> independent tasks and each task is assigned to an unique server. Each task's service time has a <it>k</it>-stage Erlang distribution with mean service time of 1/μ. A parallel program is completed upon the completion of its last task. This kind of queuing model has no known closed form solution in the general (<it>K</it>≥ 2) case. In this paper, we show that by carefully modifying the arrival and service distributions at some imbedded points in time, we can obtain tight performance bounds. We also provide a computational efficient algorithm for obtaining upper and lower bounds on the expected response time. The methodology is flexible and allows one to trade-off the tightness of the bounds and computational cost.</p>
INDEX TERMS
High performance computing, performance evaluation, performance modeling methodology, analysis of multiprocessing systems.
CITATION
John C.S. Lui, Richard R. Muntz, Don Towsley, "Computing Performance Bounds of Fork-Join Parallel Programs Under a Multiprocessing Environment", IEEE Transactions on Parallel & Distributed Systems, vol.9, no. 3, pp. 295-311, March 1998, doi:10.1109/71.674321
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