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An Almost-Optimal Algorithm for the Assembly Line Scheduling Problem

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1 Author(s)
Kaufman, M.T. ; Digital Systems Laboratory, Stanford University

This paper considers a solution to the multiprocessor scheduling problem for the case where the ordering relation between tasks can be represented as a tree. Assume that we have n identical processors, and a number of tasks to perform. Each task Tirequires an amount of time μito complete, 0 < μi≤ k, so that k is an upper bound on task time. Tasks are indivisible, so that a processor once assigned must remain assigned until the task completes (no preemption). Then the "longest path" scheduling method is almost-optimal in the following sense.

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Computers, IEEE Transactions on  (Volume:C-23 ,  Issue: 11 )