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An algorithm for scheduling jobs in hypercube systems

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2 Author(s)
Oh-Heum Kwon ; Dept. of Comput. Eng., Pukyong Nat. Univ., Pusan, South Korea ; Kyung-Yong Chwa

In this paper, we consider the problem of nonpreemptively scheduling independent jobs so as to minimize overall finish time on an m-dimensional hypercube system. This problem is NP-hard. We propose a polynomial time approximation algorithm and prove that the absolute performance ratio of the algorithm does not exceed 1.875. This is the first algorithm achieving an absolute performance ratio less than two by a constant

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Parallel and Distributed Systems, IEEE Transactions on  (Volume:9 ,  Issue: 9 )