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Competitive on-line scheduling of imprecise computations

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2 Author(s)
Baruah, S.K. ; Dept. of Comput. Sci., Vermont Univ., Burlington, VT, USA ; Hickey, M.E.

The on-line scheduling of systems of imprecise computation tasks is investigated. The system objective is to maximize the value obtained. A formal model is defined. Under certain reasonable assumptions-formalized here as the weak feasible mandatory constraint-a competitive on-line scheduling algorithm is presented for the commonly studied uniform-density task systems. It is proven, however, that an on-line algorithm may, in general, perform arbitrarily poorly as compared to a clairvoyant scheduler

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Computers, IEEE Transactions on  (Volume:47 ,  Issue: 9 )