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A simulation study of two distributed task allocation procedures

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3 Author(s)
Milutinovic, V.M. ; Sch. of Electr. Eng., Purdue Univ., West Lafayette, IN, USA ; Crnkovic, J.J. ; Houstis, C.E.

The authors concentrate on the simulation study of two distributed task allocation procedures: the load balancing and the LOCO procedure. The first is widely used in general-purpose processing. The second was recently introduced and analyzed in the processing environment corresponding to the complex multitask jobs typical of some supercomputing and artificial-intelligence-oriented systems. Both procedures are simulated and compared in realistic situations, where both processing resources and interconnection network may represent the system bottleneck. Both were tested using carrier-sense multiple-access communications protocols. The CSMA/CD protocol performed better than TDMA with load balancing, but no difference was found with the LOCO procedure. For a large number of special-purpose processing resources and a large number of jobs in the system, LOCO produced better results than load balancing

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Software Engineering, IEEE Transactions on  (Volume:14 ,  Issue: 1 )