The grid technology has been used to solve complicated scientific problems for a long *** the heterogeneity of gird,we need an effective method to dispatch the tasks to computational units with different process *** t...
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The grid technology has been used to solve complicated scientific problems for a long *** the heterogeneity of gird,we need an effective method to dispatch the tasks to computational units with different process *** this paper,we first propose a new measurement standard for workload,and then three load-balancing strategies,namely RANDOM,shortest processing time first(SPTF) and longest processing time first(LPTF),are compared in order to find out a relatively optional *** LPTF rule shows better performance when the number of workflow instances increases beyond a specific threshold value.
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