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Task Clustering and Scheduling to Multiprocessors with Duplication
Nice, France April 22-April 26
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/IPDPS.2003.1213079International Parallel and Distribute ...
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Li Guodong, Nanjing University
Chen Daoxu, Nanjing University
Wang Daming, Nanjing University
Zhang Defu, Nanjing University
Optimal task-duplication-based scheduling of tasks represented by a directed acyclic graph (DAG) onto a set of homogenous distributed memory processors, is a strong NP-hard problem. In this paper we present a clustering and scheduling algorithm with time complexity 0(v3logv), where v is the number of nodes, which is able to generate optimal schedule for some specific DAGs. For arbitrary DAGs, the schedule generated is at most two times as the optimal one. Simulation results show that the performance of TCSD is superb to those of four renowned algorithms: PY, TDS, TCS and CPFD.
Citation:
Li Guodong, Chen Daoxu, Wang Daming, Zhang Defu, "Task Clustering and Scheduling to Multiprocessors with Duplication," ipdps, pp.6b, International Parallel and Distributed Processing Symposium (IPDPS'03), 2003
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