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Erschienen in:
2007 | OriginalPaper | Buchkapitel
ISO: Comprehensive Techniques Toward Efficient GEN_BLOCK Redistribution with Multidimensional Arrays
verfasst von : Shih-Chang Chen, Ching-Hsien Hsu
Erschienen in: Parallel Computing Technologies
Verlag: Springer Berlin Heidelberg
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Runtime data redistribution is usually required in parallel algorithms to enhance data locality, achieve dynamic load balancing and reduce remote data access on distributed memory multicomputers. In this paper, we present comprehensive techniques to implement GEN_BLOCK redistribution in parallelizing compilers, including
Indexing
schemes for communication sets generation, a contention-free communication
Scheduling
algorithm and an
Optimization
technique for improving communication efficiency. Both theoretical analysis and experimental results show that the proposed techniques can efficiently perform GEN_BLOCK data redistribution during runtime.