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On Compiling Array Expressions for Efficient Execution on Distributed-Memory Machines

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6 Author(s)
S. K. S. Gupta ; Ohio State University Columbus ; S. D. Kaushik ; S. Mufti ; S. Sharma
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Efficient generation of communication sets and local index sets is important for evaluation of array expressions in scientific languages such as Fortran-90 and High Performance Fortran implemented on distributed-memory machines. We show that for arrays affinely aligned with templates that are distributed on multiple processors with a block-cyclic distribution, the local memory access sequence and communication sets can be efficiently enumerated using closed forms. First, closed form solutions are presented for arrays that are aligned with identity template that are distributed using block or cyclic distributions.

Published in:

Parallel Processing, 1993. ICPP 1993. International Conference on  (Volume:2 )

Date of Conference:

16-20 Aug. 1993