Affine Transformations of Loop Nests for Parallel Execution and Distribution of Data over Processors

Details Affine Transformations of Loop Nests for Parallel Execution and Distribution of Data over Processors Affine Transformations of Loop Nests for Parallel Execution and Distribution of Data over Processors

2006-06-07

arxiv.org/abs/cs/0606028v1

Preprint / The National Academy of Sciences of Belarus. Institute of Mathematics: N 3 (574). Minsk, 2005

Computer Science

Distributed, Parallel, and Cluster Computing

9 pages

Scientific paper

The paper is devoted to the problem of mapping affine loop nests onto distributed memory parallel computers. A method to find affine transformations of loop nests for parallel execution and distribution of data over processors is presented. The method tends to minimize the number of communications between processors and to improve locality of data within one processor. A problem of determination of data exchange sequence is investigated. Conditions to determine the ability to arrange broadcast is presented.

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