Optimization rules for programming with collective operations:

Abstract: "We study how several collective operations like broadcast, reduction, scan, etc. can be composed efficiently in complex parallel programs. Our specific contributions are: (1) a formal framework for reasoning about collective operations; (2) a set of optimization rules which save comm...

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Bibliographic Details
Main Authors: Gorlač, Sergej (Author), Wedler, Christoph (Author), Lengauer, Christian (Author)
Format: Book
Language:English
Published: Passau 1998
Series:Universität <Passau> / Fakultät für Mathematik und Informatik: MIP 1998,13
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Summary:Abstract: "We study how several collective operations like broadcast, reduction, scan, etc. can be composed efficiently in complex parallel programs. Our specific contributions are: (1) a formal framework for reasoning about collective operations; (2) a set of optimization rules which save communications by fusing several collective operations into one; (3) performance estimates, which guide the application of optimization rules depending on the machine characteristics; (4) a simple case study with the first results of machine experiments."
Physical Description:21, 5 S. graph. Darst.

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