Minimizing data and synchronization costs in one-way communication

Document Type

Conference Proceeding

Publication Date

1-1-1998

Abstract

In contrast to the conventional send/receive model, the one-way communication model using Put and Synch allows the decoupling of message transmission from synchronization. This opens up new opportunities not only to further optimize communication but also to reduce synchronization overhead. We present a general technique which uses a global dataflow framework to optimize communication and synchronization in the context of the one-way communication model. Our approach works with the most general data alignments and distributions in languages like HPF, and is more powerful than other current solutions for eliminating redundant synchronization messages. Preliminary results on several scientific benchmarks demonstrate that our approach is successful in minimizing the number of data and synchronization messages.

Publication Source (Journal or Book title)

Proceedings of the International Conference on Parallel Processing

First Page

180

Last Page

188

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