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Automated Distributed-memory Parallelism from Symbolic Specification in Devito

Authors: F. Luporini; R. Nelson; T. Burgess; A. St-Cyr; G. Gorman;

Automated Distributed-memory Parallelism from Symbolic Specification in Devito

Abstract

Summary Automated Distributed-memory Parallelism has been added to Devito, a rapidly evolving framework adopted by a dynamic, heterogeneous and fast-growing community. The key innovations are the abstractions provided to the user and the compiler- based implementation approach, which we consider invaluable for long-term sustainable software to replace (partly or fully) obsolete, impenetrable, hardly extendable and often inefficient legacy code. The auto-tuner, which determines, among the other things, the best block shape for each tiled loop nest in an Operator, has already been tweaked to support DMP. Single-node multi-socket (one MPI process per socket) as well as Multi-node experiments, both weak and strong scaling, are planned for the near future.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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Average
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