Practical considerations in development of a parallel SKYHI general circulation model

We have developed a parallel version of the SKYHI atmospheric general circulation model. The new parallel model has been designed for shared and distributed memory machines that support data parallel, message passing or worksharing programming paradigms. The newly developed model has a framework tha...

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Veröffentlicht in:Parallel computing Jg. 21; H. 10; S. 1677 - 1694
Hauptverfasser: Jones, Philip W., Kerr, Christopher L., Hemler, Richard S.
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Elsevier B.V 1995
Schlagworte:
Atmospheric general circulation model
Climate modeling
Codes (symbols)
Computer programming
Computer programming languages
Computer simulation
Data storage equipment
Distributed computer systems
Earth atmosphere
Message passing
Parallel processing systems
Shared-memory parallel computing
Spectral transform
Table lookup
Shared-memory parallel computing
Spectral transform
Message passing
Climate modeling
Atmospheric general circulation model
ISSN:0167-8191, 1872-7336
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Zusammenfassung:We have developed a parallel version of the SKYHI atmospheric general circulation model. The new parallel model has been designed for shared and distributed memory machines that support data parallel, message passing or worksharing programming paradigms. The newly developed model has a framework that makes the code easier to understand, maintain, and modify, increasing the model's flexibility and scientific productivity. Numerous model changes are described (code design, programming models, language choice, data decomposition, communications, table lookups, memory management, and i/o) that were necessary to develop the model. The performance and verification of the model is described on several systems including a shared-memory machine with high-level worksharing and a distributed-memory system with a data parallel programming paradigm.
Bibliographie:ObjectType-Article-2
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ISSN:0167-8191
1872-7336
DOI:10.1016/0167-8191(96)80004-4