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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| Published in: | Parallel computing Vol. 21; no. 10; pp. 1677 - 1694 |
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| Main Authors: | , , |
| Format: | Journal Article |
| Language: | English |
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Elsevier B.V
1995
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| ISSN: | 0167-8191, 1872-7336 |
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| Abstract | 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. |
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| AbstractList | 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. |
| Author | Jones, Philip W. Kerr, Christopher L. Hemler, Richard S. |
| Author_xml | – sequence: 1 givenname: Philip W. surname: Jones fullname: Jones, Philip W. email: pwjones@lanl.gov organization: Theoretical Division, T-3 MS B216, Los Alamos National Laboratory, Los Alamos, NM 87544, USA – sequence: 2 givenname: Christopher L. surname: Kerr fullname: Kerr, Christopher L. organization: Geophysical Fluid Dynamics Laboratory/NOAA, Princeton University, Princeton, NJ, USA – sequence: 3 givenname: Richard S. surname: Hemler fullname: Hemler, Richard S. organization: Geophysical Fluid Dynamics Laboratory/NOAA, Princeton University, Princeton, NJ, USA |
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| Cites_doi | 10.1175/1520-0493(1971)099<0335:SOCBAG>2.3.CO;2 10.1175/1520-0469(1995)052<0005:COTSTG>2.0.CO;2 10.1029/JC086iC02p01205 10.1175/1520-0493(1973)101<0069:LGSFNT>2.3.CO;2 10.1175/1520-0493(1967)095<0509:NIOANL>2.3.CO;2 10.1016/0375-9601(94)91072-3 10.1016/0375-9601(95)00224-Q 10.1175/1520-0469(1974)031<0118:APFTAO>2.0.CO;2 10.1175/1520-0469(1980)037<2265:SSTPIO>2.0.CO;2 10.1175/1520-0469(1975)032<1475:TSEAAN>2.0.CO;2 10.1126/science.263.5150.1133 10.1007/BF00874467 10.1103/PhysRevLett.73.3528 |
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| Issue | 10 |
| Keywords | Shared-memory parallel computing Spectral transform Message passing Climate modeling Atmospheric general circulation model |
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Sci. doi: 10.1175/1520-0469(1975)032<1475:TSEAAN>2.0.CO;2 – ident: 10.1016/0167-8191(96)80004-4_BIB8 – volume: 263 start-page: 1133 year: 1994 ident: 10.1016/0167-8191(96)80004-4_BIB9 article-title: Persistence of transients in spatially structured ecological models publication-title: Science doi: 10.1126/science.263.5150.1133 – volume: 130 start-page: 421 year: 1989 ident: 10.1016/0167-8191(96)80004-4_BIB10 article-title: The effect of horizontal resolution on gravity waves simulated by the GFDL SKYHI general circulation model publication-title: Pure Appl. Geophys. doi: 10.1007/BF00874467 – volume: 73 start-page: 3528 year: 1994 ident: 10.1016/0167-8191(96)80004-4_BIB11 article-title: Experimental and numerical evidence for riddled basins in coupled chaotic systems publication-title: Phys. Rev. Lett doi: 10.1103/PhysRevLett.73.3528 |
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| SubjectTerms | 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 |
| Title | Practical considerations in development of a parallel SKYHI general circulation model |
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