Parallelization in a spatially explicit individual-based ecological model—1. Spatial data interpolation
In this paper, we compare parallel implementations for spatial data interpolation on two parallel computers, MasPar MP-2 and CM-5, with the sequential implementations on a serial computer, SUN SPARCStation 20/61. Performance statistics indicate that: (1) parallel implementations can attain significa...
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| Vydáno v: | Computers & geosciences Ročník 23; číslo 3; s. 293 - 304 |
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| Jazyk: | angličtina |
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Elsevier Ltd
01.04.1997
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| ISSN: | 0098-3004, 1873-7803 |
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| Abstract | In this paper, we compare parallel implementations for spatial data interpolation on two parallel computers, MasPar MP-2 and CM-5, with the sequential implementations on a serial computer, SUN SPARCStation 20/61. Performance statistics indicate that: (1) parallel implementations can attain significant speed improvements over sequential implementations in a long-term simulation (above 100 time steps); (2) a data parallel algorithm using the local map method performs better than the partitioned map method on the MasPar MP-2, but there is no significant difference between them on the CM-5; and (3) for the particular problem of spatial data interpolation, the SIMD parallel computer (the MasPar MP-2 with 4096 processor elements) performs better than the MIMD parallel computer (the CM-5 with 32 parallel processing nodes). |
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| AbstractList | In this paper, we compare parallel implementations for spatial data interpolation on two parallel computers, MasPar MP-2 and CM-5, with the sequential implementations on a serial computer, SUN SPARCStation 20/61. Performance statistics indicate that: (1) parallel implementations can attain significant speed improvements over sequential implementations in a long-term simulation (above 100 time steps); (2) a data parallel algorithm using the local map method performs better than the partitioned map method on the MasPar MP-2, but there is no significant difference between them on the CM-5; and (3) for the particular problem of spatial data interpolation, the SIMD parallel computer (the MasPar MP-2 with 4096 processor elements) performs better than the MIMD parallel computer (the CM-5 with 32 parallel processing nodes). |
| Author | Comiskey, E.Jane Dempsey, John C. Luh, Hang-Kwang Berry, Michael W. Abbott, Catherine A. Gross, Louis J. |
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| Cites_doi | 10.1126/science.261.5123.856 10.1126/science.268.5218.1688 10.2307/1312455 10.1016/0098-3004(94)90060-4 10.1007/BF00131534 10.1093/comjnl/36.8.702 10.1109/99.326668 10.1109/TC.1972.5009071 10.1559/152304083783914958 10.1080/02693799408902019 |
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| Keywords | Knowledge-based MasPar MP-2 Spatial data interpolation Ecology Parallel computer CM-5 Bilinear |
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| Title | Parallelization in a spatially explicit individual-based ecological model—1. Spatial data interpolation |
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