Alternating-Direction Line-Relaxation Methods on Multicomputers
- Creators
- Hofhaus, Jörn
- Van de Velde, Eric F.
Abstract
We study the multicom.puter performance of a three-dimensional Navier–Stokes solver based on alternating-direction line-relaxation methods. We compare several multicomputer implementations, each of which combines a particular line-relaxation method and a particular distributed block-tridiagonal solver. In our experiments, the problem size was determined by resolution requirements of the application. As a result, the granularity of the computations of our study is finer than is customary in the performance analysis of concurrent block-tridiagonal solvers. Our best results were obtained with a modified half-Gauss–Seidel line-relaxation method implemented by means of a new iterative block-tridiagonal solver that is developed here. Most computations were performed on the Intel Touchstone Delta, but we also used the Intel Paragon XP/S, the Parsytec SC-256, and the Fujitsu S-600 for comparison.
Additional Information
© 1996 Society for Industrial and Applied Mathematics. Received by the editors August 16, 1993; accepted for publication (in revised form) October 24, 1994. This material is based upon work supported by the NSF under Cooperative Agreement No. CCR-9120008. Access to the Intel Touchstone Delta was provided by the Concurrent SuperComputing Consortium. Caltech visit [of J.H.] sponsored by the German Research Association (DFG) within the project: Strömungssimulation mit Hochleistungsrechnern.Attached Files
Published - HOFsiamjsc96.pdf
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Additional details
- Eprint ID
- 12594
- Resolver ID
- CaltechAUTHORS:HOFsiamjsc96
- CCR-9120008
- National Science Foundation
- Deutsche Forschungsgemeinschaft (DFG)
- Created
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2008-12-15Created from EPrint's datestamp field
- Updated
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2023-01-19Created from EPrint's last_modified field