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An Efficient Communication Strategy for Finite Element Methods on the Connection Machine CM-5 System
KTH, School of Computer Science and Communication (CSC), Centres, Centre for High Performance Computing, PDC. (Parallelldatorcentrum)
1994 (English)In: Computer Methods in Applied Mechanics and Engineering, ISSN 0045-7825, E-ISSN 1879-2138, Vol. 113, no 3-4, 363-387 p.Article in journal (Refereed) Published
Abstract [en]

The objective of this paper is to propose communication procedures suitable for unstructured finite element solvers implemented on distributed-memory parallel computers such as the Connection Machine CM-5 system. First, a data-parallel implementation of the recursive spectral bisection (RSB) algorithm proposed by Pothen et al. is presented. The RSB algorithm is associated with a node renumbering scheme which improves data locality of reference. Two-step gather and scatter operations taking advantage of this data locality are then designed. These communication primitives make use of the indirect addressing capability of the CM-5 vector units to achieve high gather and scatter bandwidths. The performance of the proposed communication strategy is illustrated on large-scale three-dimensional fluid dynamics problems

Place, publisher, year, edition, pages
1994. Vol. 113, no 3-4, 363-387 p.
Keyword [en]
COMPUTATIONAL FLUID-DYNAMICS; ADVECTIVE-DIFFUSIVE SYSTEMS; FORMULATION; ALGORITHM; EIGENVECTORS; EQUATIONS; MATRICES; GRAPHS; EULER; GMRES
National Category
Computer and Information Science
Identifiers
URN: urn:nbn:se:kth:diva-90991DOI: 10.1016/0045-7825(94)90054-XOAI: oai:DiVA.org:kth-90991DiVA: diva2:507642
Note
NR 20140805Available from: 2012-03-05 Created: 2012-03-05 Last updated: 2017-12-07Bibliographically approved

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