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Compilation of mathematical models to parallel code
Linköpings universitet, Institutionen för datavetenskap. Linköpings universitet, Tekniska högskolan.
1996 (engelsk)Licentiatavhandling, monografi (Annet vitenskapelig)
Abstract [en]

Generating parallel code from high-level mathematical models is in its general form an intractable problem. Rather than trying to solve this problem, a more realistic approach is to solve specific problem instances for limited domains.In this thesis, we focus our efforts on problems where the main computation is to solve ordinary differential equation systems. When solving such a system of equations, the major part of the computing time is spent in application specific code, rather than in the serial solver kernel. By applying domain specific knowledge, we can generate efficient parallel code for numerical solution.We investigate automatic parallelisation of the computation of ordinary differential equation systems at three different levels of granularity: equation system level, equation level, and clustered task level. At the clustered task level we employ existing scheduling and clustering algorithms to partition and distribute the computation.Moreover, an interface is provided to express explicit parallelism through annotations in the the mathematical model.This work is performed in the context of ObjectMath, a programming environment and modelling language that supports classes of equation objects, inheritance of equations, and solving systems of equations. The environment is designed to handle realistic problems.

sted, utgiver, år, opplag, sider
Linköping: Univ. , 1996. , s. 87
Serie
Linköping Studies in Science and Technology. Thesis, ISSN 0280-7971 ; 563
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-163828Lokal ID: LiU-TEK-LIC-1996:28ISBN: 9178717434 (tryckt)OAI: oai:DiVA.org:liu-163828DiVA, id: diva2:1395145
Tilgjengelig fra: 2020-02-21 Laget: 2020-02-21 Sist oppdatert: 2020-02-21bibliografisk kontrollert

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