A combinatorial scheme for developing efficient composite solvers

Sanjukta Bhowmick, Padma Raghavan, Keita Teranishi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Scopus citations


Many fundamental problems in scientific computing have more than one solution method. It is not uncommon for alternative solution methods to represent different tradeoffs between solution cost and reliability. Furthermore, the performance of a solution method often depends on the numerical properties of the problem instance and thus can vary dramatically across application domains. In such situations, it is natural to consider the construction of a multi-method composite solver to potentially improve both the average performance and reliability. In this paper, we provide a combinatorial framework for developing such composite solvers. We provide analytical results for obtaining an optimal composite from a set of methods with normalized measures of performance and reliability. Our empirical results demonstrate the effectiveness of such optimal composites for solving large, sparse linear systems of equations.

Original languageEnglish (US)
Title of host publicationComputational Science, ICCS 2002 - International Conference, Proceedings
PublisherSpringer Verlag
Number of pages10
EditionPART 2
ISBN (Print)354043593X, 9783540435938
StatePublished - 2002
EventInternational Conference on Computational Science, ICCS 2002 - Amsterdam, Netherlands
Duration: Apr 21 2002Apr 24 2002

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
NumberPART 2
Volume2330 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349


ConferenceInternational Conference on Computational Science, ICCS 2002

ASJC Scopus subject areas

  • Theoretical Computer Science
  • General Computer Science


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