Analyzing the parallel scalability of an implicit unstructured mesh CFD code

W. D. Gropp, D. K. Kaushik, D. E. Keyes, B. F. Smith

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

5 Scopus citations


In this paper, we identify the scalability bottlenecks of an unstructured grid CFD code (PETSc-FUN3D) by studying the impact of several algorithmic and architectural parameters and by examiningdif ferent programmingmodels. We discuss the basic performance characteristics of this PDE code with the help of simple performance models developed in our earlier work, presentingprimarily experimental results. In addition to achievingg ood per-processor performance (which has been addressed in our cited work and without which scalability claims are suspect) we strive to improve the implementation and convergence scalability of PETSc-FUN3D on thousands of processors.

Original languageEnglish (US)
Title of host publicationHigh Performance Computing - HiPC 2000 - 7th International Conference, Proceedings
EditorsMateo Valero, Viktor K. Prasanna, Sriram Vajapeyam
PublisherSpringer Verlag
Number of pages10
ISBN (Print)3540414290, 9783540414292
StatePublished - Jan 1 2000
Event7th International Conference on High Performance Computing, HiPC 2000 - Bangalore, India
Duration: Dec 17 2000Dec 20 2000

Publication series

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


Other7th International Conference on High Performance Computing, HiPC 2000

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Computer Science(all)

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