Optimizing parallel performance of streamline visualization for large distributed flow datasets

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

30 Citations (Scopus)

Abstract

Parallel performance has been a challenging topic in streamline visualization for large unstructured flow datasets on parallel distributed-memory computers. It depends strongly on domain partitions. Unsuitable partitions often lead to severe load imbalance and high frequent communications among the domain partitions. To address the problem, we present an approach to flow data partitioning taking account of flow directions and features. Multilevel spectral graph bisection method is employed to reduce communication and synchronization overhead among distributed domains. Edge weights in the corresponding adjacent matrix is defined based on an anisotropic local diffusion operator which assigns strong coupling along flow direction and weak coupling orthogonal to flow. Meanwhile, the distributions of seed points and flow features such as vortex structure are also considered in partitioning so as to obtain good load balance. The experimental results are given to show the feasibility and effectiveness of our method.

Original languageEnglish
Title of host publicationIEEE Pacific Visualisation Symposium 2008, PacificVis - Proceedings
Pages87-94
Number of pages8
DOIs
Publication statusPublished - 2008 Aug 25
Externally publishedYes
Event2008 Pacific Visualization Symposium, PacificVis 2008 - Kyoto, Japan
Duration: 2008 Mar 42008 Mar 7

Publication series

NameIEEE Pacific Visualisation Symposium 2008, PacificVis - Proceedings

Other

Other2008 Pacific Visualization Symposium, PacificVis 2008
CountryJapan
CityKyoto
Period08/3/408/3/7

Keywords

  • Flow clustering
  • Flow visualization
  • Graph partition
  • Load balance
  • Parallel streamline

ASJC Scopus subject areas

  • Computer Graphics and Computer-Aided Design
  • Hardware and Architecture
  • Software

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  • Cite this

    Chen, L., & Fujishiro, I. (2008). Optimizing parallel performance of streamline visualization for large distributed flow datasets. In IEEE Pacific Visualisation Symposium 2008, PacificVis - Proceedings (pp. 87-94). [4475463] (IEEE Pacific Visualisation Symposium 2008, PacificVis - Proceedings). https://doi.org/10.1109/PACIFICVIS.2008.4475463