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Mesh layouts for block-based caches.

Sung-Eui Yoon1, Peter Lindstrom

  • 1Lawrence Livermore National Laboratory, USA. sungeui@llnl.gov

IEEE Transactions on Visualization and Computer Graphics
|November 4, 2006
PubMed
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Novel mesh layouts optimize computer cache performance for visualization and geometric processing. These cache-aware and cache-oblivious approaches reduce cache misses, enhancing algorithm efficiency.

Area of Science:

  • Computer Science
  • Computer Graphics
  • Scientific Visualization

Background:

  • Computer architectures utilize caching to enhance application performance.
  • Block fetching is a key characteristic of cache schemes for uncached data access.

Purpose of the Study:

  • To present novel cache-aware and cache-oblivious mesh layouts for improved performance in interactive visualization and geometric processing.
  • To develop new metrics for quantifying mesh layout quality and cache miss prediction.

Main Methods:

  • Derivation of cache-aware and cache-oblivious metrics based on a general I/O model.
  • Optimization of surface and volume mesh layouts using the derived metrics.
  • Performance evaluation of optimized layouts in visualization applications.

Related Experiment Videos

Main Results:

  • New metrics show high correlation with cache misses during mesh access.
  • Optimized mesh layouts significantly improve performance in isosurface extraction and view-dependent rendering.
  • Enhanced cache-oblivious layouts outperform previous methods in performance, applicability, and accuracy.

Conclusions:

  • Cache-aware and cache-oblivious mesh layouts are effective for improving performance in geometric processing and visualization.
  • The developed metrics provide a valuable tool for assessing and optimizing mesh data structures for caching.
  • This work advances the state-of-the-art in cache-efficient mesh processing and rendering.