Sort-First, Distributed Memory Parallel Visualization and Rendering

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While commodity computing and graphics hardware has increased in capacity and dropped in cost, it is still quite difficult to make effective use of such systems for general-purpose parallel visualization and graphics. We describe the results of a recent project that provides a software infrastructure suitable for general-purpose use by parallel visualization and graphics applications. Our work combines and extends two technologies: Chromium, a stream-oriented framework that implements the OpenGL programming interface; and OpenRM Scene Graph, a pipelined-parallel scene graph interface for graphics data management. Using this combination, we implement a sort-first, distributed memory, parallel volume rendering application. We describe ... continued below

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Bethel, E. Wes; Humphreys, Greg; Paul, Brian & Brederson, J. Dean July 15, 2003.

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Description

While commodity computing and graphics hardware has increased in capacity and dropped in cost, it is still quite difficult to make effective use of such systems for general-purpose parallel visualization and graphics. We describe the results of a recent project that provides a software infrastructure suitable for general-purpose use by parallel visualization and graphics applications. Our work combines and extends two technologies: Chromium, a stream-oriented framework that implements the OpenGL programming interface; and OpenRM Scene Graph, a pipelined-parallel scene graph interface for graphics data management. Using this combination, we implement a sort-first, distributed memory, parallel volume rendering application. We describe the performance characteristics in terms of bandwidth requirements and highlight key algorithmic considerations needed to implement the sort-first system. We characterize system performance using a distributed memory parallel volume rendering application, a nd present performance gains realized by using scene specific knowledge to accelerate rendering through reduced network bandwidth. The contribution of this work is an exploration of general-purpose, sort-first architecture performance characteristics as applied to distributed memory, commodity hardware, along with a description of the algorithmic support needed to realize parallel, sort-first implementations.

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OSTI as DE00816073

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  • 2003 Symposium on Parallel Visualization and Graphics, IEEE Visualization, Seattle, WA (US), 10/19/2003--10/24/2003

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  • Report No.: LBNL--52998
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 816073
  • Archival Resource Key: ark:/67531/metadc734689

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  • July 15, 2003

Added to The UNT Digital Library

  • Oct. 18, 2015, 6:40 p.m.

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  • April 4, 2016, 3:43 p.m.

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Bethel, E. Wes; Humphreys, Greg; Paul, Brian & Brederson, J. Dean. Sort-First, Distributed Memory Parallel Visualization and Rendering, article, July 15, 2003; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc734689/: accessed November 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.