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  1. Proceedings of the 1999 IEEE symposium on Parallel visualization and graphics (PVGS '99)
  2. On the partitionability of hierarchical radiosity
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On the partitionability of hierarchical radiosity

Content Provider ACM Digital Library
Author Garmann, Robert
Abstract The Hierarchical Radiosity Algorithm (HRA) is one of the most efficient sequential algorithms for physically based rendering. Unfortunately, it is hard to implement in parallel. There exist fairly efficient shared-memory implementations but things get worst in a distributed memory (DM) environment. In this paper we examine the structure of the IIRA in a graph partitioning setting. Various measurements performed on the task access graph of the HRA indicate the existance of several bottlenecks in a potential DM implementation. We compare “optimal” partitioning results obtained by the partitioning software Metis with a trivial and a spatial partitioning algorithm, and show that the spatial partitioning copes with most of the bottlenecks well.
Starting Page 69
Ending Page 78
Page Count 10
File Format PDF
ISBN 1581132379
DOI 10.1145/328712.319339
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 1999-10-25
Access Restriction Subscribed
Subject Keyword 2d mesh array simd feature extraction floodfill segmentation volume processing volume rendering
Content Type Text
Resource Type Article
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