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      • Department of Computer Engineering
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      Progressive refinement radiosity on ring-connected multicomputers

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      Author
      Çapın, Tolga K.
      Aykanat, Cevdet
      Özgüç, Bülent
      Date
      1993-10
      Source Title
      Proceedings of the 1993 Parallel Rendering Symposium
      Publisher
      ACM
      Pages
      71 - 76
      Language
      English
      Type
      Conference Paper
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      Abstract
      The progressive refinement method is investigated for parallelization on ring-connected multicomputers. A synchronous scheme, based on static task assignment, is proposed, in order to achieve better coherence during the parallel light distribution computations. An efficient global circulation scheme is proposed for the parallel light distribution computations, which reduces the total volume of concurrent communication by an asymptotical factor. The proposed parallel algorithm is implemented on a ring-embedded Intel's iPSC/2 hypercube multicomputer. Load balance quality of the proposed static assignment schemes are evaluated experimentally. The effect of coherence in the parallel light distribution computations on the shooting patch selection sequence is also investigated.
      Keywords
      Coherent light
      Computer architecture
      Computer systems
      Data storage equipment
      Image processing
      Iterative methods
      Parallel processing systems
      Program processors
      Synchronization
      Parallel computing
      Progressive refinement radiosity
      Ring connected multicomputers
      Ring interconnection topology
      Static task assignment
      Algorithms
      Permalink
      http://hdl.handle.net/11693/27797
      Published Version (Please cite this version)
      https://doi.org/10.1145/166181.166192
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      • Department of Computer Engineering 1368
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