The Object-Space Parallel Processing of the Multipass Rendering Method on the (M?r)2 with a Distributed-Frame Buffer System

Hitoshi Yamauchi, Takayuki Maeda, Hiroaki Kobayashi, Tadao Nakamura

Research output: Contribution to journalArticle

Abstract

The multipass rendering method based on the global illumination model can generate the most photo-realistic images. However, since the multipass rendering method is very time consuming, it is impractical in the industrial world. This paper discusses a massively parallel processing approach to fast image synthesis by the multipass rendering method. Especially, we focus on the performance evaluation of the view-dependent object-space parallel processing on the (Mn-)2 which has been proposed in our previous paper. We also propose two kinds of distributed frame buffer system named cached frame buffer and multistage-interconnected frame buffer. These frame buffer systems can solve the access conflict problem on the frame buffer. The simulation results show that the (A/7r)2 has a scalable performance. For example, the (A/Tr)2 with more than 4000 processing elements can achieve an efficiency of over 50%. We also show that both of the proposed distributed frame buffer systems can relieve the overhead due to frame buffer access in the (A/7r)2 in the case that a large number of high-performance processing elements are adopted in the system.

Original languageEnglish
Pages (from-to)899-908
Number of pages10
JournalIEICE Transactions on Information and Systems
VolumeE80-D
Issue number9
Publication statusPublished - 1997 Jan 1

Keywords

  • Distributed frame buffer system
  • Global illumination model
  • Massively parallel processing system
  • Multipass rendering method
  • Object-space parallel processing model
  • Radiosity
  • Ray-tracing

ASJC Scopus subject areas

  • Software
  • Hardware and Architecture
  • Computer Vision and Pattern Recognition
  • Electrical and Electronic Engineering
  • Artificial Intelligence

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