Transputer-based Parallel Ray Tracing System Using Demand Data Transfer

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dc.contributor.authorKawai, Toshiyukien_US
dc.contributor.authorOhnishi, Mitsuhisaen_US
dc.contributor.authorAbeki, Jun-ichien_US
dc.contributor.authorOhnishi, Hironobuen_US
dc.contributor.editorP F Listeren_US
dc.date.accessioned2014-02-06T14:19:41Z
dc.date.available2014-02-06T14:19:41Z
dc.date.issued1992en_US
dc.description.abstractThis paper describes a parallel ray tracing system MAGG which has 86 transputers and HDTV frame buffers. Our system is based on a screen subdivision algorithm. In this algorithm, each processor essentially requires entire scene database. Therefore huge local storage should be required if the scene is complicated. In order to avoid this,shape descriptions in a scene database should be transferred to the processor whenthey are required. However, it would lead to lower parallel processing performance.We have devised fast communication between the large shared memory and the localmemory on each processor by means of DMA transfer instead of serial link transfer. Some experimental results indicate it is effective to improve the efficiency of parallel processing.en_US
dc.description.seriesinformationEurographics Workshop on Graphics Hardwareen_US
dc.identifier.isbn-en_US
dc.identifier.issn-en_US
dc.identifier.urihttps://doi.org/10.2312/EGGH/EGGH92/095-105en_US
dc.publisherThe Eurographics Associationen_US
dc.titleTransputer-based Parallel Ray Tracing System Using Demand Data Transferen_US
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EGGH92: Eurographics Workshop on Graphics Hardware 1992