Streamed Ray Tracing of Single Rays on the Cell Processor

Bingel, Florian; Hinkenjann, Andre

Streamed Ray Tracing of Single Rays on the Cell Processor

Files

035-041.pdf (718.59 KB)

Date

2010

Authors

Bingel, Florian
Hinkenjann, Andre

Publisher

The Eurographics Association

Abstract

In this paper we present an approach to efficiently trace single rays on the Cell Processor, instead of using ray packets. To benefit from the performance of this processor, a data structure is chosen which allows traversal without excessive accesses to main memory. Together with careful optimization for SIMD processing, a performance comparable to a packet based ray tracer, running on the same hardware, is achieved. In special cases, when the coherency of the traced rays get very low, it even outperforms the packet based approach.

        @inproceedings{:10.2312/EGPGV/EGPGV10/035-041
,
booktitle = {Eurographics Symposium on Parallel Graphics and Visualization
},
editor = {James Ahrens and Kurt Debattista and Renato Pajarola
},
title = {{Streamed Ray Tracing of Single Rays on the Cell Processor
}},
author = {Bingel, Florian and 
Hinkenjann, Andre
},
year = {2010
},
publisher = {The Eurographics Association
},
ISSN = {1727-348X
},
ISBN = {978-3-905674-21-7
},
DOI = {/10.2312/EGPGV/EGPGV10/035-041
}
}