Combinatorial Bidirectional Path-Tracing for Efficient Hybrid CPU/GPU Rendering
Loading...
Date
2011
Journal Title
Journal ISSN
Volume Title
Publisher
The Eurographics Association and Blackwell Publishing Ltd.
Abstract
This paper presents a reformulation of bidirectional path-tracing that adequately divides the algorithm into processes efficiently executed in parallel on both the CPU and the GPU. We thus benefit from high-level optimization techniques such as double buffering, batch processing, and asyncronous execution, as well as from the exploitation of most of the CPU, GPU, and memory bus capabilities. Our approach, while avoiding pure GPU implementation limitations (such as limited complexity of shaders, light or camera models, and processed scene data sets), is more than ten times faster than standard bidirectional path-tracing implementations, leading to performance suitable for production-oriented rendering engines.
Description
@article{10.1111:j.1467-8659.2011.01863.x,
journal = {Computer Graphics Forum},
title = {{Combinatorial Bidirectional Path-Tracing for Efficient Hybrid CPU/GPU Rendering}},
author = {Pajot, Anthony and Barthe, Loïc and Paulin, Mathias and Poulin, Pierre},
year = {2011},
publisher = {The Eurographics Association and Blackwell Publishing Ltd.},
ISSN = {1467-8659},
DOI = {10.1111/j.1467-8659.2011.01863.x}
}