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Authors: Thomas Schiffer 1 and Dieter W. Fellner 2

Affiliations: 1 Technische Universität Graz, Austria ; 2 Technische Universität Graz, Fraunhofer Gesellschaft and Technische Universität Darmstadt, Germany

Keyword(s): Ray Tracing, SIMT, Parallelism, GPU.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; High-Performance Computing and Parallel Rendering ; Rendering ; Rendering Hardware

Abstract: Images with high visual quality are often generated by a ray tracing algorithm. Despite its conceptual simplicity, designing an efficient mapping of ray tracing computations to massively parallel hardware architectures is a challenging task.In this paper we investigate the performance of state-of-the-art ray traversal algorithms for bounding volume hierarchies on GPUs and discuss their potentials and limitations. Based on this analysis, a novel ray traversal scheme called batch tracing is proposed. It decomposes the task into multiple kernels, each of which is designed for efficient parallel execution. Our algorithm achieves comparable performance to currently prevailing approaches and represents a promising avenue for future research.

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Paper citation in several formats:
Schiffer, T. and Fellner, D. (2014). Efficient Multi-kernel Ray Tracing for GPUs. In Proceedings of the 9th International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2014) - GRAPP; ISBN 978-989-758-002-4; ISSN 2184-4321, SciTePress, pages 209-217. DOI: 10.5220/0004703502090217

@conference{grapp14,
author={Thomas Schiffer. and Dieter W. Fellner.},
title={Efficient Multi-kernel Ray Tracing for GPUs},
booktitle={Proceedings of the 9th International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2014) - GRAPP},
year={2014},
pages={209-217},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004703502090217},
isbn={978-989-758-002-4},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the 9th International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2014) - GRAPP
TI - Efficient Multi-kernel Ray Tracing for GPUs
SN - 978-989-758-002-4
IS - 2184-4321
AU - Schiffer, T.
AU - Fellner, D.
PY - 2014
SP - 209
EP - 217
DO - 10.5220/0004703502090217
PB - SciTePress

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