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CPU-Style SIMD Ray Traversal on GPUs

  • In this paper we describe and evaluate an implementation of CPU-style SIMD ray traversal on the GPU. We show how spreading moderately wide BVHs (up to a branching factor of eight) across multiple threads in a warp can improve performance while not requiring expensive pre-processing. The presented ray-traversal method exhibits improved traversal performance especially for increasingly incoherent rays.

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Metadaten
Author:Alexander Lier, Marc Stamminger, Kai Selgrad
DOI:https://doi.org/10.1145/3231578.3231583
ISBN:9781450358965
Parent Title (English):Proceedings of the Conference on High-Performance Graphics
Publisher:Association for Computing Machinery
Place of publication:New York, NY, USA
Document Type:conference proceeding (article)
Language:English
Year of first Publication:2018
Release Date:2022/04/25
Tag:GPU; SIMD; ray tracing
First Page:1
Last Page:4
Institutes:Fakultät Informatik und Mathematik
Begutachtungsstatus:peer-reviewed
Publication:Externe Publikationen
research focus:Digitalisierung
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG