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Incoherent ray tracing on GPU | Request PDF
https://www.researchgate.net/publication/220590859_Incoherent_ray_tracing_on_GPU
In this paper, we propose a new approach to ray tracing on GPU. Our approach is especially efficient for incoherent rays. Combined with the common packets ray tracing, we propose a …
Incoherent Ray tracing on GPU | hgpu.org
In this paper, we propose a new approach to ray tracing on GPU. Our approach is especially efficient for incoherent rays. Combined with the common packets ray tracing, we propose a different data-parallel approach to ray tracing on GPU, in which individual ray intersect with k different nodes/triangles in the same operation.
Ray Tracing : Boosting performance with ray coherence
https://www.cdrin.com/blog/ray-tracing-boosting-performance-with-ray-coherence
Incoherent rays: Primary rays (red), 1st bounce (green), 2nd bounce (blue) The problem is that, even tough ray tracing is much better at rendering incoherent information than rasterization, the performances for incoherent rays are way less than for coherent ones.
Efficient data management for incoherent ray tracing
https://www.sciencedirect.com/science/article/pii/S156849461200302X
an efficient data management designed for gpu based ray tracing is proposed. data-management layer and task-management layer process the uncertainty in ray tracing. we introduce the two-level ray sorting and a ray bucket structure to reorganize ray data. we schedule tasks in data-driven execution according to coherent data. the …
Architecture Considerations for Tracing Incoherent Rays
https://www.researchgate.net/publication/221248934_Architecture_Considerations_for_Tracing_Incoherent_Rays
This paper proposes a massively parallel hardware architecture for efficient tracing of incoherent rays, e.g. for global illumination. The general approach is centered around hierarchical treelet...
Architecture Considerations for Tracing Incoherent Rays
https://research.nvidia.com/sites/default/files/pubs/2010-06_Architecture-Considerations-for/aila2010hpg_paper.pdf
Abstract This paper proposes a massively parallel hardware architecture for efficient tracing of incoherent rays, e.g. for global illumination. The general approach is centered around hierarchical treelet subdivision of the acceleration structure and repeated queueing/postponing of rays to reduce cache pressure.
Architecture Considerations for Tracing Incoherent Rays
https://www.highperformancegraphics.org/previous/www_2010/media/RayTracing_II/HPG2010_RayTracing_II_Aila.pdf
• 1ststack entry from 32 rays, 2ndstack entry from 32 rays,… • Good for coherent rays, less so for incoherent • 50% of traffic caused by traversal stacks with random sort! Stack traffic – baseline method 8 • Non-interleaved stacks, cached in L1 • Requires …
Coherent Ray Tracing: the Next Evolution in Ray Tracing
https://itigic.com/coherent-ray-tracing-next-evolution-in-ray-tracing/
ray tracing renders incoherent elements of the scene more accurately, quickly and efficiently than rasterization, but there is a related performance problem when rendering the incoherent part of the scene that makes the computational cost very high at when it comes to applying ray tracing and that is precisely the next big challenge for companies …
Efficient Incoherent Ray Traversal on GPUs Through …
https://research.nvidia.com/sites/default/files/publications/ylitie2017hpg-paper.pdf
Our method reduces the amount of memory traffic significantly, which translates to 1.9–2.1×improvement in incoherent ray traversal performance compared to the current state of the art. Furthermore, the memory consumption of our hierarchy is 35–60% of a typical uncompressed BVH.
Interactive Rendering with Coherent Ray Tracing
https://www.sci.utah.edu/~wald/Publications/2001/CRT/CRT.pdf
using our software ray tracing im- plementation on a single pc (dual pentium-iii,800 mhz, 256mb) at a resolution of 5122pixels, these scenes render at roughly 3.6, 3.2, and 1.6 frames per second using both processors. based algorithms that dominate todays algorithms targeted at interactive 3d graphics: occlusion culling and logarithmic complexity …
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