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graphics - Improving raytracer performance - Stack Overflow
https://stackoverflow.com/questions/777997/improving-raytracer-performance#:~:text=The%20typical%20first%20order%20improvement%20of%20raytracer%20speed,%28e.g.%20spatial%20partitioning%20trees%20and%20things%20like%20mailboxing%29.
Speeding up a Ray Trace - Chief Architect
https://www.chiefarchitect.com/support/article/KB-00010/speeding-up-a-ray-trace.html
ANSWER. Delete everything that doesn't affect the ray trace view. For example, if you are creating a ray trace of a kitchen on Floor 1, begin by selecting ... Turn off layers that are not seen in the ray trace view. Turn off Soft Shadows (Ray Tracing) for as many lights as possible. Avoid shiny ...
Speeding up Ray-tracing - cuni.cz
https://cgg.mff.cuni.cz/~pepca/lectures/pdf/pg2-11-speedup.en.pdf
Ray-scene intersection takes most of the CPU time (Whitted: up to 95%) scene composed of elementary solids –sphere, box, cylinder, cone, triangle, polyhedron, .. –primitive solids in CSG –number of elementary solids .. N naïve algorithm tests every ray (up to the proper recursion depth H) against every elementary solid
Speeding Up Ray Tracing - UCL Computer Science
http://www0.cs.ucl.ac.uk/staff/j.kautz/teaching/3080/Slides/16_FastRaytrace.pdf
Speeding Up Ray Tracing. ©Anthony Steed 1999, Celine Loscos 2005, Jan Kautz 2007-2009. Optimisations. • Limit the number of rays • Make the ray test faster. – for shadow rays. • the main drain on resources if there are several lights. – for primary rays – for all rays. Over 90% of the cost of ray tracing is in ray-object intersection tests.
graphics - Improving raytracer performance - Stack …
https://stackoverflow.com/questions/777997/improving-raytracer-performance
The typical first order improvement of raytracer speed is some sort of spatial partitioning scheme. Based only on your project outline page, it seems you haven't done this. Probably the most usual approach is an octree, but the best approach may well be a combination of methods (e.g. spatial partitioning trees and things like mailboxing).
Speed-Up Techniques for Ray Tracing Field Prediction …
https://ieeexplore.ieee.org/document/4909458/
Abstract: Despite their good performance, the widespread diffusion of ray tracing field-prediction models is still limited due to their high complexity and high computation time. In this paper, two different classes of methods for speeding up ray tracing urban field prediction are proposed, aimed at reducing the size of the input database and the number of rays to be …
Sony patents method for “significant improvement of ray …
https://arstechnica.com/gaming/2022/02/how-sonys-new-patent-filing-could-speed-up-playstation-ray-tracing/
With a newly filed patent, though, Sony engineer Mark Cerny lays out a method that could significantly speed up the ray-tracing process by offloading certain calculations from the GPU to specially ...
Speed-Up Techniques for Ray Tracing Field Prediction …
https://www.researchgate.net/publication/224440459_Speed-Up_Techniques_for_Ray_Tracing_Field_Prediction_Models
An algorithm to speed up a ray tracing engine is described which allows to select arbitrary areas around transmitters and receivers by dividing the scene in a voxel chessboard.
How Does Ray Tracing Improve GPU Performance? | ITIGIC
https://itigic.com/how-does-ray-tracing-improve-gpu-performance/
The rendering method generally used in video games is the so-called rasterization or painter’s algorithm.But with the arrival of Ray Tracing or Ray Tracing in real time we are approaching an era in which old limitations are completely overcome. With the arrival of AMD‘s RDNA 2 and new generation consoles, it is clear that we are not facing a passing fad and that …
Speeding up raytracing in Vray? - V-Ray - CGarchitect Forums
https://forums.cgarchitect.com/topic/36867-speeding-up-raytracing-in-vray/
2.8k. Share. Posted November 22, 2009. Try decreasing the maximum depth to 2. Also make sure you are not using glossiness (it doesn't make the mirror look any better and takes ages to render). Another thing that occurs me is that maybe the mirrors aren't the source of the problem, maybe it's what they are reflecting.
Ray tracing (graphics) - Wikipedia
https://en.wikipedia.org/wiki/Ray_tracing_(graphics)
Ray tracing (graphics) Not to be confused with Ray tracing (physics). This recursive ray tracing of reflective colored spheres on a white surface demonstrates the effects of shallow depth of field, "area" light sources, and diffuse interreflection. In 3D computer graphics, ray tracing is a technique for modeling light transport for use in a ...
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