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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.
Rendering Efficiently - Pixar's RenderMan | Renderman …
https://renderman.pixar.com/resources/RenderMan_20/tutorialRenderingEfficiently.html
Rendering Efficiently. Select the teapot. Open the object in the Attribute Editor. From the Attribute Editor Menu: Attributes-> RenderMan-> Manage Attributes. Select "Shading Rate" from the menu and click "Add". Set the new Shading Rate …
Optimized Rendering - Pixar's RenderMan | Renderman …
https://renderman.pixar.com/resources/RenderMan_20/appnote.3.html
Pixar's RenderMan Software Speeds Up Ray-Tracing Results ...
https://www.studiodaily.com/2015/07/pixars-renderman-ray-tracing-denoiser/
Pixar released version 20 of its RenderMan software, introducing a new noise-reduction technology designed to more efficiently deal with artifacts created by physically based ray tracers. The company said the new denoising system has allowed a "massive" reduction in the time needed to render shots and images.
12 Tips To Speed Up Your Rendering
https://www.renderro.com/blog/rendering-speed-up-guide/
1. Turn off Ray-Traced 3D. This is extremely important even though the ray-tracing function is something very innovative. However, if you want a fast render time, make sure you have a classic 3D setup before starting it. This can speed up the process up to two times!
Speeding up a Ray Trace - Chief Architect
https://www.chiefarchitect.com/support/article/KB-00010/speeding-up-a-ray-trace.html
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 File> Save As and making a copy of the file with a unique name like "kitchen_ray_trace.plan". Then, delete the foundation, Floor 2, and even furnishings, fixtures, and lights on Floor 1 that cannot be seen from the kitchen.
Trace Depth - Renderman Documentation
https://rmanwiki.pixar.com/display/REN/Trace+Depth
When rendering using ray tracing, it's common to adjust the ray depths used for tracing rays through the scene. When rendering in RenderMan, rays travel through a scene and bounce off objects, collecting light. This is known as "light transport" that moves through the scene and returns a value to the screen for the pixel.
13 Ways to Reduce Your Render Times — Blender Guru
https://www.blenderguru.com/articles/13-ways-to-reduce-render-times
Here's a list of 13 ways to speed up your render times: [Read this post in Farsi] 1. Turn off Ray Tracing. If you didn't know this already, ray tracing eats CPUs for breakfast. It's not uncommon for ray tracing to multiply your render times by 10.
graphics - Improving raytracer performance - Stack …
https://stackoverflow.com/questions/777997/improving-raytracer-performance
Arithmetic is fast on a modern machine, but a missed branch prediction is expensive. I got something like a 30% speed-up on my ray-polygon intersection test by rewriting it with minimal conditional branches. Sometimes the best approach is counter-intuitive. For example, I found that many scenes with a few large objects ran much faster when I ...
VWArtclub - Speed Up Your V-Ray Rendering
https://vwartclub.com/?section=learning&category=useful+tips&article=useful-tips-speed-up-your-vray-rendering
40 Ways to speed up your V-Ray rendering. Automotive artwork by Basso Ivan. Limit your polycount to minimum as much as possible. The more polycount, the slower the rendering. If you are using Vray, always proxy the ones with high polycount. Don’t put too many subdivisions on your shadows (as much as possible).
Tips in Speeding Up Cycles Render - Rendering WIP - McNeel ...
https://discourse.mcneel.com/t/tips-in-speeding-up-cycles-render/47185
Anyway to speed up render: In Rhino Options -> Advanced -> type in “cycles” to filter cylces menu. In RhinoCycles.tilex & RhinoCycles.tiley change from 128 to something bigger. I tested 128, 500, and 1000 and below are for time taken for 3 sampling. (128) 18.56sec -> (500) 13.68sec -> not attached (1000) 8.95sec.
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