Though I have tried to balance this with how complex the code is to read.įor example, the renderers use iterative ray tracing instead of recursion, The rest of the code is similarly written to achieve interactive path tracing performance, Triangle meshes, and one material type, the Disney BRDF. Geometries, materials, and effects used in film and the large codeīases can be challenging to quickly port to a new architecture or API.ĬhameleonRT is the exact opposite, supporting just one geometry type, On in a production renderer than just ray tracing to support the kind of complex Renderer, as they are production renderers. CineBench, LuxMark, and Blender Benchmark are excellentįor getting a full picture of what performance to expect from a production film With some possible small differences due to subtle differences in the ray tracingĬhameleonRT is different from popular ray tracing benchmark applications likeĪnd Blender Benchmark, in that ChameleonRT isĪ minimal interactive path tracer. The rendering code in each backend is nearly identical and they produce almost pixel exact outputs, Through the work discussed in this post, it also has a newįor fast multi-threaded and SIMD accelerated ray tracing on CPUs through Interactive path tracer that I’ve been working on to learn the different ray tracing APIs,Īnd to provide an example or starting point for myself and others working with themĬhameleonRT provides backends for the GPU ray tracing APIs: Then we’ll make some fair (and some extremely unfair) ray tracing In this post, we’ll take a look at the new Metal ray tracingĪPI to see how it lines up with DirectX, Vulkan, OptiX and Embree, On my own interactive path tracing project,Īnd to get it running on the new Metal ray tracing API. So, I decided to pick up a Mac Mini to do some testing Which bears some resemblance to the DirectX, Vulkan, and OptiX GPU ray tracing APIs. I had also been interested in trying out the new

These scores were 1.6x higher than I got on my old Haswell desktop and 2x That Apple has achieved with the chip is very impressive.Īs a ray tracing person, what caught my eye the most was the The performance overall, and especially performance/watt, The Apple M1 available in the MacBook Air, MacBook Pro 13”, and Mac Mini hasīeen the focus of a ton of benchmarking writeups and blog posts about

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