Ugh... I'm... Actually, I'm amazed how good this is, if you treat it like some conceptualist piece :ablobsurpriseblush:

Something happened around 2017 and lower-end* system vendors went "screw that, we're getting the fuck out"

\* Of Top500 HPC

It's actually pretty capable. The first images were simple, but had a point. Having seen the result it proposed a few tweaks. And after getting the sources for example scenes and elementary functions it picked up more stuff to its satisfaction.

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"Underwater"
Claude Sonnet 3.5.1, free-form scene description

Long time, no SIMD

JK, the naivest stupidest binary tree blows fancy 4-way SIMDed BVH out of the water.

Actually, it may be slower by itself, but multicore apparently *destroys* wide instruction performance. At the same time cache^W completely oblivious scalar traversal is happy to run on all the capabilities available.

High ceremony 4-wide or primitive 10-/20-/whatever-wide? :blobthonkang:

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