Raytracing (Ray / BVH traversal / bbox intersection, and ray primitive intersection can all be SIMD-fied fairly well (very well up to 4-wide, fairly well up to

Raytracing (Ray / BVH traversal / bbox intersection, and ray primitive intersection can all be SIMD-fied fairly well (very well up to 4-wide, fairly well up to 8-wide, depending on how things are packed).