[tomvbussel]

Hyperion is an amazing renderer. Normal renderers are limited by memory, but as Hyperion traces millions of rays at the same time they can exploit coherence between rays and they can load in and subdivide geometry on demand. It also allows them to efficiently handle PTex textures, which the folks at Disney really like.

Here's the paper that explains some of the renderers details:

https://disney-animation.s3.amazonaws.com/uploads/production...