Cursor open-sources Mixture-of-Kittens, an Apache-2.0 deterministic MoE training megakernel for NVL72 racks delivering 2.37x higher MXFP8

We're open-sourcing Mixture-of-Kittens, a deterministic MoE training megakernel for NVL72s that fuses communication and computation into a single kernel.

Cursor open-sources Mixture-of-Kittens, an Apache-2.0 deterministic MoE training megakernel for NVL72 racks delivering 2.37x higher MXFP8