Grok 4.7 [xhigh] on
Ran on my RTX PRO 6000 rig, every session ended on its own inside 100 minutes on an unlimited budget, every kernel correct, every number is the isolated regrade after a jsonl trace-level and submission-level reward-hack audit.
There are five problems
> Kimi-Linear Decode megakernel
> Grid + MinGRU (basically a sim)
> Native Sparse Attention
> GLM-5.3's Fused MoE
> MegaQwen Decode