A Reader Fixed Quantized KV Cache on Strix Halo. I Verified It at 262k Context, and His Theory About My Dense Cliff Survived Half Its Test

A reader's fork makes quantized KV cache faster than f16 on Strix Halo. Verified on a 128GB box up to the full 262k native context. His cache-spill theory for the dense cliff survived half its test, and the failed half is the interesting part.