DeepSeek V4 Flash 0731 / ROCm PR729 / plain autoregressive / 7680 input

User reports DeepSeek V4 Flash at 21.2 t/s generation and 321.5 t/s prompt processing on one AMD Ryzen AI MAX+ 395 with Radeon 8060S (gfx1151) and 128 GB unified memory. Setup is Lucebox PR 729 on ROCm/HIP 7.2.4 with ROCmFPX-MIX-STRIX, K/V q4_0, fused decode and verify with F16 KV, expert top-k 6, sparse prefill, and a 131,072-token allocation; speculation is disabled with no drafter loaded. The headline figures are the 7,680-input point of a native PP/TG curve, not a maximum across contexts; the same curve gives 318.0/18.4 at 30,720 input and 287.4/12.9 at 122,879 input.