Gemma 4 31B

User reports Gemma 4 31B at 10.95 t/s generation and 544.93 t/s prefill on an AMD Strix Halo 128GB-class unified-memory system. Setup is the Gufo Gemma development fork with UD-Q4_K_XL, one warmed HTTP single-session prose request, greedy temperature 0/seed 1, thinking off, autoregressive with draft_n=0. The run used prompt_n 2038, cache_n 0 and predicted_n 128; the rates are engine-stage figures from one sample, not prompt/TTFT or whole-request throughput.