Qwen3.8 125B (6B active) Flash-Next

User reports Qwen3.8-Flash-Next at 21.05 tokens/s engine-reported output decode on a Strix Halo 128GB (Ryzen AI MAX+ 395 / Radeon 8060S). Setup is Gufo with UD-Q4_K_XL GGUF weights, configured context capacity 131584 tokens, one slot, MTP off, thinking off, temperature 0. The run read an actual input of 127525 tokens and produced 420 output tokens; reported prefill duration was 93.24 seconds and whole-request wall time 113.47 seconds, with no derived prefill rate submitted because raw counter semantics were not independently verified. One cold sample; cached repeats excluded.