Qwen3.8

User reports Qwen3.8 Next Q3_K_XL at 24/27 tk/s on prose and 40+ tk/s on code with MTP on two 7900 XTX cards, with prefill at 920 tk/s pp8192. Setup is a custom llama.cpp build optimized for the 7900 XTX, with RAM offload and without the MoE expert cache. The user also benchmarks Qwen3.8 27B Q8_0 with tensor parallel at 1600 tk/s pp8192, 60/65 tk/s prose and 100+ tk/s code, and Qwen3.6 27B Q4_K_M on a single card with MTP at 1020 tk/s pp8192, about 58/60 tk/s prose and 75/80 tk/s code.