- Abandon vLLM/FP8 (Triton compilation hangs, ~0.5 tok/s on Strix Halo) - llama.cpp v10133 with ROCm0 offload, DFlash draft model - Main: unsloth/Qwen3.6-27B-MTP-GGUF:Q8_0 (~22GB) - Draft: Alittlehammmer/Qwen3.6-27B-DFlash-GGUF-llama.cpp:Q8_0 (~1.8GB) - 3 parallel streams, 131072 context/stream - systemd service with minimal sandboxing (ROCm requires /dev/kfd access) - Baseline: 7.62 tok/s (threshold 5.0 tok/s)