Qwen3.8 27B
on AMD Strix Halo 128GB · paoai-strix-engine · 8,192 ctx
Use cases
codinglong-context
Summary
User reports Qwen3.8-27B at 42.4 t/s writing code on one Strix Halo 128GB, with 404 t/s prompt reading at 8K context.
Setup is the paoai-strix-engine strix-v4 Vulkan build with a 15 GB ROCmFP4 GGUF, MTP draft head for the Chat profile, DFlash2 adaptive drafting for Code and Long, and an f16 KV cache for Long.
Three serving profiles were measured at 8K, 32K, 64K, 128K and 256K with fresh prompts and prompt cache off; the 256K window was verified on all three, and the Code and Long profiles scored 100 on a coding exam. A 55-task quality bench scored 83.2 for Chat.