GLM-5.3 Flash
on 2× Mixed AMD GPUs (one Strix Halo APU and one RX 7800 XT) · llama-halo-hybrid (llama.cpp fork) · 131,072 ctx
Summary
User reports GLM-5.3-Flash at 38.6 t/s on one Strix Halo APU/iGPU plus one Radeon RX 7800 XT with 16 GB VRAM.
Setup is the llama-halo-hybrid HIP/ROCm llama.cpp fork with UD-Q2_K_XL, 131072 tokens of context, one slot, -fa on, -ngl 999, and draft-mtp with at most two draft tokens.
The 38.6 t/s is the single-stream median of 40 real category prompts, not a token-weighted aggregate; prose-category speed is 30.5 t/s and draft acceptance is 0.74.