Summary
User reports Qwen3 4B at 36.2 t/s generation and 416.6 t/s prompt processing on a Mac mini M4 with 32 GB unified memory.
Setup is llama.cpp b10929 with the Q4_K_M GGUF and Metal, all layers on the 10-core integrated GPU.
The figures are separate llama-bench tests, pp512 and tg128, each the mean of three repetitions at zero initial depth, not one 512-input/128-output request.