Qwen3.8 27B

User reports Qwen3.8 27B at 32.8 t/s average on an M1 Max 64GB MacBook Pro, using the Splash-M1 engine with a 4-bit MLX quant. Setup is the prebuilt splash-m1 1.0.2-m1 with incoai Splash packages, compared against oMLX 0.6.4. Prefill on an 8K prompt reached 101 t/s. Four parallel requests totalled 62.3 t/s. Splash was about 2x faster than the 4-bit MLX quant on code, math and parallel requests, but slower on prose (18.3 vs 16.1 t/s) and 32K prompts. Draft acceptance was about 94% on code but only 19% on prose. Time to first token at 32K was about 400 s. Accuracy matched the 4-bit quant on the user's test suites.