// RUN โ€” FITS

Can the Apple M2 Ultra 192GB run ProteinLM?

Yes โ€” here's how fast and up to what context, with real measured numbers.

ProteinLM on the Apple M2 Ultra 192GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 2522k 90.7-109.3 t/s ~1.1-1.4 (slow)
Q8 yes 2568k 181.3-218.7 t/s ~2.3-2.7 (slow)
Q4 yes 2588k 323.8-390.5 t/s ~4-4.9 (slow)

Estimate (memory-bound). Beyond "max context" the KV cache spills to SSD swap and speed drops to the "beyond" figure.

FAQ

Can the Apple M2 Ultra 192GB run ProteinLM?โ–ถ

Yes. At Q4 it generates ~323.8-390.5 tok/s and fits up to 2588k context; beyond that it spills to SSD swap and slows to ~4-4.9 tok/s.

How much context fits?โ–ถ

At Q4, up to about 2588k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.