// RUN โ€” FITS

Can the Apple M2 Ultra 192GB run SimPO?

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

SimPO on the Apple M2 Ultra 192GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 1170k 30.2-36.4 t/s ~0.4-0.5 (slow)
Q8 yes 1238k 60.4-72.9 t/s ~0.8-0.9 (slow)
Q4 yes 1268k 107.9-130.2 t/s ~1.3-1.6 (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 SimPO?โ–ถ

Yes. At Q4 it generates ~107.9-130.2 tok/s and fits up to 1268k context; beyond that it spills to SSD swap and slows to ~1.3-1.6 tok/s.

How much context fits?โ–ถ

At Q4, up to about 1268k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.