// RUN — FITS

Can the Apple M2 Ultra 192GB run PengCheng Mind (鹏城脑海)?

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

PengCheng Mind (鹏城脑海) on the Apple M2 Ultra 192GB

QuantFits?Max contextSpeedBeyond context
FP16 no
Q8 no
Q4 yes 113k 4.9-5.9 t/s ~0.1-0.1 (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 PengCheng Mind (鹏城脑海)?

Yes. At Q4 it generates ~4.9-5.9 tok/s and fits up to 113k context; beyond that it spills to SSD swap and slows to ~0.1-0.1 tok/s.

How much context fits?

At Q4, up to about 113k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.