// RUN โ€” FITS

Can the Apple M2 Ultra 192GB run BIDAF?

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

BIDAF on the Apple M2 Ultra 192GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 2614k 104615.4-126153.8 t/s ~1307.7-1576.9 (slow)
Q8 yes 2614k 209230.8-252307.7 t/s ~2615.4-3153.8 (slow)
Q4 yes 2614k 373626.4-450549.5 t/s ~4670.3-5631.9 (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 BIDAF?โ–ถ

Yes. At Q4 it generates ~373626.4-450549.5 tok/s and fits up to 2614k context; beyond that it spills to SSD swap and slows to ~4670.3-5631.9 tok/s.

How much context fits?โ–ถ

At Q4, up to about 2614k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.