// RUN โ€” FITS

Can the Apple M2 Max 64GB run MegaMolBART?

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

MegaMolBART on the Apple M2 Max 64GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 855k 3022.2-3644.4 t/s ~75.6-91.1 (slow)
Q8 yes 855k 6044.4-7288.9 t/s ~151.1-182.2 (slow)
Q4 yes 856k 10793.7-13015.9 t/s ~269.8-325.4 (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 Max 64GB run MegaMolBART?โ–ถ

Yes. At Q4 it generates ~10793.7-13015.9 tok/s and fits up to 856k context; beyond that it spills to SSD swap and slows to ~269.8-325.4 tok/s.

How much context fits?โ–ถ

At Q4, up to about 856k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.