// RUN โ€” FITS

Can the Apple M2 Ultra 192GB run DeBERTa?

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

DeBERTa on the Apple M2 Ultra 192GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 2568k 181.3-218.7 t/s ~2.3-2.7 (slow)
Q8 yes 2591k 362.7-437.3 t/s ~4.5-5.5 (slow)
Q4 yes 2601k 647.6-781 t/s ~8.1-9.8 (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 DeBERTa?โ–ถ

Yes. At Q4 it generates ~647.6-781 tok/s and fits up to 2601k context; beyond that it spills to SSD swap and slows to ~8.1-9.8 tok/s.

How much context fits?โ–ถ

At Q4, up to about 2601k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.