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// RUN — FITS
Can the Apple M3 Max 128GB run SimPO?
Yes — here's how fast and up to what context, with real measured numbers.
SimPO on the Apple M3 Max 128GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 730k | 15.1-18.2 t/s | ~0.4-0.5 (slow) |
| Q8 | yes | 799k | 30.2-36.4 t/s | ~0.8-0.9 (slow) |
| Q4 | yes | 829k | 54-65.1 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 M3 Max 128GB run SimPO?▶
Yes. At Q4 it generates ~54-65.1 tok/s and fits up to 829k context; beyond that it spills to SSD swap and slows to ~1.3-1.6 tok/s.
How much context fits?▶
At Q4, up to about 829k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.