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// RUN — FITS
Can the Apple M2 Ultra 192GB run MatterGen?
Yes — here's how fast and up to what context, with real measured numbers.
MatterGen on the Apple M2 Ultra 192GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 2612k | 5812-7008.5 t/s | ~72.6-87.6 (slow) |
| Q8 | yes | 2613k | 11623.9-14017.1 t/s | ~145.3-175.2 (slow) |
| Q4 | yes | 2613k | 20757-25030.5 t/s | ~259.5-312.9 (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 MatterGen?▶
Yes. At Q4 it generates ~20757-25030.5 tok/s and fits up to 2613k context; beyond that it spills to SSD swap and slows to ~259.5-312.9 tok/s.
How much context fits?▶
At Q4, up to about 2613k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.