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// RUN — FITS
Can the Apple M3 Max 64GB run GePpeTto?
Yes — here's how fast and up to what context, with real measured numbers.
GePpeTto on the Apple M3 Max 64GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 852k | 1162.4-1401.7 t/s | ~29.1-35 (slow) |
| Q8 | yes | 854k | 2324.8-2803.4 t/s | ~58.1-70.1 (slow) |
| Q4 | yes | 855k | 4151.4-5006.1 t/s | ~103.8-125.2 (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 64GB run GePpeTto?▶
Yes. At Q4 it generates ~4151.4-5006.1 tok/s and fits up to 855k context; beyond that it spills to SSD swap and slows to ~103.8-125.2 tok/s.
How much context fits?▶
At Q4, up to about 855k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.