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// RUN — FITS
Can the Apple M4 Max 36GB run ProGen2-xlarge?
Yes — here's how fast and up to what context, with real measured numbers.
ProGen2-xlarge on the Apple M4 Max 36GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 138k | 29-35 t/s | ~0.5-0.6 (slow) |
| Q8 | yes | 187k | 58-70 t/s | ~1.1-1.3 (slow) |
| Q4 | yes | 208k | 103.6-124.9 t/s | ~1.9-2.3 (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 M4 Max 36GB run ProGen2-xlarge?▶
Yes. At Q4 it generates ~103.6-124.9 tok/s and fits up to 208k context; beyond that it spills to SSD swap and slows to ~1.9-2.3 tok/s.
How much context fits?▶
At Q4, up to about 208k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.