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// RUN — FITS
Can the Apple M1 Ultra 64GB run DDPM-IP (CelebA)?
Yes — here's how fast and up to what context, with real measured numbers.
DDPM-IP (CelebA) on the Apple M1 Ultra 64GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 847k | 922-1111.9 t/s | ~11.5-13.9 (slow) |
| Q8 | yes | 852k | 1844.1-2223.7 t/s | ~23.1-27.8 (slow) |
| Q4 | yes | 853k | 3293-3970.9 t/s | ~41.2-49.6 (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 M1 Ultra 64GB run DDPM-IP (CelebA)?▶
Yes. At Q4 it generates ~3293-3970.9 tok/s and fits up to 853k context; beyond that it spills to SSD swap and slows to ~41.2-49.6 tok/s.
How much context fits?▶
At Q4, up to about 853k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.