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// RUN — FITS
Can the Apple M3 Max 36GB run DiT-XL/2?
Yes — here's how fast and up to what context, with real measured numbers.
DiT-XL/2 on the Apple M3 Max 36GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 451k | 151.1-182.2 t/s | ~5-6.1 (slow) |
| Q8 | yes | 461k | 302.2-364.4 t/s | ~10.1-12.1 (slow) |
| Q4 | yes | 466k | 539.7-650.8 t/s | ~18-21.7 (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 36GB run DiT-XL/2?▶
Yes. At Q4 it generates ~539.7-650.8 tok/s and fits up to 466k context; beyond that it spills to SSD swap and slows to ~18-21.7 tok/s.
How much context fits?▶
At Q4, up to about 466k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.