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// RUN — FITS
Can the Apple M2 Ultra 192GB run StyleGAN?
Yes — here's how fast and up to what context, with real measured numbers.
StyleGAN on the Apple M2 Ultra 192GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 2613k | 10381.7-12519.1 t/s | ~129.8-156.5 (slow) |
| Q8 | yes | 2613k | 20763.4-25038.2 t/s | ~259.5-313 (slow) |
| Q4 | yes | 2614k | 37077.4-44711 t/s | ~463.5-558.9 (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 StyleGAN?▶
Yes. At Q4 it generates ~37077.4-44711 tok/s and fits up to 2614k context; beyond that it spills to SSD swap and slows to ~463.5-558.9 tok/s.
How much context fits?▶
At Q4, up to about 2614k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.