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// RUN — FITS
Can the Apple M2 Ultra 192GB run Zidong Taichu?
Yes — here's how fast and up to what context, with real measured numbers.
Zidong Taichu on the Apple M2 Ultra 192GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 2516k | 85-102.5 t/s | ~1.1-1.3 (slow) |
| Q8 | yes | 2565k | 170-205 t/s | ~2.1-2.6 (slow) |
| Q4 | yes | 2586k | 303.6-366.1 t/s | ~3.8-4.6 (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 M2 Ultra 192GB run Zidong Taichu?▶
Yes. At Q4 it generates ~303.6-366.1 tok/s and fits up to 2586k context; beyond that it spills to SSD swap and slows to ~3.8-4.6 tok/s.
How much context fits?▶
At Q4, up to about 2586k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.