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// RUN — FITS
Can the Apple M2 Ultra 64GB run Surya?
Yes — here's how fast and up to what context, with real measured numbers.
Surya on the Apple M2 Ultra 64GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 845k | 743.2-896.2 t/s | ~9.3-11.2 (slow) |
| Q8 | yes | 850k | 1486.3-1792.3 t/s | ~18.6-22.4 (slow) |
| Q4 | yes | 853k | 2654.2-3200.6 t/s | ~33.2-40 (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 64GB run Surya?▶
Yes. At Q4 it generates ~2654.2-3200.6 tok/s and fits up to 853k context; beyond that it spills to SSD swap and slows to ~33.2-40 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.