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// RUN — FITS
Can the Apple M2 Ultra 192GB run Prithvi WxC?
Yes — here's how fast and up to what context, with real measured numbers.
Prithvi WxC on the Apple M2 Ultra 192GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 2544k | 118.3-142.6 t/s | ~1.5-1.8 (slow) |
| Q8 | yes | 2579k | 236.5-285.2 t/s | ~3-3.6 (slow) |
| Q4 | yes | 2594k | 422.4-509.3 t/s | ~5.3-6.4 (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 Prithvi WxC?▶
Yes. At Q4 it generates ~422.4-509.3 tok/s and fits up to 2594k context; beyond that it spills to SSD swap and slows to ~5.3-6.4 tok/s.
How much context fits?▶
At Q4, up to about 2594k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.