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// RUN — FITS
Can the Apple M2 Ultra 192GB run ZymCTRL?
Yes — here's how fast and up to what context, with real measured numbers.
ZymCTRL on the Apple M2 Ultra 192GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 2591k | 368.6-444.4 t/s | ~4.6-5.6 (slow) |
| Q8 | yes | 2603k | 737.1-888.9 t/s | ~9.2-11.1 (slow) |
| Q4 | yes | 2608k | 1316.3-1587.3 t/s | ~16.5-19.8 (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 ZymCTRL?▶
Yes. At Q4 it generates ~1316.3-1587.3 tok/s and fits up to 2608k context; beyond that it spills to SSD swap and slows to ~16.5-19.8 tok/s.
How much context fits?▶
At Q4, up to about 2608k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.