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// RUN — FITS
Can the Apple M1 Ultra 128GB run GemNet-T (OC20)?
Yes — here's how fast and up to what context, with real measured numbers.
GemNet-T (OC20) on the Apple M1 Ultra 128GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 1735k | 143157.9-172631.6 t/s | ~1789.5-2157.9 (slow) |
| Q8 | yes | 1735k | 286315.8-345263.2 t/s | ~3578.9-4315.8 (slow) |
| Q4 | yes | 1735k | 511278.2-616541.4 t/s | ~6391-7706.8 (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 M1 Ultra 128GB run GemNet-T (OC20)?▶
Yes. At Q4 it generates ~511278.2-616541.4 tok/s and fits up to 1735k context; beyond that it spills to SSD swap and slows to ~6391-7706.8 tok/s.
How much context fits?▶
At Q4, up to about 1735k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.