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// RUN — FITS
Can the Apple M2 Ultra 192GB run gLM?
Yes — here's how fast and up to what context, with real measured numbers.
gLM on the Apple M2 Ultra 192GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 2583k | 272-328 t/s | ~3.4-4.1 (slow) |
| Q8 | yes | 2599k | 544-656 t/s | ~6.8-8.2 (slow) |
| Q4 | yes | 2605k | 971.4-1171.4 t/s | ~12.1-14.6 (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 gLM?▶
Yes. At Q4 it generates ~971.4-1171.4 tok/s and fits up to 2605k context; beyond that it spills to SSD swap and slows to ~12.1-14.6 tok/s.
How much context fits?▶
At Q4, up to about 2605k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.