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// RUN — FITS
Can the Apple M4 Max 48GB run OpenELM-270M?
Yes — here's how fast and up to what context, with real measured numbers.
OpenELM-270M on the Apple M4 Max 48GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 628k | 687.6-829.1 t/s | ~12.6-15.2 (slow) |
| Q8 | yes | 632k | 1375.1-1658.2 t/s | ~25.2-30.4 (slow) |
| Q4 | yes | 634k | 2455.6-2961.1 t/s | ~45-54.2 (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 M4 Max 48GB run OpenELM-270M?▶
Yes. At Q4 it generates ~2455.6-2961.1 tok/s and fits up to 634k context; beyond that it spills to SSD swap and slows to ~45-54.2 tok/s.
How much context fits?▶
At Q4, up to about 634k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.