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// RUN — FITS
Can the Apple M1 Ultra 64GB run LUKE?
Yes — here's how fast and up to what context, with real measured numbers.
LUKE on the Apple M1 Ultra 64GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 841k | 563.1-679.1 t/s | ~7-8.5 (slow) |
| Q8 | yes | 849k | 1126.3-1358.2 t/s | ~14.1-17 (slow) |
| Q4 | yes | 852k | 2011.2-2425.3 t/s | ~25.1-30.3 (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 64GB run LUKE?▶
Yes. At Q4 it generates ~2011.2-2425.3 tok/s and fits up to 852k context; beyond that it spills to SSD swap and slows to ~25.1-30.3 tok/s.
How much context fits?▶
At Q4, up to about 852k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.