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// RUN — FITS
Can the Apple M1 Ultra 64GB run FvFold?
Yes — here's how fast and up to what context, with real measured numbers.
FvFold on the Apple M1 Ultra 64GB
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 856k | 29533.8-35614.3 t/s | ~369.2-445.2 (slow) |
| Q8 | yes | 856k | 59067.6-71228.6 t/s | ~738.3-890.4 (slow) |
| Q4 | yes | 856k | 105477.8-127193.9 t/s | ~1318.5-1589.9 (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 FvFold?▶
Yes. At Q4 it generates ~105477.8-127193.9 tok/s and fits up to 856k context; beyond that it spills to SSD swap and slows to ~1318.5-1589.9 tok/s.
How much context fits?▶
At Q4, up to about 856k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.