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Can the Instinct MI455X run BEIT-3?
Yes — here's how fast and up to what context, with real measured numbers.
BEIT-3 on the Instinct MI455X
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 5984k | 3249.5-3971.6 t/s | ~6.6-8.1 (slow) |
| Q8 | yes | 6013k | 6498.9-7943.2 t/s | ~13.3-16.2 (slow) |
| Q4 | yes | 6025k | 11605.3-14184.2 t/s | ~23.7-28.9 (slow) |
Estimate (memory-bound). Beyond "max context" the KV cache spills to system RAM offload (depends on your system RAM) and speed drops to the "beyond" figure.
FAQ
Can the Instinct MI455X run BEIT-3?▶
Yes. At Q4 it generates ~11605.3-14184.2 tok/s and fits up to 6025k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~23.7-28.9 tok/s.
How much context fits?▶
At Q4, up to about 6025k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.