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Can the Instinct MI455X run BIDAF?
Yes — here's how fast and up to what context, with real measured numbers.
BIDAF on the Instinct MI455X
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 6041k | 2374615.4-2902307.7 t/s | ~4846.2-5923.1 (slow) |
| Q8 | yes | 6042k | 4749230.8-5804615.4 t/s | ~9692.3-11846.2 (slow) |
| Q4 | yes | 6042k | 8480769.2-10365384.6 t/s | ~17307.7-21153.8 (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 BIDAF?▶
Yes. At Q4 it generates ~8480769.2-10365384.6 tok/s and fits up to 6042k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~17307.7-21153.8 tok/s.
How much context fits?▶
At Q4, up to about 6042k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.