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Can the AMD Instinct MI455X run GBERT-Large?
Yes — here's how fast and up to what context, with real measured numbers.
GBERT-Large on the AMD Instinct MI455X
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 6031k | 18429.9-22525.4 t/s | ~37.6-46 (slow) |
| Q8 | yes | 6036k | 36859.7-45050.7 t/s | ~75.2-91.9 (slow) |
| Q4 | yes | 6039k | 65820.9-80447.8 t/s | ~134.3-164.2 (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 AMD Instinct MI455X run GBERT-Large?▶
Yes. At Q4 it generates ~65820.9-80447.8 tok/s and fits up to 6039k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~134.3-164.2 tok/s.
How much context fits?▶
At Q4, up to about 6039k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.