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// RUN — FITS
Can the AMD Instinct MI455X run RoBERTa Base?
Yes — here's how fast and up to what context, with real measured numbers.
RoBERTa Base on the AMD Instinct MI455X
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 6038k | 49392-60368 t/s | ~100.8-123.2 (slow) |
| Q8 | yes | 6040k | 98784-120736 t/s | ~201.6-246.4 (slow) |
| Q4 | yes | 6040k | 176400-215600 t/s | ~360-440 (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 RoBERTa Base?▶
Yes. At Q4 it generates ~176400-215600 tok/s and fits up to 6040k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~360-440 tok/s.
How much context fits?▶
At Q4, up to about 6040k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.