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// RUN — FITS
Can the Instinct MI455X run Janus-Pro-1B?
Yes — here's how fast and up to what context, with real measured numbers.
Janus-Pro-1B on the Instinct MI455X
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 6011k | 6174-7546 t/s | ~12.6-15.4 (slow) |
| Q8 | yes | 6026k | 12348-15092 t/s | ~25.2-30.8 (slow) |
| Q4 | yes | 6033k | 22050-26950 t/s | ~45-55 (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 Janus-Pro-1B?▶
Yes. At Q4 it generates ~22050-26950 tok/s and fits up to 6033k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~45-55 tok/s.
How much context fits?▶
At Q4, up to about 6033k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.