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// RUN — FITS
Can the AMD Instinct MI455X run JIUTIAN-139MoE?
Yes — here's how fast and up to what context, with real measured numbers.
JIUTIAN-139MoE on the AMD Instinct MI455X
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 1214k | 159.1-194.5 t/s | ~0.3-0.4 (slow) |
| Q8 | yes | 1362k | 318.2-389 t/s | ~0.6-0.8 (slow) |
| Q4 | yes | 1428k | 568.3-694.6 t/s | ~1.2-1.4 (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 JIUTIAN-139MoE?▶
Yes. At Q4 it generates ~568.3-694.6 tok/s and fits up to 1428k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~1.2-1.4 tok/s.
How much context fits?▶
At Q4, up to about 1428k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.