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// RUN — FITS
Can the AMD Instinct MI325X run Flan UL2?
Yes — here's how fast and up to what context, with real measured numbers.
Flan UL2 on the AMD Instinct MI325X
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 744k | 96.9-118.5 t/s | ~0.6-0.8 (slow) |
| Q8 | yes | 818k | 193.8-236.9 t/s | ~1.3-1.6 (slow) |
| Q4 | yes | 851k | 346.2-423.1 t/s | ~2.3-2.8 (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 AMD Instinct MI325X run Flan UL2?▶
Yes. At Q4 it generates ~346.2-423.1 tok/s and fits up to 851k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~2.3-2.8 tok/s.
How much context fits?▶
At Q4, up to about 851k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.