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// RUN — FITS
Can the AMD Instinct MI325X run Pythia-1b?
Yes — here's how fast and up to what context, with real measured numbers.
Pythia-1b on the AMD Instinct MI325X
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 3540k | 1890-2310 t/s | ~12.6-15.4 (slow) |
| Q8 | yes | 3556k | 3780-4620 t/s | ~25.2-30.8 (slow) |
| Q4 | yes | 3562k | 6750-8250 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 AMD Instinct MI325X run Pythia-1b?▶
Yes. At Q4 it generates ~6750-8250 tok/s and fits up to 3562k 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 3562k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.