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// RUN — FITS
Can the AMD Instinct MI455X run P-gemma?
Yes — here's how fast and up to what context, with real measured numbers.
P-gemma on the AMD Instinct MI455X
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 2914k | 882-1078 t/s | ~1.8-2.2 (slow) |
| Q8 | yes | 2967k | 1764-2156 t/s | ~3.6-4.4 (slow) |
| Q4 | yes | 2991k | 3150-3850 t/s | ~6.4-7.9 (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 P-gemma?▶
Yes. At Q4 it generates ~3150-3850 tok/s and fits up to 2991k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~6.4-7.9 tok/s.
How much context fits?▶
At Q4, up to about 2991k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.