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Can the Instinct MI440X run Segatron XL base, M=384?
Yes — here's how fast and up to what context, with real measured numbers.
Segatron XL base, M=384 on the Instinct MI440X
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 6034k | 24023.3-29361.9 t/s | ~49-59.9 (slow) |
| Q8 | yes | 6038k | 48046.7-58723.7 t/s | ~98.1-119.8 (slow) |
| Q4 | yes | 6039k | 85797.7-104863.8 t/s | ~175.1-214 (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 MI440X run Segatron XL base, M=384?▶
Yes. At Q4 it generates ~85797.7-104863.8 tok/s and fits up to 6039k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~175.1-214 tok/s.
How much context fits?▶
At Q4, up to about 6039k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.