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Can the AMD Instinct MI455X run Adaptive Inputs + LayerDrop?
Yes — here's how fast and up to what context, with real measured numbers.
Adaptive Inputs + LayerDrop on the AMD Instinct MI455X
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 6029k | 14595.7-17839.2 t/s | ~29.8-36.4 (slow) |
| Q8 | yes | 6035k | 29191.5-35678.5 t/s | ~59.6-72.8 (slow) |
| Q4 | yes | 6038k | 52127.7-63711.6 t/s | ~106.4-130 (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 Adaptive Inputs + LayerDrop?▶
Yes. At Q4 it generates ~52127.7-63711.6 tok/s and fits up to 6038k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~106.4-130 tok/s.
How much context fits?▶
At Q4, up to about 6038k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.