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Can the Instinct MI455X run StyleGAN3-T?
Yes — here's how fast and up to what context, with real measured numbers.
StyleGAN3-T on the Instinct MI455X
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 6041k | 2768609.9-3383856.5 t/s | ~5650.2-6905.8 (slow) |
| Q8 | yes | 6042k | 5537219.7-6767713 t/s | ~11300.4-13811.7 (slow) |
| Q4 | yes | 6042k | 9887892.4-12085201.8 t/s | ~20179.4-24663.7 (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 MI455X run StyleGAN3-T?▶
Yes. At Q4 it generates ~9887892.4-12085201.8 tok/s and fits up to 6042k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~20179.4-24663.7 tok/s.
How much context fits?▶
At Q4, up to about 6042k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.