// RUN โ€” FITS

Can the Instinct MI455X run OmniFusion-7B (InternViT-6B-448px V1-2)?

Yes โ€” here's how fast and up to what context, with real measured numbers.

OmniFusion-7B (InternViT-6B-448px V1-2) on the Instinct MI455X

QuantFits?Max contextSpeedBeyond context
FP16 yes 2264k 492.3-601.8 t/s ~1-1.2 (slow)
Q8 yes 2340k 984.7-1203.5 t/s ~2-2.5 (slow)
Q4 yes 2374k 1758.4-2149.1 t/s ~3.6-4.4 (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 OmniFusion-7B (InternViT-6B-448px V1-2)?โ–ถ

Yes. At Q4 it generates ~1758.4-2149.1 tok/s and fits up to 2374k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~3.6-4.4 tok/s.

How much context fits?โ–ถ

At Q4, up to about 2374k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.