// RUN โ€” FITS

Can the AMD Instinct MI455X run MOSS-Moon-003?

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

MOSS-Moon-003 on the AMD Instinct MI455X

QuantFits?Max contextSpeedBeyond context
FP16 yes 1388k 385.9-471.6 t/s ~0.8-1 (slow)
Q8 yes 1449k 771.8-943.3 t/s ~1.6-1.9 (slow)
Q4 yes 1476k 1378.1-1684.4 t/s ~2.8-3.4 (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 AMD Instinct MI455X run MOSS-Moon-003?โ–ถ

Yes. At Q4 it generates ~1378.1-1684.4 tok/s and fits up to 1476k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~2.8-3.4 tok/s.

How much context fits?โ–ถ

At Q4, up to about 1476k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.