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Can the NVIDIA B200 run MegaMolBART?
Yes — here's how fast and up to what context, with real measured numbers.
MegaMolBART on the NVIDIA B200
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 2671k | 64888.9-77333.3 t/s | ~324.4-386.7 (slow) |
| Q8 | yes | 2672k | 129777.8-154666.7 t/s | ~648.9-773.3 (slow) |
| Q4 | yes | 2672k | 231746-276190.5 t/s | ~1158.7-1381 (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 NVIDIA B200 run MegaMolBART?▶
Yes. At Q4 it generates ~231746-276190.5 tok/s and fits up to 2672k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~1158.7-1381 tok/s.
How much context fits?▶
At Q4, up to about 2672k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.