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Can the NVIDIA B200 run GPT-2 (774M)?
Yes — here's how fast and up to what context, with real measured numbers.
GPT-2 (774M) on the NVIDIA B200
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 2649k | 3772.6-4496.1 t/s | ~18.9-22.5 (slow) |
| Q8 | yes | 2661k | 7545.2-8992.2 t/s | ~37.7-45 (slow) |
| Q4 | yes | 2666k | 13473.6-16057.6 t/s | ~67.4-80.3 (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 GPT-2 (774M)?▶
Yes. At Q4 it generates ~13473.6-16057.6 tok/s and fits up to 2666k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~67.4-80.3 tok/s.
How much context fits?▶
At Q4, up to about 2666k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.