Deepseek V4 flash performance on DGX Spark

In three linesUser deploys Deepseek V4 Flash on DGX Spark (2x ASUS GX10) via vLLM. Max context 256k tokens, prefill throughput 1680-2150 T/s, decode 37-49 T/s across window sizes. Consistent performance, low degradation. Model outperforms M2.7 and Stepfun 3.7 on high-context reasoning benchmarks.

Summary generated by Claude — human-verified