4 台 DGX Spark 跑 V4.1 Flash：双线 RoCE 让长提示读取快 15%

Tech2Wild @Tech2Wild原推发布于 2026.10.18

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🧠 Why a 2nd cable = more speed: DeepSeek V4.1 Flash is too big for one DGX Spark, so it's split across 4. Every step, the Sparks swap their work over RoCE. 1 cable = 1 lane. 2 cables = double the lanes 🛣️ Long prompts move the most data, so reading them jumped +15% 📖

这条是引用着另一条写的：「双网线 DGX Spark 本地跑 V4.1 Flash：单用户 93.6 tok/s」