A real infra-loop question that candidates fumble by guessing. The correct map, TP on NVLink, PP and DP across the scale-out fabric, falls out of three traffic profiles, and the reasoning is the answer.
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Pipeline parallelism, does it run over the scale-out network or stay inside the node? Map TP, PP, and DP onto the fabric.
A real infra-loop question that candidates fumble by guessing. The correct map, TP on NVLink, PP and DP across the scale-out fabric, falls out of three traffic profiles, and the reasoning is the answer.
Updated Aug 2026 · Grounded in real Forward Deployed Engineer interview loops and written to a senior-engineer editorial bar.
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