The diagram is confusing, but the GPUs are connected to the NVLink matrix which ... | Hacker News

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		pinewurst on April 5, 2016 \| parent \| context \| favorite \| on: The Nvidia DGX-1 Deep Learning Supercomputer in a ... The diagram is confusing, but the GPUs are connected to the NVLink matrix which is connected to the motherboard via the PLX PCIe switches. The quad IB/dual 10GbE are separate IO attached to the motherboard. https://devblogs.nvidia.com/parallelforall/inside-pascal/

virtuallynathan on April 6, 2016 [–]

That would make much more sense. Thanks! The PCI bandwidth must be fairly limited. 4x 100G Infiniband is 64x PCIe lanes, out of 80x lanes available.

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