I think Pensando and Xilinx are the networking story, not pcie. The clusters use Cray's slingshot. Within a node, the x64 cores and GPU units are on a common fa

I think Pensando and Xilinx are the networking story, not pcie. The clusters use Cray's slingshot. Within a node, the x64 cores and GPU units are on a common fabric which is also not pcie.