Same-day technical thread on the TPU interconnect lineage - the physical-layer detail behind the custom-silicon vs GPU debate, and context for the optical/ai-infra lane's read on where scale-up networks go next.
Over the years, Google has been improving its original 2D Torus Inter-Chip-Interconnect (ICI) network topology introduced with TPUv2, later extended to a 3D Torus starting with TPUv4 and v5p. (1/8)🧵pic.x.com/rtU0TkUzZww
Same-day technical thread on the TPU interconnect lineage - the physical-layer detail behind the custom-silicon vs GPU debate, and context for the optical/ai-infra lane's read on where scale-up networks go next.
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