# 谷歌TPU互联拓扑演进：从2D到3D Torus

- 来源：SemiAnalysis (@SemiAnalysis_)
- 发布时间：2026-08-18 06:01
- AIHOT 分数：29
- AIHOT 链接：https://aihot.virxact.com/items/cmsxswi0j0a8aroz0tkkeyu00
- 原文链接：https://x.com/SemiAnalysis_/status/2089472651521626622

## AI 摘要

多年来，谷歌一直在改进其最初随TPUv2推出的2D环形片间互联（ICI）网络拓扑，后来从TPUv4和v5p开始扩展为3D环形拓扑。(1/8)🧵

## 正文

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)🧵