Google TPU
Patterson https://inst.eecs.berkeley.edu/~cs152/sp19/lectures/L20-DSA.pdf
TPUv4
Google details new AI accelerator chips
On the compute front, Google recently announced TPUv4, its fourth-generation hardware chip purpose-built for AI training. TPUv4 is 2.7x more performant than its predecessor and, when configured in a 4,092-chip pod, generates one exaflop of processing power, equivalent to that in 10 million laptops