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Google Rejiggers TPU Accelerators For Broader AI Inference Work
Google is preparing to roll out two re‑engineered TPU accelerators—Sunfish TPU 8t and Zebrafish TPU 8i—later in 2026, with broader deployment slated for Q1 2027 and a multi‑region ramp through 2028. The 8t, fabricated by Broadcom and TSMC, targets AI training, featuring a 3‑D torus interconnect linking 9,600 chips and delivering 121 exaflops at FP4 precision, plus 216 GB HBM3E per device. A derivative, the 8tx, swaps the torus for a lower‑latency “boardfly” fabric and replaces Google’s Axion ARM CPU with an AMD EPYC [...]