Google turned to AMD Epyc, not its own Axion chips, to secure its first confidential TPU

Google's new TPU 8tx pairs TPU 8t silicon with 5th Gen AMD Epyc "Turin" hosts to deliver confidential AI inference

The AI juggernaut passed over its own Axion CPU, which hosts the 8t and 8i, likely because its audited confidential stack is x86-only for now

The confidential TPU joins a growing number of chips even as key security details remain unpublished, even as Google and Nvidia already offer confidential GPUs to cloud customers

Google has added two more systems to its eighth-generation TPU family, and the one built for confidential AI leverages a host processor Google didn't design.

The TPU 8tx, detailed alongside the dual-chip TPU 8i Max in…

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