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#Cpu

4 articles on Cpu — news, releases, guides and analysis from the SourceFeed engine.

The x86 CPU Backdoor That Was Hiding in the Datasheet

VIA's C3 chips let userland code jump straight to ring 0 — and the mechanism was documented years before anyone called it a backdoor.

A joint AMD-Intel outer-product extension freezes the ISA contract, but real cores are years away.

A one-line dependency turned a hot loop into a crawl. Branch prediction and a volatile cast fixed it.

The x86 Ecosystem Advisory Group's new spec brings standardized matrix multiplication and tile registers to modern CPU architectures.