Hot Chips 2026: IBM's first dual-ISA core natively executes ARM and z/Architecture in the same core; all cores run at 5.7 GHz base frequency — next-gen mainframe AI processor is built on 2nm node with 11 cores
AI disclosure
Summary
IBM is vastly expanding softwarte support on its mainframes with its first dual-ISA CPU core that natively supports z/Architecture and ARM instructions.