Hot Chips 2026: Interviewing IBM's Christian Zoellin and Christian Jacobi
Summary
This interview at Hot Chips 2026 covers IBM's dual-ISA z/Architecture with ARM integration, discussing decode pipelines, endianness handling, strict memory ordering, and the hardware efficiency of adding ARM alongside z. It also touches on memory bandwidth, HBM concerns, and the strategic business rationale for expanding IBM’s ecosystem to include ARM software workloads and AI-centric use cases.