Uploaded December 2022 | Updated September 2026, 3 weeks ago

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Tutorial 1, Hot Chips 34 (2022), Sunday, August 21, 2022.

Chair: Nathan Kalyanasundharam, CXL Board & AMD

This tutorial describes the latest CXL protocols for interconnecting CPU core chiplets with device chiplets in tightly-coupled systems such as multi-chiplet packages.

CXL overview and evolution
Ishwar Agarwal, Intel

CXL2/CXL3 coherency deep dive
Robert Blankenship, Intel

Memory use cases and challenges
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CXL3 Fabric introduction & use cases
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