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Transparently Tiering Memory in CXL with Hasan Al Maruf | Utilizing Tech 4×16

Tiered memory will have different performance, so operating systems will need to incorporate techniques to adapt to pages with different characteristics. This episode of Utilizing CXL features Hasan Al Maruf, part of a team that developed transparent page placement for Linux. He began his work enabling transparent page placement for InfiniBand-connected peers before applying the concept to NUMA nodes and now CXL memory.

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About the author

Stephen Foskett

Stephen Foskett is an active participant in the world of enterprise information technology, currently focusing on enterprise storage, server virtualization, networking, and cloud computing. He organizes the popular Tech Field Day event series for Gestalt IT and runs Foskett Services. A long-time voice in the storage industry, Stephen has authored numerous articles for industry publications, and is a popular presenter at industry events. He can be found online at,, and on Twitter at @SFoskett.

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