Author

Yue-Qi Chen

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Preprint Sep 2026

xTier: Intelligent Tiering for CXL-Enabled Memory

CXL-enabled memory expands server memory capacity, but introduces a page-placement problem: the operating system must decide which pages should reside in DRAM and which should reside on slower CXL memory. Existing systems make this tradeoff in one of two ways. Userspace controllers support flexible policies, but expose...

Sriranga Ramaswamy, Yue-Qi Chen · 0 citations