NUMA

CXL Memory NUMA Node Mapping with Sub-NUMA Clustering (SNC) on Linux

CXL Memory NUMA Node Mapping with Sub-NUMA Clustering (SNC) on Linux

CXL (Compute Express Link) memory devices are revolutionizing server architectures, but they also introduce new NUMA complexity, especially when advanced memory configurations, such as Sub-NUMA Clustering (SNC), are enabled.

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Unlock Your CXL Memory: How to Switch from NUMA (System-RAM) to Direct Access (DAX) Mode

Unlock Your CXL Memory: How to Switch from NUMA (System-RAM) to Direct Access (DAX) Mode

As a Linux System Administrator working with Compute Express Link (CXL) memory devices, you should be aware that as of Linux Kernel 6.

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Linux NUMA Distances Explained

Linux NUMA Distances Explained

TL;DR: The memory latency distances between a node and itself is normalized to 10 (1.

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