Category: CXL

How To Map a CXL Endpoint to a CPU Socket in Linux

Steve Scargall December 27, 2022 No Comments

When working with CXL Type 3 Memory Expander endpoints, it’s nice to know which CPU Socket owns the root complex

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Linux NUMA Distances Explained

Steve Scargall November 3, 2022 No Comments

TL;DR: The memory latency distances between a node and itself is normalized to 10 (1.0x). Every other distance is scaled

How To Emulate CXL Devices using KVM and QEMU

Steve Scargall January 20, 2022 No Comments

What is CXL? Compute Express Link (CXL) is an open standard for high-speed central processing unit-to-device and CPU-to-memory connections, designed