CXL

Linux Kernel 6.9 is Released: This is What's New for Compute Express Link (CXL)

Linux Kernel 6.9 is Released: This is What's New for Compute Express Link (CXL)

The Linux Kernel 6.9 release brings several improvements and additions related to Compute Express Link (CXL) technology.

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Using Linux Kernel Tiering with Compute Express Link (CXL) Memory

Using Linux Kernel Tiering with Compute Express Link (CXL) Memory

In this blog post, we will walk through the process of enabling the Linux Kernel Transparent Page Placement (TPP) feature with CXL memory mapped as NUMA nodes using the system-ram namespace.

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Understanding Compute Express Link (CXL) and Its Alignment with the PCIe Specifications

Understanding Compute Express Link (CXL) and Its Alignment with the PCIe Specifications

How CXL Uses PCIe Electricals and Transport Layers CXL utilizes the PCIe infrastructure, starting with the PCIe 5.

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

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

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

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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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How To Emulate CXL Devices using KVM and QEMU

How To Emulate CXL Devices using KVM and QEMU

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 for high-performance data center computers.

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