Compute Express Link® (CXL®) is an industry-supported Cache-Coherent Interconnect for Processors, Memory Expansion and Accelerators. CXL technology maintains memory coherency between the CPU memory space and memory on attached devices, which allows resource sharing for higher performance, reduced software stack complexity, and lower overall ...

CXL 3.2 Specification Now Available Learn more about the enhancements in security, compliance, and functionality of CXL Memory Device included in the specification. View the Press Release

The CXL fabric can support up to 4096 nodes that can communicate with each other using a new scalable addressing mechanism called Port Based Routing (PBR). Here, a node can be a CPU Host, a CXL accelerator with or without memory, a PCIe device or a Global Fabric Attached Memory (GFAM) device.

CXL Delivers the Right Features & Architecture 4/16/2021 Copyright | CXL™Consortium 2021 CXL An open industry-supported cache-coherent interconnect for processors, memory expansion and accelerators Coherent Interface Leverages PCIe with 3 mix-and-match protocols Low Latency.Cache and .Memory targeted at near CPU cache coherent latency

•New breakthrough high-speed CPU-to-Device interconnect •Enables a high-speed, efficient interconnect between the CPU and platform enhancements and workload accelerators •Builds upon PCI Express® infrastructure, leveraging the PCIe® 5.0 physical and electrical interface

CXL 2.0 enhances the CXL 1.1 experience by introducing three major areas: CXL Switch, support for persistent memory, and security. One of new CXL 2.0 features is the support for single level switching to enable fan-out to multiple

Sep 23, 2019 · In short, CXL is an open industry standard interconnect offering high-bandwidth, low-latency connectivity between the host processor and devices including accelerators, memory expansion, and smart I/O devices.

• CXL enhances both Generative Artificial Intelligence (Gen AI) and non-Gen AI/ Machine Learning (ML) workloads by providing expanded memory access, crucial for tasks like caching inference of Large Language Models (LLMs). • The CXL market remains nascent, but broad support by “market makers”

Jun 15, 2021 · • CXL 2.0 introduces a standard register interface for managing CXL attached memory devices including PMEM devices • A generic memory device driver simplifies software enabling

Introducing the CXL 3.1 Specification Presented by