_2025-03-24_20：05：05_	2025-03-24 20：05：05
CXL Deep Dive – Future of Composable Server Architecture and Heterogeneous Compute, Products From 20 Firms, Overview of 3.0 St
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TAGs:处理器 CXL
Summary: This text is about the Compute Express Link (CXL) standard, which aims to enable heterogeneous compute and composable server architectures by establishing an industry-standard protocol for connecting various chips together. CXL builds upon the existing PCIe 5.0 infrastructure but adds coherency and low-latency memory transactions. The article discusses the importance of CXL for the datacenter industry and its potential impact on memory pooling and switching. CXL 1.1 supports CXL.io, CXL.cache, and CXL.mem, and versions 2.0 and 3.0 bring additional features like memory sharing and device-to-device communications. Companies like Intel, AMD, Nvidia, and others are expected to release CXL products.本文是关于 Compute Express Link （CXL） 标准的，该标准旨在通过建立用于将各种芯片连接在一起的行业标准协议来实现异构计算和可组合服务器架构。CXL 建立在现有的 PCIe 5.0 基础设施之上，但增加了一致性和低延迟内存事务。本文讨论了 CXL 对数据中心行业的重要性及其对内存池和交换的潜在影响。CXL 1.1 支持 CXL.io、CXL.cache 和 CXL.mem，版本 2.0 和 3.0 带来了内存共享和设备到设备通信等附加功能。预计 Intel、AMD、Nvidia 等公司将发布 CXL 产品。

_2025-03-24_20：03：40_	2025-03-24 20：03：40
CXL 深度解析：可组合服务器与异构计算的未来 - 知乎
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TAGs:处理器 CXL
Summary: This article discusses the future of composable server architecture and heterogeneous compute using the CXL (Compute Express Link) interface. CXL is a standard for high-speed serial communication between processors and memory devices. The article covers the evolution of CXL from version 1 to 3 and the products and strategies of 20 companies in the field, including Intel, AMD, Nvidia, and others. The article emphasizes the importance of understanding the impact of CXL on data centers and the opportunities and challenges it presents for the semiconductor industry. The article also discusses the benefits of CXL for memory sharing and reducing DRAM requirements. The focus is on non-packaged features, with packaging features to be discussed in a separate article on UCIe. The article was originally published by WF Research, a professional research firm specializing in first principles.本文讨论了使用 CXL （Compute Express Link） 接口的可组合服务器架构和异构计算的未来。CXL 是处理器和内存设备之间高速串行通信的标准。本文涵盖了 CXL 从版本 1 到 3 的演变，以及该领域 20 家公司的产品和战略，包括 Intel、AMD、Nvidia 等。本文强调了了解 CXL 对数据中心的影响及其为半导体行业带来的机遇和挑战的重要性。本文还讨论了 CXL 在内存共享和降低 DRAM 需求方面的优势。重点是非打包功能，打包功能将在 UCIe 上的单独文章中讨论。本文最初由 WF Research 发表，这是一家专门研究第一性原理的专业研究公司。