2020年3月3日 · Let’s explore the types of CXL devices and the verification challenges that are unique to CXL, like maintaining the cache coherency between a host CPU and an accelerator. …

2022年6月15日 · CXL 1.1 enables device-level memory expansion and coherent acceleration modes. CXL 2.0 augments CXL 1.1 with enhanced fanout support and a variety of additional …

2024年3月15日 · 文章详细介绍了CXL协议支持的三种设备类型，包括Type1（如网卡）的完全一致性缓存，Type2（如GPU）的额外内存连接，以及Type3（如内存缓冲器）的内存扩展。 着 …

2024年1月23日 · Type 1 Devices: Accelerators such as smart NICs typically lack local memory. Via CXL, these devices can communicate with the host processor’s DDR memory.

•Full backward compatibility with CXL 2.0, CXL 1.1, and CXL 1.0 CXL 3.0 is a huge step function with fabric capabilities while maintaining full backward compatibility with prior generations

2021年5月21日 · The CXL folks use Type 1 (CXL.io + CXL.cache), Type 2 (all three), and Type 3 (CXL.io + CXL.mem) as examples. CXL 1.0 And 1.1 Usages. Type 1 one can think of as an …

Industry's first FPGA-based hardened CXL IP solution for Type 1, 2, and 3 devices. First FPGA to pass CXL Consortium Compliance Program (up to 32 GT/s speed) (see Integrators List - …

2022年10月11日 · The Compute Express Link Consortium refers to the first as a Type 1 device, consisting of accelerators without host CPU memory. This type of device uses the CXL.io …

2022年6月1日 · In short, gate savings can be had with Type 1 devices not needing CXL.mem, and Type 3 devices offer gate savings and increased performance because they don't have to …

CXL is a cache-coherent open interconnect standard for high-speed CPU connection to memory and other devices. Compute Express Link leverages the standard PCIe® physical layer and …