CXL (Compute Express Link) Technology

CXL (Compute Express Link) technology is a relatively new high-speed interconnect standard that was developed to enable faster communication between CPUs, GPUs, and other high-performance components in data center systems. This paper aims provide comprehensive technical overview of technology, including its features, advantages, potential applications the modern environment. Technology Research: based on Peripheral Component Interconnect (PCIe) extensions. 1.0 switch-based architecture operates PCIe Gen5 electrical signaling, achieving speeds up 32 Giga transfers per second (GT/s) lane. provides hardware-based support for cache coherency memory semantics. consists three main components: 1) Devices: Devices are compatible with interface can include processors, accelerators such as Graphics Processing Units (GPUs), Smart Storage Devices; 2) Switch: The switch enables devices CXL. be external or embedded, allowing more complex topologies; 3) Memory: protocol efficient sharing System memory.