Compute Express Link (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 utilizes the PCIe® 5.0 physical layer infrastructure and the PCIe alternate protocol to address the demanding needs of high-performance computational workloads in Artificial Intelligence, Machine Learning, communication systems, and HPC through the enablement of coherency and memory semantics across heterogeneous processing and memory systems.​