Compute Express Link™ (CXL™): Enabling an interoperable ecosystem for heterogeneous memory and computing solutions


CXL, an open industry standard interconnect, addresses the growing high-performance computational workloads to support heterogeneous processing and memory systems with applications in Artificial Intelligence, Machine Learning, Analytics, Cloud Infrastructure, Cloudification of the Network and Edge, communication systems, and High-Performance Computing by enabling coherency and memory semantics on top of PCI Express® (PCIe®) based I/O semantics to optimize performance in evolving usage models. The CXL Consortium released the CXL 3.0 specification in August 2022 to increase scalability and optimize system level flows with expanded fabric capabilities and management, improved memory sharing and pooling, enhanced coherency, and peer-to-peer communication. This presentation will provide insights into new features of the CXL 3.0 specification and introduce updates in the specification.

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