SNIA CMSS23 - CXL™ 3.0: Expanded Capabilities for Increasing Scale &Optimizing Resource Utilization

Compute Express Link™ (CXL™) is an open industry standard interconnect offering coherency and memory semantics using high-bandwidth, low-latency connectivity between the host process and devices such as accelerators, memory buffers, and smart I/O devices. CXL technology is designed to support the growing high-performance computational workloads by supporting heterogeneous processing and memory systems for applications in Artificial Intelligence (AI), Machine Learning (ML), Analytics, Cloud Infrastructure, and Cloudification of Network and Edge.

CXL 3.0 doubles the transfer rate to 64GT/s with no additional latency over previous generations and introduces fabric capabilities and management, improved memory sharing and memory pooling, enhanced coherency, and peer-to-peer communication.

This presentation will explore the new features in the CXL 3.0 specification, highlight the enhancements to memory pooling to optimize server performance, and introduce the concept of memory sharing to enable clusters of machines to solve large problems through shared memory constructs.

Presented by Andy Rudoff, Intel

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