Compute Express Link™ (CXL™): Supporting Persistent Memory

Presented by

Mahesh Natu (Intel) and Thomas Won Ha Choi (SK hynix)

About this talk

Compute Express Link™ (CXL™) is an open industry-standard interconnect offering coherency and memory semantics using high-bandwidth, low-latency connectivity between the host processor and devices such as accelerators, memory buffers, and smart I/O devices. The CXL 2.0 specification introduces support for switching, memory pooling, and persistent memory – all while preserving industry investments by supporting full backward compatibility. An increasing number of applications — ranging from databases to AI workloads — are being enhanced to take advantage of persistent memory. This webinar will explore how the CXL specification has evolved to support persistent memory devices in a way that preserves the established software model. This webinar will cover enhancements to the CXL protocol, error handling, and standardized configuration interface, enabling innovative designs that are based on a variety of non-volatile media and form factors.

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Compute Express Link™ (CXL™) is a new breakthrough high-speed CPU interconnect that enables a high-speed, efficient performance between the CPU and platform enhancements and workload accelerators. Industry leaders Alibaba, Cisco, Dell EMC, Facebook, Google, Hewlett Packard Enterprise, Huawei, Intel Corporation and Microsoft have teamed up to form an open industry standard group to develop technical specifications that facilitate breakthrough performance for emerging usage models while supporting an open ecosystem for data center accelerators and other high-speed enhancements.