Compute Express Link (CXL) is an innovative high-speed interconnect standard, facilitating seamless communication among CPUs, GPUs, and memory, vital for modern data centers and AI applications. Designed to reduce latency while improving data processing efficiency, CXL integrates multiple protocols like CXL.io, CXL.cache, and CXL.memory, ensuring data coherency between high-performance processors and accelerators.
CXL is built atop the PCIe physical layer, maintaining compatibility and leveraging advanced signaling techniques. This adaptability allows for higher bandwidth and lower latency, crucial for the high-demand workflows in AI and Machine Learning.
The CXL standard permits direct memory access across devices, fostering efficient sharing and expanding the potential for scalable computing infrastructures. It supports both conventional data processing and emerging applications that demand intensive parallel computing.
By revolutionizing data center architectures, CXL paves the way for cutting-edge, high-speed data processing capabilities, optimizing performance for complex computing environments and next-gen applications.