Sapphire Rapids: The Next-Generation Intel Xeon Scalable Processor

📋 论文概要

本文介绍了英特尔下一代至强可扩展处理器Sapphire Rapids，通过增加核心数、超过100MB共享L3缓存、支持DDR5内存和PCIe/CXL/UPI高速互连，提升了服务器处理器的性能和可扩展性。该处理器旨在满足数据中心对高计算密度和内存带宽的需求。

💡 主要创新点

• 采用更高核心数和超过100MB共享L3缓存，提升多线程处理能力。
• 集成8个DDR5内存通道和32GT/s PCIe/CXL/16GT/s UPI互连，大幅提高内存和I/O带宽。

🏷 关键词

📄 原文摘要

Sitaraman V. Iyer2, Zibing Yang1, Oscar Mendoza1, Mark Huddart1, Srikrishnan Venkataraman3, Sireesha Kandula1, Rafi Marom4, Alexandra M. Kern1, Bill Bowhill1, David R. Mulvihill5, Srikanth Nimmagadda3, Varma Kalidindi1, Jonathan Krause1, Mohammad M. Haq1, Roopali Sharma1, Kevin Duda5 Intel, Hudson, MA; 2Intel, Santa Clara, CA; 3Intel, Bangalore, India; 4Intel, Haifa, Israel Intel, Fort Collins, CO 1 5 Sapphire Rapids (SPR) is the next-generation Xeon® Processor with increased core count, greater than 100MB shared L3 cache, 8 DDR5 channels, 32GT/s PCIe/CXL lanes, 16GT/s UPI lanes and integrated accelerators supporting cryptography, compression and data streaming. The processor is made up of 4 die (Fig. 2.2.7) manufactured on Intel 7 process technology which features dual-poly-pitch SuperFin (SF) transistors with performance enhancements beyond 10SF, >25% additional MIM density over SuperMIM

👥 作者与机构

Nevine Nassif1, Ashley O. Munch1, Carleton L. Molnar1, Gerald Pasdast2,