In this work, we evaluate true CXL-ready systems based on the latest 4th-generation Intel Xeon CPU with three CXL memory devices from different manufacturers, which divulges important differences between emulated and true CXL memory devices. Based on these observations, we propose a CXL-memory-aware dynamic page allocation policy, Caption, to use CXL memory more efficiently.
Yan Sun, Yifan Yuan, Zeduo Yu, Reese Kuper, Chihun Song, Jinghan Huang, Houxiang Ji, Siddharth Agarwal, Jiaqi Lou, Ipoom Jeong, Ren Wang, Jung Ho Ahn, Tianyin Xu, Nam Sung Kim