Linux vs. Lightweight Multi-kernels for High Performance Computing: Experiences at Pre-Exascale - Gerofi, Balazs; Tarumizu, Kohei; Zhang, Lei; Okamoto, Takayuki; Takagi, Masamichi; Sumimoto, Shinji; Ishikawa, Yutaka (SC21: International Conference for High Performance Computing, Networking, Storage and Analysis, High Performance Computing, Networking, Storage and Analysis, SC21: International Conference for, 2021)