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Linux 6.15 Delivering Some Performance Gains On AMD EPYC For AI, HPC & Databases
The Linux 6.15 kernel cycle started off a bit rough with a heavy hitting performance regression spotted and then fixed but to only then discover another Linux 6.15 performance regression affecting modern AMD CPUs.
Using an AMD EPYC 9755 2P server with AMD's Volcano reference server platform, I carried out a fresh round of benchmarking on Ubuntu 25.04 to see how the performance changes going from Linux 6.14 to Linux 6.15 stable. No other hardware or software changes were made besides upgrading to the recently released Linux 6.15 kernel. Page 1 - IntroductionPage 2 - AI + HPC BenchmarksPage 3 - Video Encoding + Database BenchmarksPage 4 - Database Benchmarks + Context Switching + Scheduler Improvements
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