This past weekend, I tested the Linux 6.19 development kernel on several systems. Despite some scheduler issues, I noticed promising results with an AMD EPYC 9965 2P server setup.
Using this server, which combines 384 cores and 768 threads from two AMD EPYC 9655 processors, I compared benchmarks between Linux 6.18 stable and Linux 6.19 Git, dated December 12. I kept the kernel settings consistent, except for the new default options in Linux 6.19. The processors were installed on an AMD Volcano reference platform.
All software and hardware remained unchanged during the tests, except for the kernel version. The operating system was based on Ubuntu 25.10 defaults.
I ran various benchmarks to assess the performance of the AMD EPYC 9965 2P server under real-world Linux workloads. More tests on different hardware and workloads will follow in the coming weeks. Linux 6.19-rc1 has just been released and is paving the way for a stable version expected in early February.
Interestingly, a recent survey by the Linux Foundation revealed that adoption rates for new Linux kernels have steadily increased, with users eager to test the latest features. This reflects how crucial performance improvements and new functionalities are for tech communities. With Linux 6.19 on the horizon, many users are looking forward to enhancements that promise better efficiency and speed, especially for data-intensive tasks.
As we await the stable release, it’s essential to keep an eye on user feedback and trends on platforms like forums and social media. Users are discussing everything from performance spikes to potential weaknesses in the new kernel. These conversations often highlight areas where developers can focus their attention to optimize future releases.
For more detailed information, you can check out the official benchmarks and comparisons on trusted sites like Phoronix.
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