this post was submitted on 09 Dec 2025
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Scheduler Woes: Bisecting Early Performance Regressions Found In Linux 6.19 (www.phoronix.com)
submitted 2 days ago by cm0002@ttrpg.network to c/linux@programming.dev
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Yesterday I noted some early performance regressions I've found on the Linux 6.19 kernel compared to Linux 6.18 LTS stable. Those initial benchmarks were on an AMD EPYC server. Since then I've seen many of the same workloads regressing similarly on an AMD Ryzen Threadripper workstation between Linux 6.18 and Linux 6.19 Git. Given the significant impact and AMD Threadripper processors always helping out to speed-up Linux kernel build times to make for a quicker and more manageable kernel bisecting experience, here is a look at some of the results for the Linux 6.19 performance regressions.

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