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Linux 6.3 To Squeeze A Bit More Performance Out Of AMD Zen 4 CPUs

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  • Linux 6.3 To Squeeze A Bit More Performance Out Of AMD Zen 4 CPUs

    Phoronix: Linux 6.3 To Squeeze A Bit More Performance Out Of AMD Zen 4 CPUs

    As I wrote about earlier this week, Linux 6.3 is positioned to support AMD Zen 4's Automatic IBRS feature. AMD's Linux enablement code around Automatic IBRS has been undergoing review the past few months and now via TIP's x96/cpu Git branch is to be sent in next month for the Linux 6.3 merge window. I've run some preliminary benchmarks of the Automatic IBRS support on Zen 4 and it's looking positive for further enhancing the performance of AMD's new Ryzen 7000 series and EPYC 9004 series processors.

    https://www.phoronix.com/review/amd-auto-ibrs

  • #2
    I really hate the fact that AMD is so glacially slow with supporting their CPUs on linux. GPUs are typically pretty good, but having advertised features not be enabled on the linux destop is truly terrible. Get yourself together AMD. Everything else has been pretty good.

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    • #3
      Typo:

      Originally posted by phoronix View Post
      indeed the Ryzen 9 7950X defaulted to the Automatic IBRS mitigation for Specte V2 mitigation compared to the current Retpoline approach.

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