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Linux 5.20 With AMD Zen Will Prefer MWAIT Over HALT As An HPC Optimization

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  • #1

    Linux 5.20 With AMD Zen Will Prefer MWAIT Over HALT As An HPC Optimization

    Phoronix: Linux 5.20 With AMD Zen Will Prefer MWAIT Over HALT As An HPC Optimization

    Earlier this year was an AMD Linux patch to prefer using MWAIT rather than HALT for cases where the CPU idle driver isn't being used. Using MWAIT can lead to significant improvements for the exit latency and now for the Linux 5.20 cycle later this year that change is expected to land...

    Linux 5.20 With AMD Zen Will Prefer MWAIT Over HALT As An HPC Optimization - Phoronix
    https://www.phoronix.com/scan.php?page=news_item&px=Linux-5.20-AMD-MWAIT
    Phoronix, Linux Hardware Reviews, Linux hardware benchmarks, Linux server benchmarks, Linux benchmarking, Desktop Linux, Linux performance, Open Source graphics, Linux How To, Ubuntu benchmarks, Ubuntu hardware, Phoronix Test Suite
    Tags: None
    • Likes 1
  • #2
    I'm amazed that so many generic optimizations can still be had on AMD CPUs.
    Bodes for even better AMD performance. Win!
    • Likes 2

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    • #3
      It will help ? im on HP and they disabled CPPC cant load amd cpu driver , only acpci driver . Zen2

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