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Ubuntu 24.04 LTS Leaning Toward Low-Latency Kernel Optimizations By Default

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  • #1

    Ubuntu 24.04 LTS Leaning Toward Low-Latency Kernel Optimizations By Default

    Phoronix: Ubuntu 24.04 LTS Leaning Toward Low-Latency Kernel Optimizations By Default

    Last month it was noted on Phoronix that Canonical's kernel team is looking at folding their low-latency kernel optimizations into their generic kernel builds. Right now Ubuntu maintains a separate "lowlatency" kernel flavor with Kconfig tweaks in the name of low-latency responsiveness as an alternative to their "generic" kernel default, but for Ubuntu 24.04 LTS it continues looking like they'll move forward with this change of incorporating the changes into their default kernel build...

    Ubuntu 24.04 LTS Leaning Toward Low-Latency Kernel Optimizations By Default - Phoronix
    https://www.phoronix.com/news/Ubuntu-2404-Low-Latency-Generic
    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
    Latency is far more important than Throughput for desktop/gaming
    • Likes 9

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    • #3
      24.04 looks very promising, looking forward for it.
      • Likes 8

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      • #4
        Originally posted by Kjell View Post
        Latency is far more important than Throughput for desktop/gaming
        Yes, but people will complain when phoronix will show benchmarks where clear linux tops and ubuntu trails or is in the midrange.
        • Likes 7

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        • #5
          Originally posted by Kjell View Post
          Latency is far more important than Throughput for desktop/gaming
          I'm not sure desktop / gaming is relevant with LTS releases, which are usually used for enterprise usages and not Joe Ricer.
          • Likes 6

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          • #6
            I run Ubuntu-derived "desktops" and a few Ubuntu "servers". It seems if I stick with this setup, then I'll have some tweaking ahead of me.
            • Likes 1

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            • #7
              Originally posted by blackshard View Post

              Yes, but people will complain when phoronix will show benchmarks where clear linux tops and ubuntu trails or is in the midrange.
              It will be configurable at boot time.
              • Likes 3

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              • #8
                Originally posted by reba View Post
                I'm not sure desktop / gaming is relevant with LTS releases, which are usually used for enterprise usages and not Joe Ricer.
                You don't necessary have to be enterprise user to enjoy LTS benefits.
                • Likes 19

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                • #9
                  Originally posted by reba View Post

                  I'm not sure desktop / gaming is relevant with LTS releases, which are usually used for enterprise usages and not Joe Ricer.
                  Latency is very important for audio production, where an LTS release would absolutely make sense. Also, keep in mind just how many distros are derived from Ubuntu LTS.
                  • Likes 10

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                  • #10
                    Originally posted by QwertyChouskie View Post

                    Latency is very important for audio production, where an LTS release would absolutely make sense. Also, keep in mind just how many distros are derived from Ubuntu LTS.
                    Unfortunately, RT patchset is currently needed, for scheduling latency acceptable to audio (peaks <1ms w/rt, .over 20ms without).
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