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  • #51
    Originally posted by Kano View Post
    @some-guy

    Do you use a stop watch or bootchart?
    I have only measured suse with bootchart, which boots in 27 seconds, my setup is different from standard (no splash, 2.6.30 kernel, certain services disabled).

    Ubuntu seems like it boots faster than suse, and suse is faster than fedora.

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    • #52
      Originally posted by some-guy View Post
      I have only measured suse with bootchart, which boots in 27 seconds, my setup is different from standard (no splash, 2.6.30 kernel, certain services disabled).

      Ubuntu seems like it boots faster than suse, and suse is faster than fedora.

      You can also further improve performance by tweaking the mount options such as noatime and nodiratime.

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      • #53
        Ok I have some VirtualBox stats to share. Bytes read until the desktop becomes usable (all icons appear, disk stops grinding and you can launch applications), sorted from least to most:

        Arch amd64: 102MB
        Ubuntu 9.04 amd64: 145MB
        Fedora 11: 220MB
        openSUSE 11.0 amd64: 280MB
        Windows 7RC1 amd64: 305MB (but continues to climb due to prefetch)

        Fedora and openSUSE are vanilla Gnome desktops with all updates applied. Arch and Ubuntu are also vanilla Gnomes, with Gnome Do set to autolaunch (which initializes the Mono runtime, hence more bytes read).

        What does this tell us? There is a direct correspondence between boot speed and bytes read. Arch initiliazes the least services and reads the least bytes during boot - it is also the fastest. Ubuntu is a close second with the rest trailing far behind.

        If you have a few GBs to spare, you can reproduce the results with VirtualBox 3.0.4. Use File->Session Information Dialog to read the results.

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        • #54
          Originally posted by BlackStar View Post
          Ok I have some VirtualBox stats to share. Bytes read until the desktop becomes usable (all icons appear, disk stops grinding and you can launch applications), sorted from least to most:

          Arch amd64: 102MB
          Ubuntu 9.04 amd64: 145MB
          Fedora 11: 220MB
          openSUSE 11.0 amd64: 280MB
          Windows 7RC1 amd64: 305MB (but continues to climb due to prefetch)

          Fedora and openSUSE are vanilla Gnome desktops with all updates applied. Arch and Ubuntu are also vanilla Gnomes, with Gnome Do set to autolaunch (which initializes the Mono runtime, hence more bytes read).

          What does this tell us? There is a direct correspondence between boot speed and bytes read. Arch initiliazes the least services and reads the least bytes during boot - it is also the fastest. Ubuntu is a close second with the rest trailing far behind.

          If you have a few GBs to spare, you can reproduce the results with VirtualBox 3.0.4. Use File->Session Information Dialog to read the results.
          Very nice, thanks for sharing those results.

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          • #55
            @some-guy

            For bootchart thats slow, but i prefer booting real hardware:

            http://kanotix.com/files/fix/bootchart/

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            • #56
              Originally posted by BlackStar View Post
              Ok I have some VirtualBox stats to share. Bytes read until the desktop becomes usable (all icons appear, disk stops grinding and you can launch applications), sorted from least to most:

              Arch amd64: 102MB
              Ubuntu 9.04 amd64: 145MB
              Fedora 11: 220MB
              openSUSE 11.0 amd64: 280MB
              Windows 7RC1 amd64: 305MB (but continues to climb due to prefetch)

              Fedora and openSUSE are vanilla Gnome desktops with all updates applied. Arch and Ubuntu are also vanilla Gnomes, with Gnome Do set to autolaunch (which initializes the Mono runtime, hence more bytes read).

              What does this tell us? There is a direct correspondence between boot speed and bytes read. Arch initiliazes the least services and reads the least bytes during boot - it is also the fastest. Ubuntu is a close second with the rest trailing far behind.

              If you have a few GBs to spare, you can reproduce the results with VirtualBox 3.0.4. Use File->Session Information Dialog to read the results.
              Tells me that you can easily improve your performance with openSUSE by looking at your YaST-->System--->System Services.

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