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QEMU 1.3 Is Packing Interesting Features

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  • QEMU 1.3 Is Packing Interesting Features

    Phoronix: QEMU 1.3 Is Packing Interesting Features

    Released on Monday was the "RC0" development version of QEMU 1.3 for the open-source processor emulator commonly used with the Linux KVM virtualization stack...

    http://www.phoronix.com/vr.php?view=MTIzMjA

  • #2
    Faster?

    I hope it is faster...

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    • #3
      QEMU... what a beast of software!

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      • #4
        Can't compete with Virtualbox

        All those features are great, but it can't compete with Virtualbox in the most important thing: emulation speed.

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        • #5
          Originally posted by wargames View Post
          All those features are great, but it can't compete with Virtualbox in the most important thing: emulation speed.
          That would be because Virtualbox is not an emulator :P it is a virtualizer. That said QEMU also is just as fast if you have KVM (again virtualization) enabled ... the performance hit is quite minimal.

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          • #6
            Huh? In every benchmark here on Phoronix, virtualbox has lost to KVM handily.

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            • #7
              Originally posted by curaga View Post
              Huh? In every benchmark here on Phoronix, virtualbox has lost to KVM handily.
              If you are talking about I/O tests, maybe. But I'm talking about user interface latency and graphic capabilities.

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              • #8
                Originally posted by wargames View Post
                All those features are great, but it can't compete with Virtualbox in the most important thing: emulation speed.
                Actually, unless you're talking about graphical performance (lvmpipe only on qemu-kvm) - you couldn't be more wrong.
                Thus far Vbox CPU and IO performance are sub-par at best, placing it in a distant third after qemu-kvm and qemu-xen.

                - Gilboa
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                LAP: ASUS N56VJ, i7-3630QM, 16GB, 1TB, 635M, F21/x86_64.

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                • #9
                  My feature request for QEMU honstly is NPTL support for x86 and x86_64 for the user space emulators...
                  It's been missing for a long time it appears, and many programs don't work...

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                  • #10
                    placing it in a distant third after qemu-kvm and qemu-xen.
                    Last edited by woodsmary; 11-21-2012, 02:52 AM.

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