Has anyone tried a NUMA aware OS?

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UnderTow
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2006/03/24 19:43:33 (permalink)

Has anyone tried a NUMA aware OS?


Hi there,

I have just finished building my new DAW based on a dual processor Tyan board with two Opteron processors. I was wondering if anyone with a similar setup (dual memory controlers) has tried running Windows 2003 server R2 or other NUMA OS to see if it increase performance or not.

Cheers,

UnderTow
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    jcschild
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    RE: Has anyone tried a NUMA aware OS? 2006/03/24 20:02:06 (permalink)
    Hi,
    windows XP Pro SP2 supports Numa.

    tyan 2885/95
    non numa memory benchies is Sisoft about 5500
    Numa on 11,000.

    pretty sweet

    Scott
    ADK
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    UnderTow
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    RE: Has anyone tried a NUMA aware OS? 2006/03/24 20:29:11 (permalink)
    ORIGINAL: jcschild

    Hi,
    windows XP Pro SP2 supports Numa.


    Oh really? Thats good to know. (That is what I am running). Is there anything special I need to do to activate it or is it on by default?


    tyan 2885/95
    non numa memory benchies is Sisoft about 5500
    Numa on 11,000.

    pretty sweet

    Scott
    ADK


    Indeed but do you have any idea how this impacts audio performance or more specificaly, Sonar performance?

    Cheers,

    UnderTow
    #3
    jcschild
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    RE: Has anyone tried a NUMA aware OS? 2006/03/24 21:12:32 (permalink)
    HI,

    you have to set it in the bios.(read manual)

    as to how it impacts sonar. it improves overall stability
    gives more overhead for plugins and VSTi.
    since Sonar is written on windows code and heavily embeded into windows it probably takes better advatage than others

    Scott
    ADK
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    UnderTow
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    RE: Has anyone tried a NUMA aware OS? 2006/03/24 21:29:02 (permalink)

    Ok, thanks for the info Scott!

    UnderTow
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    anton harris
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    RE: Has anyone tried a NUMA aware OS? 2006/03/24 22:09:01 (permalink)
    NUMA OS
    Enlighten me.......What is numa??,Best,Antz

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    UnderTow
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    RE: Has anyone tried a NUMA aware OS? 2006/03/25 11:49:59 (permalink)
    Non Uniform Memory Access. What it means is if you have more than one memory controller (like with some dual Opteron systems) each CPU can access both memory controllers at the same time. This increases the maximum memory bandwidth of your system.

    UnderTow
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    anton harris
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    RE: Has anyone tried a NUMA aware OS? 2006/03/25 15:29:52 (permalink)
    Thanks mate,Antz.Just a question...my rig dual-channel memory on the m/b is this the same??

    A computer,
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