Any Way to Better Distribute Use of Multiple CPU Cores?

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King Conga
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2015/06/10 21:36:41 (permalink)

Any Way to Better Distribute Use of Multiple CPU Cores?

I've posted on AMD's forum about this issue, but I'm just checking here for good measure if there's any kind of remedy in Sonar. I've got SampleTank 3, and MDrummer L plugins.  I'm using them as VST2 because it seems VST3 takes up even more CPU power than VST2.  Specifically, when I look at Sonar's CPU meter, the 1st core of 6, running at 3.8MHz seems to be using 3X's what any of the other cores are, thus forcing me to bump up my latency, but even then core 1 is using WAAY more than I think it should.  So, other than boosting the latency, (which ain't helping much) is there any way in Sonar to better distribute that effort amongst the other cores?  I realize core 1 handles all of the Win7 OS tasks, but that shouldn't cause this much problem.  I'm not a real geek, as far as CPU's go, just enough to make sure I don't blow my MOBO up, so please be kind in your tech speak.
Tanks,
KC

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    tenfoot
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    Re: Any Way to Better Distribute Use of Multiple CPU Cores? 2015/06/10 22:01:51 (permalink)
    There are many other threads on this topic. Have you disabled core parking? If you google there are various utilities/methods to do this.

    Bruce.
     
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    John T
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    Re: Any Way to Better Distribute Use of Multiple CPU Cores? 2015/06/10 22:06:48 (permalink)
    The first core is generally busier than the others for a fairly simple reason: Windows itself doesn't multi-thread all that well. And lots of plugins and instruments don't either. Sonar itself is conspicuously well-coded in this regard. But as an end user, there's not a whole lot you can do about it.

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    Doktor Avalanche
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    Re: Any Way to Better Distribute Use of Multiple CPU Cores? 2015/06/10 22:15:07 (permalink)
    > Any Way to Better Distribute Use of Multiple CPU Cores?
     
    Yup. Turn off Intel speed step (AMD equivalent is power now?)  and/or Windows core parking.
    post edited by Doktor Avalanche - 2015/06/10 22:21:50

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    Doktor Avalanche
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    Re: Any Way to Better Distribute Use of Multiple CPU Cores? 2015/06/10 22:26:47 (permalink)
    Similar thread to read here:
    http://forum.cakewalk.com/x99-i75930k-sonar-platinum-thread-balance-m3234101.aspx
     

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    arachnaut
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    Re: Any Way to Better Distribute Use of Multiple CPU Cores? 2015/06/10 23:35:42 (permalink)
    Upgrade to Windows 8.1.

    - Jim Hurley -
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    Doktor Avalanche
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    Re: Any Way to Better Distribute Use of Multiple CPU Cores? 2015/06/11 00:18:07 (permalink)
    Or windows 10 if stable enough. I agree 8.1 is better at handling core distribution then 7. Hopefully 10 will be better than 8.1.

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    arachnaut
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    Re: Any Way to Better Distribute Use of Multiple CPU Cores? 2015/06/11 02:22:02 (permalink)
    Yes, wait and get Win 10 for free.
    As an example, here is a project running (in Win8.0 or 8.1, I forget when it was)  8 Maschine 2 instances I made while doing Maschine 2 Beta tests.
    You can see that the cores are well-balanced. Win7 did not behave like that.
    Core 0 has to process all the interrupts and Maschine 2 generates lots of them, but still things look good.
    From early adopters, it appears Windows 10 will be even better at audio handling.

    post edited by arachnaut - 2015/06/11 02:32:21

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    tomixornot
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    Re: Any Way to Better Distribute Use of Multiple CPU Cores? 2015/06/11 07:06:16 (permalink)
    You've probably have know this already, but I'll mentioned it anyway, at Sonar Preference, Audio, Playback and Recording, there is a check box for "Use Multiprocessing Engine" to make sure it's checked.
     
    Then at Configuration File
    look for Thread Scheduling Model, with setting of 2.

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    BassDaddy
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    Re: Any Way to Better Distribute Use of Multiple CPU Cores? 2015/06/11 10:35:24 (permalink)
    Google the subject and learn as much as you can about it. It is something you need know. I would love to see someone come out with a tutorial video on "Things you need to know about computers to use your DAW". I would buy it. And arachnaut, thanks for the reminder about the Windows 7 to 8 move. There was  a lot of talk about how W8 would be better for audio production. If Windows 10 is another step up that would be great. 

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    joel77
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    Re: Any Way to Better Distribute Use of Multiple CPU Cores? 2015/06/11 11:39:17 (permalink)
    Good thread! I'm going to do some research. And YES, if someone made a video of computer how to's for audio, I'd buy it and any updates that follow. For those of us who don't go into the dark depths of our DAW computers, something like this would be invaluable.
     

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    Vastman
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    Re: Any Way to Better Distribute Use of Multiple CPU Cores? 2015/06/11 13:20:53 (permalink)
    Hey, Jim... that balanced load looks very sexy...amazing!   my win7 system load sharing just sucks... upgrade to 10 is now a high priority for me.  This hasn't really been a performance problem until now... my  i7-4930 was robust enough, although Diva sometimes causes hiccups.   But with some recent additions, like Infinity it's becoming much easier to overload the first core and bring things to a halt.  Your graph is great news... a likely reprieve till intel gets around to more cores...someday... 
    post edited by Vastman - 2015/06/11 13:27:00

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    kitekrazy1
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    Re: Any Way to Better Distribute Use of Multiple CPU Cores? 2015/06/11 14:38:03 (permalink)
    Doktor Avalanche
    > Any Way to Better Distribute Use of Multiple CPU Cores?
     
    Yup. Turn off Intel speed step (AMD equivalent is power now?)  and/or Windows core parking.




     Is that what it is?  I upgraded an AMD system that has the UEFI Bios. There's a lot more in that then Core2/AM3 boards.
    #13
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