[PD] pd and multi-core processors

cyrille henry ch at chnry.net
Mon Apr 5 16:24:31 CEST 2010



tim vets a écrit :
> 
> 
>     tim vets a écrit :
> 
>         has anyone been using pd~ successfully ?
> 
>     yes
> 
>         I am trying it out, but i get very poor results.
>         It seems like a patch loaded with pd~ is a lot heavier than the
>         same loaded as a regular abstraction (DIO errors, see also my
>         message "pd~ and DIO errors").
>         I assumed it would run on another processor core...but does it?
> 
>     if your OS can deal with multiple CPU, then it should run the pd and
>     pd~ process on 2 different core.
> 
> 
> Ok, I have no idea id ubuntu-studio Hardy supports it...
yes, linux does suport multiple processor
system / administration / system monitor
you should see both processor used.

c

>  
> 
> 
>         Is there a way to check this?
> 
>     depend on your OS.
> 
> 
> ubuntu

> 
> gr,
> Tim
> 
>  
> 
>     cyrille
> 
>         thanks!
> 
> 
>         2010/4/5 Jaime Oliver <jaime.oliver2 at gmail.com
>         <mailto:jaime.oliver2 at gmail.com> <mailto:jaime.oliver2 at gmail.com
>         <mailto:jaime.oliver2 at gmail.com>>>
> 
> 
>            hey vedran,
>            pd~ is a way of opening another instance of pd from within a
>         patch.
> 
>            ideally you want gem and sound on separate instances
>         (connected via
>            udp, pd~ or some other way). each of these processes will use one
>            processor.
> 
>            nicely enough, pd's graphical interface and the actual
>         process, are
>            separate threads, so you (or more precisely your OS) might
>         have them
>            in separate processors if needed.
> 
>            for sound, you can create objects in faust and make multithreaded
>            audio externals.
> 
>            other than that, the processes in a patch are single threaded.
> 
>            J
> 
> 
> 
>            On Mon, Apr 5, 2010 at 2:59 AM, vedran
>         <vedran.kolac at gmail.com <mailto:vedran.kolac at gmail.com>
>            <mailto:vedran.kolac at gmail.com
>         <mailto:vedran.kolac at gmail.com>>> wrote:
> 
>                Hi!
>                can someone tell me if one instance of pd (with gem) can use
>                more than one core on multi-core processor?
> 
> 
> 
> 
>                .....................................................
>                vedran kolac
>                .....................................................
>                gTalk - vedran.kolac at gmail.com
>         <mailto:vedran.kolac at gmail.com> <mailto:vedran.kolac at gmail.com
>         <mailto:vedran.kolac at gmail.com>>
> 
>                .....................................................
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> 
> 
>            --     Jaime E Oliver LR
> 
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