[gentoo-user] JACK on a multiprocessor/-core system

[gentoo-user] JACK on a multiprocessor/-core system

[meino.cramer]

Hi,

is it possible to successfully run jackd as provided by
Gentoo/Emerge/Portage on a multicore system
( AMD Phenom(tm) II X6 1090T Processor ) ?

Thank you very much for any help in advance!

Best regards,
mcc

Re: [gentoo-user] JACK on a multiprocessor/-core system

[Mark Knecht]

On Sun, Jan 29, 2012 at 7:16 AM,  <meino.cramer@gmx.de> wrote:
> Hi,
>
> is it possible to successfully run jackd as provided by
> Gentoo/Emerge/Portage on a multicore system
> ( AMD Phenom(tm) II X6 1090T Processor ) ?
>
> Thank you very much for any help in advance!
>
> Best regards,
> mcc
>
>

I've run Jack for years on multiprocessor Gentoo systems. I know of no
reason why that specific processor wouldn't work.

Your best bet for targeted information on this would be the Jack list
itself. Folks like Paul Davis and other audio developers are generally
there and helpful.

HTH,
Mark

Re: [gentoo-user] JACK on a multiprocessor/-core system

[Mark Knecht]

On Sun, Jan 29, 2012 at 7:49 AM, Mark Knecht <markknecht@gmail.com> wrote:
> On Sun, Jan 29, 2012 at 7:16 AM,  <meino.cramer@gmx.de> wrote:
>> Hi,
>>
>> is it possible to successfully run jackd as provided by
>> Gentoo/Emerge/Portage on a multicore system
>> ( AMD Phenom(tm) II X6 1090T Processor ) ?
>>
>> Thank you very much for any help in advance!
>>
>> Best regards,
>> mcc
>>
>>
>
> I've run Jack for years on multiprocessor Gentoo systems. I know of no
> reason why that specific processor wouldn't work.
>
> Your best bet for targeted information on this would be the Jack list
> itself. Folks like Paul Davis and other audio developers are generally
> there and helpful.
>
> HTH,
> Mark

BTW - if you go that direction you will probably want to use the
Gentoo pro-ausio overlay as it tends to have the more recent versions
that the developers want to have you running anyway.

Also, I've seen far more complaints over the years WRT Jack having to
do with the sound card someone is using (countless) vs the actual
processor that a system is biult around. (0, nada, null...)

Re: [gentoo-user] JACK on a multiprocessor/-core system

[Marc Joliet]

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Am Sun, 29 Jan 2012 16:16:08 +0100
schrieb meino.cramer@gmx.de:

> Hi,
> 
> is it possible to successfully run jackd as provided by
> Gentoo/Emerge/Portage on a multicore system
> ( AMD Phenom(tm) II X6 1090T Processor ) ?
> 
> Thank you very much for any help in advance!
> 
> Best regards,
> mcc
> 

Hi,

Mark already answered your question, but if you want JACK to *exploit* your
cores (under certain circumstances), you probably want JACK2 (version 1.9.x),
which is only available in the pro-audio overlay. See also
http://trac.jackaudio.org/wiki/Q_differenc_jack1_jack2 for an explanation of
the differences to JACK1 and http://lac.zkm.de/2005/proceedings.shtml (keyword
"jackdmp") for an explanation of how it works.

HTH
-- 
Marc Joliet
--
"People who think they know everything really annoy those of us who know we
don't" - Bjarne Stroustrup

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[gentoo-user] Re: JACK on a multiprocessor/-core system

[Nikos Chantziaras]

On 01/29/2012 05:16 PM, meino.cramer@gmx.de wrote:
> Hi,
>
> is it possible to successfully run jackd as provided by
> Gentoo/Emerge/Portage on a multicore system
> ( AMD Phenom(tm) II X6 1090T Processor ) ?
>
> Thank you very much for any help in advance!

It runs (of course), but the version in portage is not multi-threaded. 
For that, you will need JACK2, which is able to use more than just one 
CPU. You can find it in the pro-audio overlay. But be aware that if 
you're on a 64-bit Gentoo, the package will break if you have 
emul-linux-x86-soundlibs installed. I posted a bug about it, along with 
a fix, but it was not accepted:

   http://bugs.gentoo.org/show_bug.cgi?id=399071

You can manually delete the offending files.

Re: [gentoo-user] Re: JACK on a multiprocessor/-core system

[Jacques Montier]

Le 29/01/2012 23:27, Nikos Chantziaras a écrit :
> On 01/29/2012 05:16 PM, meino.cramer@gmx.de wrote:
>> Hi,
>>
>> is it possible to successfully run jackd as provided by
>> Gentoo/Emerge/Portage on a multicore system
>> ( AMD Phenom(tm) II X6 1090T Processor ) ?
>>
>> Thank you very much for any help in advance!
>
> It runs (of course), but the version in portage is not multi-threaded.
> For that, you will need JACK2, which is able to use more than just one
> CPU. You can find it in the pro-audio overlay. But be aware that if
> you're on a 64-bit Gentoo, the package will break if you have
> emul-linux-x86-soundlibs installed. I posted a bug about it, along
> with a fix, but it was not accepted:
>
>   http://bugs.gentoo.org/show_bug.cgi?id=399071
>
> You can manually delete the offending files.
>
>
Hi all,

A silly question :
I got pro-audio overlay with layman for using jack2 with my ie7 processor.
I don't see any jack2 reference into the overlay.
Where can i find it ?

Thank you very much,

Best regards,

--
Jacques

Re: [gentoo-user] Re: JACK on a multiprocessor/-core system

[Hinnerk van Bruinehsen]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 30.01.2012 10:57, Jacques Montier wrote:
> Le 29/01/2012 23:27, Nikos Chantziaras a écrit :
>> On 01/29/2012 05:16 PM, meino.cramer@gmx.de wrote:
>>> Hi,
>>> 
>>> is it possible to successfully run jackd as provided by 
>>> Gentoo/Emerge/Portage on a multicore system ( AMD Phenom(tm) II
>>> X6 1090T Processor ) ?
>>> 
>>> Thank you very much for any help in advance!
>> 
>> It runs (of course), but the version in portage is not
>> multi-threaded. For that, you will need JACK2, which is able to
>> use more than just one CPU. You can find it in the pro-audio
>> overlay. But be aware that if you're on a 64-bit Gentoo, the
>> package will break if you have emul-linux-x86-soundlibs
>> installed. I posted a bug about it, along with a fix, but it was
>> not accepted:
>> 
>> http://bugs.gentoo.org/show_bug.cgi?id=399071
>> 
>> You can manually delete the offending files.
>> 
>> 
> Hi all,
> 
> A silly question : I got pro-audio overlay with layman for using
> jack2 with my ie7 processor. I don't see any jack2 reference into
> the overlay. Where can i find it ?
> 
> Thank you very much,
> 
> Best regards,
> 
> -- Jacques
> 
jack2 is referring to the 1.9.x versions of
media-sound/jack-audio-connection-kit. 	
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Re: [gentoo-user] Re: JACK on a multiprocessor/-core system

[Jacques Montier]

Le 30/01/2012 12:14, Hinnerk van Bruinehsen a écrit :
> On 30.01.2012 10:57, Jacques Montier wrote:
> > Le 29/01/2012 23:27, Nikos Chantziaras a écrit :
> >> On 01/29/2012 05:16 PM, meino.cramer@gmx.de wrote:
> >>> Hi,
> >>>
> >>> is it possible to successfully run jackd as provided by
> >>> Gentoo/Emerge/Portage on a multicore system ( AMD Phenom(tm) II
> >>> X6 1090T Processor ) ?
> >>>
> >>> Thank you very much for any help in advance!
> >>
> >> It runs (of course), but the version in portage is not
> >> multi-threaded. For that, you will need JACK2, which is able to
> >> use more than just one CPU. You can find it in the pro-audio
> >> overlay. But be aware that if you're on a 64-bit Gentoo, the
> >> package will break if you have emul-linux-x86-soundlibs
> >> installed. I posted a bug about it, along with a fix, but it was
> >> not accepted:
> >>
> >> http://bugs.gentoo.org/show_bug.cgi?id=399071
> >>
> >> You can manually delete the offending files.
> >>
> >>
> > Hi all,
>
> > A silly question : I got pro-audio overlay with layman for using
> > jack2 with my ie7 processor. I don't see any jack2 reference into
> > the overlay. Where can i find it ?
>
> > Thank you very much,
>
> > Best regards,
>
> > -- Jacques
>
> jack2 is referring to the 1.9.x versions of
> media-sound/jack-audio-connection-kit.     

Thank you !

Cheers,

--
Jacques