Re: [LAU] jack performance in ubuntustudio

From: James Stone <jamesmstone@email-addr-hidden>
Date: Fri Jul 25 2014 - 14:20:17 EEST

Ah - just tried uninstalling jack and reinstalling, and jackd2 now
seems to work pretty much as expected. Seems I had a few kxstudio
jackd libs knocking around that seemed to be interacting badly with
the default ubuntu stuff..

On Fri, Jul 25, 2014 at 11:05 AM, James Stone <jamesmstone@email-addr-hidden> wrote:
> I've just done some quick testing of AVLinux vs. Ubuntustudio, and the
> performance of jackd is significantly worse on ubuntustudio..
>
> On AVLinux, I can start up jack (0.121.3) with 32 frames, and CPU runs
> around 3%. On Ubuntu (jackd 1.9.10), I am getting 30%+ with the same
> settings.
>
> Checking top, I am getting pulseaudio at 30% and jackdbus at 20%..
> Killing pulseaudio, jackdbus goes down to 13%, but this is still
> significantly worse than avlinux..
>
> I'm wondering if it is due to differences in new vs. old jack, or if
> there is something else I can tweak?
>
> James
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Received on Fri Jul 25 16:15:01 2014

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