Hi Erich,

so today I spent some time in the recording session with the following
settings and configurations:

   - The machine is 2x 12core Intel Xeon with an SSD drive and 32GB RAM - I
   know that this is a recording overkill and I am not sure how much the
   machine itself can influence the recording process.
   - Soundcard is Focusrite Scarlett 2i4 over USB
   - My system is an updated Fedora Workstation 32 with stock kernel (I
   only lifted up the ulimits)
   - The recording session was set to 48KHz, 32bit float audio
   - The session had about 15 tracks, out of which there were 5 sound+midi
   tracks and the rest were sound tracks

and I have made the following observations:

   - the session could perform playback normally on 512 samples and 10ms
   latency
   - when I recorded on 512 samples and 10ms latency, I could work
   flawlessly for about 10 or 15 minutes and then, all of a sudden, Ardour
   spat a bunch of xruns. I started to delete the xrun markers one after
   another and Ardour crashed.
   - then I restarted it on 1024 samples and 21ms latency which was fine
   for the rest of the work -> did not have any more xruns.

So, I can confirm, that with the above settings I can use stock Fedora
Workstation with Gnome desktop for my recording at 1024 samples with 21ms
latency.
I could not test higher freqencies, because I do not have any such a
project ready, but when I experimented with 192KHz, I was fine with 2048
sampes and 42ms latency, which I remember very well (from that experience
my settings of 2048 samples do originate from).

I hope you can use this info, if you needed something else, please let me
know.


On Wed, Jun 10, 2020 at 8:13 PM Harsh Jain <harshjain...@gmail.com> wrote:

> Hi Erich ,
> Sorry , I thought the primary focus was to find a new de to shift to .
> Improving Gnome in terms of reducing resource usage (and in general )
> seems pretty nice . I'd be happy to have another de I can work smoothly
> with :)
> This might not be relevant but if you install pantheon de , you can switch
> to gnome on the logout screen (even if you didn't install it ) and it
> basically brings gnome shell with pantheon apps .
> I felt it was a bit smoother than normal gnome ( I didn't test this
> extensively but everything seemed to work fine ) .Maybe this can help in
> some way ?
> Thanks ,
> Harsh
>
> On Wed, 10 Jun, 2020, 22:10 , <er...@ericheickmeyer.com> wrote:
>
>> On Wed, 2020-06-10 at 22:01 +0530, Harsh Jain wrote:
>> > Hi ,
>> > I'm not too familiar with Fedora Jam but if you want to minimize
>> > resource usage , shouldn't XFCE be a better choice since it's less
>> > intensive with resources . Although Gnome has also reduced resource
>> > usage since initial 3.x releases as well I think . It's just really
>> > hard to decide between evrything (l'm de hopping currently as well) .
>> > Again ,I'm sorry if none of this was useful .
>> > Thanks ,
>> > Harsh
>> >
>>
>> Hi Harsh,
>>
>> I also lead Ubuntu Studio and we just moved away from Xfce to KDE
>> Plasma because we wanted a more-functional desktop for creative
>> professionals. The resource usage between Xfce and Plasma is neglegable
>> (about 50MB difference) and KDE is a better choice for graphics artists
>> (which Ubuntu Studio also covers.
>>
>> I think you missed the point though: the goal is to help GNOME improve.
>> I've had conversations with people who want to see GNOME improve in
>> this regard and want to work with me in improving it. So, this isn't
>> about simply switching desktops, this is about helping another desktop
>> improve its situation. If Jam is to switch, it's going to GNOME, that
>> decision is already made. The "If" is what I'm working on, whether or
>> not to actually go through with it.  If it does happen, the goal is to
>> improve GNOME. One can always install whatever desktop they want and do
>> "dnf groupinstall 'Audio Production'".
>>
>> I hoep that clears things up, as I think you missed the point. :)
>>
>> Erich
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-- 

Lukáš Růžička

FEDORA QE, RHCE

Red Hat

<https://www.redhat.com>

Purkyňova 115

612 45 Brno - Královo Pole

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