I was quite surprised by the performance of the realtime kernel in
Debian. I've got no numbers, but I did experience less xruns. Overall it
felt surprisingly better then the default kernel.
On 6/4/20 11:25 AM, nik@xxxxxxxxxxxxxxx wrote:
Hmm I never felt any advantage using RT kernels, either, at least in the recent
years, so I wonder if they still have any advantage in 2020 ? And that's not a rhetorical
question, I really wonder what contemporary use cases for RT kernels in the audio world are.
I feel like these kernel-tuning approaches date back to times when desktop responsiveness
etc. were much more serious issues. Might be wrong here, of course.
Best,
n
Robert Jonsson wrote on 04.06.2020 10:04 (GMT +02:00):
Thanks for bringing this up, I wasn't aware that there were prepackaged
"high performance" kernels available.
I briefly tried the xanmod-rt kernel on a laptop that has given me a lot
of
xrun grief.
This was kubuntu 20.04 and the first kernel I tried was xanmod-rt,
installation was very easy so I can recommend people trying it out,
switching between kernels during boot is usually simple.
Anyway, this kernel did not complete the boot sequence so .. not that
great. Then I tried the xanmod-rt-edge (or something along those lines).
It
does boot but sadly does very little to improve the xrun situation.
This is anecdotal and I'm inclined to think there is something seriously
wrong with this laptop which makes it inherently rt-unfriendly. But I will
do more tests as I'm basically a bit disappointed with the realtime-ness
I've been able to achieve on various hardware lately. I really thought it
would be easier to achieve reliable performance at, say 44100 and 128
frame
buffers.
It's been a long time since I tried any competing operating systems so I
might be wrong and assume too much, but I'm pretty sure OS X can do this
in
a quite stable way.
Regards,
Robert
Den tis 2 juni 2020 kl 12:48 skrev Roger <gurusonic@xxxxxxxxx>:
Anyone here using or had experience with XanMod kernels? -
https://xanmod.org/
I'm currently using Debian Buster with recent Liquorix which works quite
well but am now dipping my feet into keyboard-playing waters and wonder
if it's worth trying.
It does show some advantages in a recent Phoronix test compared to
Liquorix -
https://www.phoronix.com/scan.php?page=article&item=xanmod-2020-kernel
Roger
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