Low Latency vs. Real Time Kernel
by Brian Monroe
I've been spending a lot of time on the #opensourcemusicians channel
talking to Ubuntu Studio users about their kernel and latency times they're
getting. Seems like most of them are using g a stock kernel with the
preemptive option enabled and they are getting great latency results
(2ms)while utilizing the @audio group on their user. I ended up compiling
my own low latency kernel and I haven't had any issues with it yet. If this
is what we are missing for the spin I'd be happy to maintain packaging for
the kernel. I know ccrma has been behind a few kernel releases.
I saw the instructions for adding the real time patch for a tick less
kernel and from what I can tell it wouldn't be hard to get that rolling as
well.
I'm not entirely sure what ccrma does differently with their kernels
compared to other Linux users, and I'm still a bit of a noob so I could be
off base with this, but I would reason that we should be able to just
utilize the same settings to archive similar performance enhancements.
I thought I read that ccrma uses a unique scheduler, but if we could get a
2ms latency time without it, the point may be moot.
8 years, 10 months
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Add fedora-jam to xfce-gnome f20
by Jeff Sandys
I have a little E350 'net-top' computer running fedora 20-i686 with default
gnome, xfce, and most of the music packages from f20 and PlanetCCRMA, that
I will be using at the fedora booth at LFNW.
How can I add all the Jam-KDE packages?
I can't find instructions on the wiki and can't find jam with software or
yum (except backgrounds).
Since my focus will be music, I might as well show off the Spin.
I will be giving a talk, "PD - Programming for Artist"
http://linuxfestnorthwest.org/2014/sessions/pd-programming-artists
and the OLPCs will be showing off tam-tam.
Thanks,
Jeff Sandys
9 years, 5 months
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