[ardour-users] Ardour not using available memory?
scott at scotthelmke.com
Sat May 1 12:52:07 PDT 2004
Well, no Firewire disk to test, but I'll probably get one. There's a small
wrinkle in getting Firewire stuff to run under Fedora, but it's pretty
simple thing to deal with.
With a somewhat older 16Gb disk hooked up as /dev/hdd (slave to the CD
burner) and set up as reiserfs I didn't see any real change in CPU use on
playback. Still appears to be a lot of disk activity just playing back 3-4
tracks, and when I first opened the project I got a couple of "disk stream"
errors. The session is over 1 Gb, but most of that is muted or even
replaced tracks. Ardour is now using 159Mb, according to top.
On the up side, I recorded a track and the CPU use was only around 20-30%, as
opposed to 40-60% during playback only.
Any further ideas?
On Friday 30 April 2004 17:47, Jack O'Quin wrote:
> Scott Helmke <scott at scotthelmke.com> writes:
> > I'll give that a shot; I've got a spare disk I can use. With Fedora
> > it's ext3 on /, which is pretty much the entire disk. I don't have room
> > in the box for SCSI, and maybe not even a second HD since it's one of
> > those little Shuttle boxes. I've gotten a Firewire CD burner to work;
> > would a Firewire hard disk make sense?
> Probably. No personal experience with it, but it seems like a good
> solution for portable, hot-pluggable audio storage. Fairly
> inexpensive, too.
> I'd be interested to hear from those who've tried it.
> > So it turns out about half of my Gb of memory was held by tmpfs. I
> > can't see why the two tmpfs filesystems (/dev/shm and for jack) could
> > need more than 100Mb or so, at a guess. However, limiting them to 100Mb
> > didn't have any apparent effect on Ardour's performance or on the CPU
> > meter. Ardour is still (according to top) using 150Mb.
> Probably half a GB of *virtual* memory. No significant overhead in
---- Scott Helmke ---- scott at scotthelmke.com ---- (734) 604-9340 ----
And you'll visualize not taking any chances
But meet them halfway with love, peace, and persuasion
And expect them to rise to the occasion
(from "Glad Tidings", by Van Morrison)
More information about the Ardour-Users