It's posible the difference is in the choice of audio API (oss vs. alsa) or something like that -- "nosleep" prevents Pd from explicitly sleeping but sometimes transferring data to DACs blocks the process.
cheers Miller
On Fri, May 07, 2010 at 03:36:33PM +0100, Pedro Lopes wrote:
Here it works: $ pd -nosleep Gives one of the CPU's 100% load fulltime. No need to run in root for this. My startup alredy boots pd with -rt flag and I have the limits.conf tuned as reported on the wiki/documentation.
The system is: $ Linux 2.6.31-9-rt #152-Ubuntu SMP PREEMPT RT Thu Oct 15 05:01:14 UTC 2009 i686 GNU/Linux (Ubuntu 9.10 rt) (The CPU is a *AMD* Turion 64 X2 TL-60.)
On Fri, May 7, 2010 at 8:31 AM, Ingo Scherzinger ingo@miamiwave.com wrote:
Well, I tried running Pd both as a normal user (with realtime rights) and root (from the console). In either case case the gnome-system-monitor said "sleeping" unless I went over 50% CPU usage for a moment with that particular pd patch. I'm using an AMD Athlon II X2 250 dual core with 3.0 GHz.
Ingo
-----Urspr?ngliche Nachricht----- Von: Miller Puckette [mailto:mpuckett@imusic1.ucsd.edu] Gesendet: Freitag, 7. Mai 2010 05:31 An: Ingo Scherzinger Cc: 'pd-list' Betreff: Re: [PD] -nosleep flag not doing anything? (Ubuntu 10.4 -
Pd-extended
0.42.5)
Hi Ingo,
I've tested this on linux (although not recently) and it seemed to work. Naturally, you need at least a 2-processor machine, otherwise the machine will freeze.
Should theoretically work on Mac too, but I don't have any 2+-processor mac to try it on. Probably does nothing on windows.
cheers Miller
On Thu, May 06, 2010 at 08:13:43PM +0200, Ingo Scherzinger wrote:
I just noticed that the -nosleep flag dosn't seem to do anything. When
I
take a look at the system monitor it says about pd "sleeping" until I
do
something. Even while doing some "light" things it keeps saying
"sleeping".
Is there any condition I have to set in the system to recognise the -nosleep flag. Realtime is turned on. I had to change some audio
properties
to be able to use -rt without being root. Is there something similar
about
"-nosleep"? Does the "-nosleep" flag actually help anything? Especially
when
the system load gets heavy?
Ingo
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