On 23 October 2010 07:43, david <gnome@xxxxxxxxxxxxx> wrote: > Joan Quintana wrote: >> >> I had the idea in mind to test my machine (and trying to benchmark the >> tests), loading the session with a chain of JACK clients, in order to know >> the limits of my system and in what conditions the system is stressed, and >> when I would have more chances of XRUNS. >> >> The chain would be something like this. >> >> *playing a midi file with Rosegarden (a midifile full of tracks) >> *fluidsynth as a soft synth, loading a heavy soundfont. >> *JACK RACK for LADSPA effects (load several processor consuming effects) >> *recording the session into Ardour, at the same time that monitoring the >> output to the speakers >> >> Meanwhile I will monitor the system performance (processor & RAM). (I >> thing that Conky System Monitor would do the task of saving a log file for >> later parsing). I don't know if it is possible to fetch the number of XRuns >> from a file or log. >> >> Questions: >> -how can I stress even more this test? > > While it's doing all that, fire up some complex synthesizer patches in Pure > Data or csound or AmSynth or AMS or Zyn or some other synthesizer that does > a lot of processing to generate its sound. Synthesizer patches that generate > their own changing sounds would be great. Alsa Modular Synthesizer has a > living_phaser patch and probably other patches that do that. > > Or you could download and install the trial version of the Bibble photo > processing program <http://www.bibblelabs.com/>. It is one of the most > processor and memory intensive programs I've ever encountered. Install it, > do some basic processing of an entire directory of large images, then have > it batch process the images ... > > Another thought: add a Windows audio app running under WINE or on a virtual > machine running Windows. > > Oh, and install XFractint and have it do a deep zoom somewhere into the > Mandelbrot set. try MDZ - mandelbrot deep zoom, it uses the MPFR math library to go beyond long-double precision to as deep as you have patience for. by default for some peculiar reason it also uses 64 threads. makes the system very unresponsive i promise. http://jwm-art.net/mdz/ -- _ : http://jwm-art.net/ -audio/image/text/code _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user