Got sidetracked there... Configuration fails: The required jack >=0.118.3 with session support was not found. I'm unlikely to fix that for the moment. James. On 8 July 2010 03:11, cal <cal@xxxxxxxxxxxx> wrote: > On 07/07/10 18:42, James Morris wrote: >> >> Hi, >> >> Yoshimi 0.58 crashes when loading a padsynth instrument from instrument >> menu. >> >> The attached instrument fails, as does a simple test instrument with >> default params. > > hi James, well that turned out to be more interesting than a boring little > deadlock. With plinky-plank's sample-quality->samplesize of 5, it sets about > prepping an fft plan on 512K, and any way you go about that I figure that's > going to take a finite chunk of time. My terminology use here is no doubt > way > off, I don't pretend to understand as much as I'd like on the subject of fft > processing. > > The "problem" was that somewhere way back there I switched the planner flag > from FFTW_ESTIMATE to FFTW_MEASURE, and as the docs put it, "FFTW_MEASURE > tells FFTW to find an optimized plan by actually computing several FFTs and > measuring their execution time. Depending on your machine, this can take > some > time (often a few seconds)". On my AMD250/4G ram, plinky-plank took all of > 1'24" to come to life. And wasn't it worth the wait! > > By switching the planner flag back to FFTW_ESTIMATE, things happen a whole > lot > quicker. This one is just further evidence that when it comes to the core > synth stuff, Paul (original zyn author) actually knew what he was doing, and > every time I've tried to vary things in that area I've stuffed it up! I > think > this little item might also account for comments along the way that > instrument > loading in general was taking longer than it used to. > > And so there's ... > 0.059-pre2 switch fftw planner flag from FFTW_MEASURE back to FFTW_ESTIMATE, > enabling plinky-plank to load in realistic time. > > Let me know if it works for you, > <http://www.graggrag.com/yoshimi/yoshimi-0.059-pre2.tar.bz2> > > cheers, Cal > > > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user@xxxxxxxxxxxxxxxxxxxx > http://lists.linuxaudio.org/listinfo/linux-audio-user > _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
