On Tue, Aug 10, 2004 at 12:48:42 +0200, derek holzer wrote: > Hi Jack, > > Jack O'Quin wrote: > >The second stable release (0.9.0) of JAMin - the JACK Audio Mastering > >interface is now available for download. > > Great news! Thanks mucho! I haven't downloaded the new one yet, but I > wonder if you could tell me if any of your bug-fixes relate to denormal > numbers? Like a lot of Linux audio apps, I have trouble with massive CPU > leaps using the previous Jamin on my 1.6 GHz Pentium 4 that don't exist > on my 2 GHz Athlon XP box. Would the culprits be in Jamin, or in the > plugins used? JAMin has some denormal killing code that protects it from denormals coming in from outside. Its possible a small number could be generated internally, it shouldn't happen often though. None of the plugin have feedback loops or filters AFAICR, so they shouldn't cause denormals. Try connecting a jack bitscope to one output and see if the denormal counter increases: http://www.ecs.soton.ac.uk/~njl98r/code/ladspa/ - Steve