Its PortAudio running through CoreAudio. If you use Jack on OS X, you'll see your % usage decrease significantly. I can easily cut my CPU usage in half by using Jack on OS X. I've also seen notable decreases when using cycling74's soundflower.
On a similar note, if you happen to be using a firewire audio interface, you're cpu usage will be even higher! ~Brandon ps: sorry if ppl are getting reposts, I'm having severe mail issues. On Nov 21, 2007, at 10:49 PM, chris clepper wrote: > I suspect it is Apple's subpar OpenGL causing this. Rather than use a > ton of sphere objects use [model] and an obj of a sphere. Performance > should increase. > > On Nov 21, 2007 1:38 PM, cyrille henry <[EMAIL PROTECTED]> > wrote: >> hello, >> >> i just made a performance test on osX, using pmpd exemple 22 (i had >> similar problem with other patch, this is just an exemple) >> >> with pd extended, or pd/Gem and pmpd compiled from cvs, this patch >> use about 40% CPU on a macbook pro 2.33Ghz. >> >> on my computer (dual core 2Ghz), it use about 22% (in both case, % >> are mesure for only 1 CPU : both computer are dual core) >> i did not do any thing special in my computer to optimise >> compilation, nor in the macbook. >> >> could anyone with a macbook pro could test this patch and tell me >> the CPU used? >> does anyone know why the macbook is so slow? >> >> >> thanks >> Cyrille >> >> _______________________________________________ >> [email protected] mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list >> > > _______________________________________________ > [email protected] mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list _______________________________________________ [email protected] mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
