Yup, try profiling it with Shark. Basically, its 25% CPU time of idle calls... if you use Jack, this goes down to a couple percent. Or try the "callback" function in the audio config.

.hc

On Jan 20, 2010, at 9:18 AM, Rich E wrote:

I just noticed that when I open pd, without a patch and with default settings, it uses 25% cpu according to the Activity Monitor. If I turn on dsp then turn it back off, it drops to almost nothing.

I'm running OS X Snow Leopard 10.6. I first noticed this using the 0.43 devel branch, but then experienced the same thing using the 0.42-5 dmg from Miller's website. Anyone else experiencing this?

rich
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