[PD] pd eating cpu on os x
Thomas Grill
gr at grrrr.org
Tue Apr 8 23:53:58 CEST 2008
>
> here's the first 20 processes, is there anything that should worry me?
>
I don't think so... you could compare this to Max/MSP or other audio
applications.
In my experience using jack imposes additional load, since it will be
just another layer between the application and coreaudio.
gr~~~
> 14.7% 14.7% mach_kernel ml_set_interrupts_enabled
> 12.3% 12.3% AudioToolbox
> Resampler2::ConvertAltivec_SmallIntegerRatio(float*, float*,
> unsigned long, int)
> 6.1% 6.1% com.apple.driver.AppleHDA SInt16ToFloat32
> 5.0% 5.0% com.apple.driver.DspFuncLib DspFuncOrgEQ::_EQBoth
> (float*, float*, unsigned long, unsigned long)
> 3.5% 3.5% mach_kernel lo_mach_scall
> 1.9% 1.9% com.apple.driver.DspFuncLib DspFuncVolume::process
> (unsigned long, unsigned long)
> 1.4% 1.4% mach_kernel mutex_lock
> 1.2% 1.2% CoreAudio IOA_Time::GetCurrentTime(AudioTimeStamp&) const
> 1.2% 1.2% mach_kernel lo_alltraps
> 1.1% 1.1% IOKit iokit_user_client_trap
> 1.1% 1.1% commpage [libSystem.B.dylib] __spin_lock
> 1.1% 1.1% CoreAudio AUGenericOutputEntry
> 1.0% 1.0% libSystem.B.dylib semaphore_timedwait_signal_trap
> 0.9% 0.9% libSystem.B.dylib semaphore_wait_trap
> 0.9% 0.9% libSystem.B.dylib _pthread_cond_wait
> 0.9% 0.9% commpage [libSystem.B.dylib] __nanotime
> 0.9% 0.9% mach_kernel mutex_unlock
> 0.8% 0.8% commpage [libSystem.B.dylib] __memcpy
> 0.7% 0.7% mach_kernel lck_mtx_lock
> 0.7% 0.7% AudioToolbox Resampler2::PushConvert(float*, float*,
> float*, float*, unsigned long&, unsigned long&, unsigned long,
> unsigned long)
>
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