I am trying out the Alpha 3.1.1 AudioUnits demo, and consistently get big (90-100%) cpu spikes on every note on/off event. If I hold a note, the cpu usage settles down to a low level, and then on the note off - a huge spike. I don't experience the problem with FreeAlpha, nor with the Alpha VSTi. Has anyone else experienced this or have any idea what could be going on?
My system: OSX 10.5.8, Logic 9.1, 3Gb 667 RAM, 2.0GHz intel C2D.
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CPU spikes with Alpha 3.
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- KVRist
- 70 posts since 25 Nov, 2003
I don't see it here on 10.6.2 and Logic 9.1.
Can you give me more details about your audio settings in Logic? Sample Rate, buffer size....
Can you give me more details about your audio settings in Logic? Sample Rate, buffer size....
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- KVRist
- 70 posts since 25 Nov, 2003
Correction, I don't see the spikes in full version, but they are on MIDI note on/off with demo version. Strange enough, we'll investigate this.
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- KVRer
- Topic Starter
- 17 posts since 13 Jan, 2009
sample rate 44.1; buffer size 256 samples
I am getting similar cpu spikes with the Cronox3 and Albino demos. But not on the Octopus demo. Thanks for looking into this!
I am getting similar cpu spikes with the Cronox3 and Albino demos. But not on the Octopus demo. Thanks for looking into this!