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Re: MatrixMixer CPU usage
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Re: MatrixMixer CPU usage


  • Subject: Re: MatrixMixer CPU usage
  • From: tahome izwah <email@hidden>
  • Date: Mon, 21 Feb 2011 22:18:53 +0100

Is that on a MBP or iMac with built-in speakers by any chance? On some
systems there is additional overhead for equalization involved to make
the most out of the built-in speakers. Depending on how you measure
CPU usage this might taint your measurements...

HTH
--th

2011/2/21 Kevin Boyce <email@hidden>:
> It seems like MatrixMixer takes a huge amount of CPU, even just sitting there.
>
> I thought it was me, but Apple's MatrixMixer Test uses 38% of a 1.5GHz Core Solo before anything is enabled or loaded.  Playing back an m4a file raises that to about 40%.  So the decoding and actual shuffling around of data uses about 1/20 as much CPU as the MatrixMixer overhead.  Does that seem right to you?
>
> Is there any way I can reduce the overhead when it's not doing anything?  Or am I stuck with that if I use MM?
>
> Thanks,
> Kevin _______________________________________________
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