Reduce iTunes CPU usage on older processors
Sep 26, '03 09:50:00AM • Contributed by: brokenotbroken
This might be a no-brainer, but if you always have iTunes open (like me), and aren't happy with how much CPU time it eats through, here's an easy fix. Simply uncheck the "Sound Enhancer" option on the Effects section of the Preferences dialog. This change scaled iTunes CPU usage from peaking up to 38% down to a more reasonable 14%. If you're on an old G3 like me, you know how important every CPU cycle is!
[robg adds: On my G4/733, the impact of the sound enhancer is smaller but still noticeable. With it enabled, CPU usage for iTunes in the background runs between 8% and 10%. After disabling the enhancer, iTunes drops into the 4% to 7% range. Since this isn't a big penalty, and I like the enhanced sound, I leave it running ... but it clearly makes a difference on slower CPUs.]
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