OT: Why iTunes takes so much proc power
OT: Why iTunes takes so much proc power
- Subject: OT: Why iTunes takes so much proc power
- From: Jim Witte <email@hidden>
- Date: Sun, 17 Feb 2002 14:44:17 -0500
iTunes isn't a direct client of the CoreAudio services. It uses the
Sound
Manager API for all it's playback needs.
Is this why iTunes take so much processing power? Using top from
Terminal, it shows that iTunes (1.1.2) uses about 10-20 percent of the
CPU time when it's playing, whether that's MP3 or AIFF, and about 10-15
percent when playing a CD. Someone on the student-dev list I think said
that this was rather high for MP3 decoding, and it certainly should be
for CD playing and AIFF.
Jim
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