[iTunes] Re: iTunes Speed/Performance Feedback

[Norm LeMieux]

You're right, but it was a worthy exercise.

On my dual-1G (with big L3), I get a max of 16.8x and it doesn't matter 
where on the CD it's coming from, when using my Pioneer 105, which is only a 
32x reader. CPU utilization never significantly passed over 100% (got to 
105% once), and as you've seen, utilization varies across both processors.

I could not Import from a mounted disk image (I wonder why?) so I had to 
copy the AIFFs into iTunes, then Convert to AAC. Speed was the same.

You may have stumbled upon a Unix "niceness", where programs are forced to 
share processor wealth. From the command line, you should be able to 
manually launch applications with options allowing them to use more power. 
For example, using the "nice" command makes your process use "lower than 
normal priority". I THINK there's someway to do this, but a quick cursoy 
examination of my Unix books (and The Missing Manual) don't show anything.

-ntlm-


>From: Kunga <Kunga at FutureMedia.org>
>Reply-To: "iTunesList" <iTunes at lists.themacintoshguy.com>
>To: "iTunesList" <iTunes at lists.themacintoshguy.com>
>Subject: [iTunes] Re: iTunes Speed/Performance Feedback
>Date: Mon, 26 May 2003 15:05:09 -0700
>
>Rips exactly the same from the AIFF images as from the CD reader. Plus no 
>CDDB inquiry allowed thus slowing down the creation of tag info.
>
>k
>
>On Monday, May 26, 2003, at 02:37 PM, Norm LeMieux wrote:
>
>>Try making a disc image and rip from it. See if you get better 
>>performance.
>
>
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