[iTunes] Re: iTunes Speed/Performance Feedback

[Kunga]

I tested this UNIX niceness thing with Renicer earlier and the rip 
speed is the same with iTunes set to maximum priority and all else set 
to minimum. Your rip speed confirms my theory that you get 8x rips per 
500 MHz. of one processor.

k

On Monday, May 26, 2003, at 06:07 PM, Norm LeMieux wrote:

> 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-