Ableton Forum

And I completed my test that way:
I copied the track as much as possible before crackle (with Quiet MBP set to 0, to prevent speedstepping):
65 tracks for the MBP 15 July 2012 (75% cpu)
31 tracks for the MBP 13 early 2011 (78% cpu)

So one of those computer is really twice more powerful for that ...

1) Ableton Live CPU Meter 20-24%
2) Laptop/Desktop? Make/Model? Apple MacbookPro (Non Retina Display)
3) Operating System? Lion 10.7.3
4) Ableton Live version? 8.3.3
5) CPU Make, Model, and Speed? Intel Core i7-3720QM 2.3GHz base clock
6) Amount of Ram? 4GB
7) Soundcard (and driver version if you ...

OK I'm back.

Since I posted last time...

I went out and bought a mid 2012 2.3GHZ 15" Macbook. I took out the stock HD and replaced with an Intel 520 series SSD and added 16GB of RAM.

My results with core audio is 21%. I will hook it up to my sound card and try that next.

Nice computer, though ...

I have to say that the cpu meter isn't that alarming in my test. 20-24 is a nice result, maybe worse than 2011 quads MBP, but better than my previous 2011 13 MBP. The real problem is slowness (can wait till 10 seconds with pizza logo when i duplicate the 8 tracks test). And, there are dropouts or ...

Based on the metric you advise in your post above, and using the test file provided at the beginning of this thread, I can run 94 tracks before it pegs my CPU meter. Ableton Live 8.3/32 bit. At 94 tracks it pegs the meter and then settles down to 93%. I didn't push it any further because I was ...

1) Ableton Live CPU Meter 20-24%
2) Laptop/Desktop? Make/Model? Apple MacbookPro (Non Retina Display)
3) Operating System? Lion 10.7.3
4) Ableton Live version? 8.3.3
5) CPU Make, Model, and Speed? Intel Core i7-3720QM 2.3GHz base clock
6) Amount of Ram? 4GB
7) Soundcard (and driver version if you ...

Just ran the test again. Last time was over a year ago.

OK well I was just about to go out and buy a new Ivy Bridge MBP and retire my custom built i7 (2600k) tower. I am seeing 9% with 8 tracks on this thing. Was really hoping these new MBPs could replace this tower but, after seeing other peoples ...

(I tried all the solutions... no way)...

Did you try downloading an ISO of Snow Leopard 10.6.6 (booting from a flash drive), or using a 10.6.6 disk to boot from?
You should be able to install SL, you just need to wipe your drive clean from Lion, the above 2 methods should do the trick.

I couldn ...

1) Ableton Live CPU Meter 20-24%
2) Laptop/Desktop? Make/Model? Apple MacbookPro (Non Retina Display)
3) Operating System? Lion 10.7.3
4) Ableton Live version? 8.3.3
5) CPU Make, Model, and Speed? Intel Core i7-3720QM 2.3GHz base clock
6) Amount of Ram? 4GB
7) Soundcard (and driver version if you ...