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mjankor
28th August 2009, 09:34 PM
Ok, Preliminary results. Feel free to add your own.

Test machine is a very, very well used Macbook Pro.
2.2Ghz, Core 2 Duo
4GB Ram
Nvidia 8600GT

Task
Startup - Disk access to login screen
Leopard: 56.2 secs
Snow Leopard: 33.4 secs

Startup - Login screen to Desktop
Leopard: 29.4 secs
Snow Leopard: 12.2 secs

Safari first load
Leopard: 3.9 secs
Snow Leopard: 2.9 secs

Mail first load
Leopard: 5 secs
Snow Leopard: 2.7 secs

iPhoto first load
Leopard: 16 secs
Snow Leopard: 9.5 secs

Google Earth
Leopard: 26.2 secs
Snow Leopard: 21 secs

Lots more work to be done, but this is an impressive start.

I didn't bother trying to measure load times for apps after they'd been loaded once. The time for a second load was too short to measure.

MissionMan
28th August 2009, 11:51 PM
Is this in 32bit or 64bit mode?

And was this with an upgrade or a fresh install?

mjankor
28th August 2009, 11:56 PM
32bit, upgrade

MissionMan
29th August 2009, 12:02 AM
I'd be interested to see your benchmarks if you switch to 64 bit, its supposed to be snappier.

Thanks for the benchmarks, its good to see the benchmarks for actual figures.

Myles
29th August 2009, 12:36 AM
What program did you use to do those benchmarks?

pengu
29th August 2009, 01:10 AM
From memory SL won't allow the 64bit kernel on MBPs before model 4,1.

mjankor
29th August 2009, 01:16 AM
Myles - My stopwatch on my iphone.

mjankor
29th August 2009, 01:21 AM
And pengu is correct. This machine won't do 64 bitness. I also doubt I'd measure any significant difference when switched to 64bit as opening apps isn't likely to make use of much 64bit computing.

rmac
29th August 2009, 01:25 AM
Geekbench before and after. Mac in sig.

10.5
http://picimg.com/uploads/e5ebefd2dfbff3e26c9abf74536e29dc.png

10.6
http://picimg.com/uploads/e389b86b5b48f8f4c11241f3a2e69387.png

pengu
29th August 2009, 01:26 AM
Even after all the documentation on the web, I can't believe how many people still think "64 bit" is a fucking magic pill that will instantly double the speed of your computer.

In developer land there is a similar myth - that XML will solve any problem, and if it doesn't you need to use more XML.

Yes 64bit has advantages, and its good to move forward, but there is a reason SL boots to a 32bit kernel by default on all but Server hardware. Any app/device you use that has a KEXT component, will need that KEXT recompiled for 64bit before it will work with a 64bit kernel.

The 32bit kernel doesn't stop you from running 32bit Apps, so why do you care whether the kernel is 32bit or 64bit?

pengu
29th August 2009, 01:27 AM
And pengu is correct. This machine won't do 64 bitness. I also doubt I'd measure any significant difference when switched to 64bit as opening apps isn't likely to make use of much 64bit computing.

Your Mac will do 64bit, it already is (look in Activity Viewer), just not a 64bit kernel.

mjankor
29th August 2009, 01:47 AM
Err, guess I should have been more precise in my wording. I meant what you've said, pengu.