I don't know what people are complaining about really. Universal binary is not a hidden Turbo button.

It just makes your app native on Intel and PPC instead of running emulation.

2x2GHz G5 should compare quite well with Intel Dual Core 2GHz, perhaps with faster memory and video card the Intel should get some speed improvement. From my trials, on 2x2GHz G5 (2GB memory) and my MBP 2GHz, I would say the speed is quite comparable, but the MBP is faster overall. But I know if I put a decent graphics card in my G5 it would perform better.

But then again, both the above machines kick some serious butt compared to my Mac Mini (G4 1.4GHz) and PowerBook 17" (G4 1 GHz). You can not really compare these machines.

UB builds are not some answer to all speed wise, no one has found a really large sleep function anywhere. The intel mac is faster, but only when you compare similar machines. Without having tested it my self, I would say that a 4xG5 2.5 GHz would be quite a lot faster than than my MBP (2GHz).

But to the real issue. Running RB 2006 on Rosetta or in native Intel Mac. The speed difference is more than quite awesome. RB 2006 R4 feels quite like RB 5.5 on my G5 (I tried). Compile speeds and just all overall speed.



Trausti



On Oct 10, 2006, at 10:01 AM, Dr Gerard Hammond wrote:

At 9:47 AM +0200 10/10/06, Lundstrom Design wrote:
It depends very much on what you are doing.

I'm working on a fairly complex 3D application that both rely heavily on math calculations as well as massive amounts of drawing on the screen. All in all I have to say that the UB expected UB performance boost is more or less non-existent, with a few exceptions. VectorWorks, for example shows a 2.3 times speed improvement, to mention something similar.

I compared a 1.6 G5 with an Intel iMac 1.8. All in all, and including compensation for the clock speed, it redraws are about 15% quicker on the Intel Mac when compiled with the 2006 R4. When compiled with the 5.5, I basically got exactly the same speed as the IntelMac on the PPC machine, as it typically generates code being 10-20% quicker than the 2006.

In other words, and despite islands of speed improvements, the general performance of the 2006R4 is not very impressive. It works OK, but does not shine in any way.

Claes Lundstrom



Thanks for this appraisal, Claes!
As one who is about to buy a new Intel Mac laptop (Come on Apple release the new Core Duo 2 chip already!!!) I'll adjust my RB expectations accordingly. Compiling my current large app (PPC IDE on 1.6Mhz G4 laptop) isn't dreadful, but it isn't RB5.5 let alone Rb4.5.
--

Cheers,

Dr Gerard Hammond
MacSOS Solutions
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