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
9 okt 2006 kl. 23.51 skrev Daniel Stenning:
I got a 2X speed improvement on my Mac Pro 2.66 Ghz over my old
powerbook
1.5 Gig running a long "batch job" task.
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