The latest version of the Apple dev tools includes GCC 3.1, which, according to many people on the arstechnica forums, gives a fairly significant speed improvement (as far as I could tell, a common amount of improvement for a 4 second test was .5 seconds, or about 12-13%. This may not seem like all that much, but thats a greater than 10% improvement from a simple recompile, not at all bad imo)
It's pretty much a given that 10.2 will be compiled with the latest dev tools, so we could be seeing a noticeable speed improvement without even taking into account any changes they're making (such as redoing the mathlib in PPC assembly like OS9's).
It's pretty much a given that 10.2 will be compiled with the latest dev tools, so we could be seeing a noticeable speed improvement without even taking into account any changes they're making (such as redoing the mathlib in PPC assembly like OS9's).