Linked by Thom Holwerda on Tue 28th Feb 2006 18:51 UTC
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Member since:
2005-07-06
1) The IPC of the Core Duos is about 70% higher than that of the PIII's in integer code. The faster bus, large cache, and better branch predictor improve things very significantly.
2) The G4 has about the same IPC as the PIII.
3) How many people are going to be running FFTs on a Mac Mini?
4) The scarcity of registers is mostly eliminated by register renaming.
5) SPEC benchs are based on real-world applications. They show register availability issues very well. Indeed, they are pretty much the standard for measureing the improvement of various register allocation algorithms in compilers.