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To: Scumbria who wrote (127630)2/16/2001 7:57:16 PM
From: Elmer  Read Replies (1) | Respond to of 186894
 
Athlon has a superscalar FPU, and it can be optimized with more flexibility than the P4 FPU which operates either in x86 brain-dead mode, or in wide SSE mode

No I think the point is, compile for SSE2 and you don't need any other optimization. P4 operates in both modes and Athlon only operates in x86 brain dead mode. You can optimize Athlon until the cows come home and it still falls way behind an optimized P4. In fact, Athlon has the worst SPEC FP scores of any processor family reported and you praise it to the heavens! What good is flexability when you still come in last?

Here is a review which indicates what benchmarks buyers actually care about:

For those who can out type their wordprocessor, I suggest they get an Athlon and run old code.

EP