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Technology Stocks : Advanced Micro Devices - Moderated (AMD)
AMD 259.65+2.3%Jan 23 9:30 AM EST
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To: jcholewa who wrote (52874)8/28/2001 9:11:10 PM
From: wanna_bmwRead Replies (1) of 275872
 
JC, Re: "I should note that not every application can garner phenomenal gains on the Pentium 4, even with the most amazing attempt at optimization. There is no SIMD branch instruction, nor is there a ROLPS."

But you can reduce transcendental functions down to add and shift instructions. In the case of SuperPI, this would give Pentium 4 an extreme advantage, since both of those instructions can be fully pipelined, and take advantage of the double pumped ALUs.

I'd say your experiences with SuperPI must be very locale dependent. I know a couple Japanese overclockers myself, and none of them pay any more heed to SuperPI than I do.

wanna_bmw
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