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Technology Stocks : Advanced Micro Devices - Moderated (AMD)
AMD 221.42-0.1%Dec 10 3:59 PM EST
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To: Mani1 who started this subject11/21/2000 11:16:16 AM
From: ScotRead Replies (1) of 275872
 
Thought some people might find this interesting. There has been a lot of speculation on why the P4 performs better on Q3. Seems like no one knows....including John Carmack, the game's principal author. Here's a quote from him:

If I had to hazard a wild guess, I would say that it is because much of Q3's structure is broken up into nice separate phases, like game, cgame, front end, back end. The P4 relies on a trace cache for best performance, and it would have effects in some ways like a smaller instruction cache. It may turn out to be something unrelated, like a better bus interface helping the graphics driver more.
John Carmack

-Scot
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