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Technology Stocks : Advanced Micro Devices - Moderated (AMD)
AMD 231.80+1.7%Jan 16 3:59 PM EST
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To: andreas_wonisch who wrote (45075)6/26/2001 4:22:38 PM
From: fyodor_Read Replies (1) of 275872
 
Andreas, from the article you linked to at overclockers.com:

Of course, your motherboard has to know that. With the
latest beta bios, the Master does, but most others don't
at the moment. If your mobo doesn't know it can do
SSE, it won't, and you won't.

Are they serious? Why on earth would the motherboard need to know that the processor can do SSE? My K6-2 (including the 3DNow!) ran just fine in a motherboard from before 3DNow! was even close to being introduced - and I certainly didn't hear anything about "3DNow! compatible" motherboards / BIOSes.

And then there's their whole memory bandwidth test. Suffice to say, what they are doing is completely and utterly irrelevant.

(What they do is slow down the memory and benchmark it in various programs against one with "fast" memory. They then proceed to conclude that the "extra memory bandwidth" provided by the Athlon MP over the regular Athlon (really do to prefetching, of course) is only worth anything in the benchmarks that show a big increase in performance in the aforementioned test of fast vs slow memory. In reality, of course, any program that uses memory AT ALL in a predictable fashion (and it doesn't have to require any significant bandwidth!!!!) will benefit from the hardware prefetching. In fact, one could argue the exact opposite of what they claim: programs that require a lot of bandwidth - in an UNpredictable manner - would actually run slower with hardware prefetching, since it would take up some of the bandwidth making poor predictions.)

-fyo
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