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Technology Stocks : Advanced Micro Devices - Moderated (AMD)
AMD 223.53+1.1%Jan 14 3:59 PM EST
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To: fastpathguru who wrote (255211)8/5/2008 2:10:50 AM
From: graphicsguruRead Replies (1) of 275872
 
with the same core clock speed but 2.5x (800 vs. 320) cores . . . .
it achieves 1.5-1.8x performance.

The difficulties of scaling from 320 to 800 cores are vastly
different from the difficulties of scaling from 8 to 32.

Eventually, you start to run out of things to do in parallel, and
load balancing gets tricky. But if you can still get a decent
improvement going from 320 to 800, that suggests that near
linear speed-up from 8 to 32 should be a piece of cake.
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