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AMD's Flexes New Floating-Point Unit

Nov 08, 2010, 21:07 (1 Talkback[s])
(Other stories by Vince Freeman)


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"Our initial commentary on the upcoming AMD Bulldozer architecture covered its basic features and design, including the transition to a modular architecture, but in a recent blog, AMD expanded on the feature set by outlining the new Flex FP floating-point capabilities of the Bulldozer microarchitecture.

"A floating-point unit operates on larger numbers with decimal points and uses higher-level math like exponential and trigonometric calculations. This differs from integer math processing with its basic round integers and more rudimentary math. Obviously, floating-point performance would not affect all areas of computing, but it does have a significant impact when processing financial or technical data.

"AMD's Flex FP goes back to the basic concept behind Bulldozer, that of a fully modular design where two integer cores are linked to a single floating-point unit in a processor module. This single FPU is now Flex FP."

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