Cores of the problem: Economist

May 14th 2008

From Economist.com

The latest processing chips require a new approach to writing software

Picture from Intel

COMPUTER makers talk a lot about a coming wave of software that will change the way people behave towards their machines. Rich three-dimensional virtual worlds and multimedia applications that mimic the experience of a live concert in a living room will, they say, become commonplace. But there is a problem. Although hardware makers are producing PCs, laptops and portable devices with ever increasing processing power, the software industry is falling behind in its capacity to write programs that can make use of all this power.

Everyone is familiar with how Intel, AMD and other chipmakers churn out faster and faster processors. But in the past few years the design of these chips has changed. Instead of making chips faster by making their components smaller and running them at higher speeds, makers have started building multiple processing engines, or “cores”, onto each chip. Each core can run at a lower speed, which requires less energy and produces less heat, and the overall number-crunching power of the chip continues to increase...

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