Are you a programmer? Want to do something for the environment and even make the world a better place? Then start optimizing your code!

It seems like today the solution to most software performance issues is to throw more hardware at the problem instead of making the software run faster on existing hardware. Doing more with less is a forgotten mantra, and Wirth’s Law continues to ring true:

Software is getting slower more rapidly than hardware becomes faster.

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Data centers are stacked with computer equipment. All that equipment generates heat, a lot of it, which is just wasted energy. Reusing at least some of that wasted energy seems like a good idea. But first it would be nice to know how much excess heat is actually produced by a data center. IBM should [...]

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There has been a lot of discussion the last couple of years about how power costs have become a major expense for data centers. The latest entry in the debate comes from an AMD-sponsored report by Jonathan Koomey of the Lawrence Berkeley National Laboratory. According to the report, power for servers and their cooling equipment [...]

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