Old Software Hogs Energy

Forbes.com (May 18 2009) Monitoring , Cloud Computing , Servers

1. The next big opportunity for saving power in the data center isn't a more efficient computer or chip, or a better cooling system. It's rewriting--or eliminating--legacy software code. Most of the other stuff is already done, or at least under way. Intel ( INTC - news - people ) and Advanced Micro Devices ( AMD - news - people ) have made huge gains in power efficiency and performance over the past decade. Virtualization has allowed utilization of servers to increase by a factor of 10. Better cooling fans and smarter placement of server racks has cut power consumption. But those are largely one-time gains, and while they add up to a far more efficient data center, they pale in comparison to the gains that can be made in making software more efficient. (Read Full Article)

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