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Despite Energy Efficient Hardware, Power Usage Rising In Data Centers
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Written by Daniel   
Friday, 03 August 2007 10:50

 How fast is our new day dimming? Here one indication....

Power consumption per computational unit has dropped in the past six years by 80%, but at-the-plug consumption has still risen by a factor of 3.4, according to the Uptime Institute.
By Antone Gonsalves
InformationWeek
August 3, 2007 06:00 AM

While vendors paint a rosy picture of improving power-to-performance ratios in servers, the reality is power usage in data centers is increasing, an IT education and consulting firm said Thursday.



In a white paper entitled "The Invisible Crisis in the Data Center: The Economic Meltdown of Moore's Law," Uptime Institute spells out why data centers are using more power at the plug, not less, as technology becomes more energy efficient.

Part of Uptime's argument is made in mathematical terms. While server compute performance has increased by a factor of three every two years since 2000, energy efficiency has only doubled during the same time period. As a result from 2000 to 2006, server compute performance has risen by a factor of 27, but energy efficiency is only up by a factor of eight.

Therefore, power consumption per computational unit has dropped in the six years by 80%, but at-the-plug consumption has still risen by a factor of 3.4. Contributing to the problem are processor manufacturers, such as Intel, Advanced Micro Devices(AMD), and IBM, packing an increasing number of power-hungry chips into the same-size hardware, which generates more heat that requires increased cooling... More

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