Tuomo Malkamäki

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Rapid growth of computing during the last few decades has led to a significant increase in power consumption. With increasing operational costs, the data center industry has started to actively search for efficiency improvements to slow down the rising cost of running services. Some of the most prominent ways to cut power consumption are currently perceived(More)
To improve energy efficiency in computer systems and data centers, accurate models of the power consumption are needed for analysis and advanced control algorithms. Developing models requires deep understanding not only of the components themselves but also their interaction. Moreover, verifying models requires accurate measurements, which in itself(More)
Energy efficiency has become one of the key issues for data center operators in recent years. Significant power and consequent cost savings are perceived to be attainable and are also considered to be mandatory due to environmental aspects and for sustainable development. Use of economizers and free cooling is currently one the most prominent ways to make(More)
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