Download Energy-Efficient Data Centers: Second International by Sonja Klingert, Xavier Hesselbach-Serra, Maria Perez Ortega, PDF

By Sonja Klingert, Xavier Hesselbach-Serra, Maria Perez Ortega, Giovanni Giuliani

This publication constitutes the completely refereed post-conference lawsuits of the second one overseas Workshop on power effective information facilities, E²DC 2013, held in Berkeley, CA, united states, in could 2013; co-located with SIGCOMM e-Energy 2013. The eight revised complete papers awarded have been conscientiously reviewed and chosen from various submissions. The papers are geared up in topical sections on strength and workload dimension; strength administration; simulators and control.

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Extra resources for Energy-Efficient Data Centers: Second International Workshop, E²DC 2013, Berkeley, CA, USA, May 21, 2013. Revised Selected Papers

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1 Representing the Application Workload Applications running on desktop operating systems (for ex. Linux, Windows or Mac OS) typically communicate very few to no information to their host operating system when launched. For example, a multi-threaded application will ask the creation of its threads to the operating system, thus letting it know the number of threads. The idea is to increase this amount of information in the case of applications running in data centres, to let the operating system and subsequently the data centre management framework build an appropriate and up to date application profile.

It stops when a pass does no swaps. Its complexity is O(n2 ) for arbitrary data, but approaches O(n) if the list is nearly in order at the beginning. Shellsort is a generalization of insertion sort, named after its inventor, Donald Shell. The algorithm belongs to the family of in-place sorting but is regarded to be unstable. The algorithm performs O(n2 ) comparisons and exchanges in the worst case, but can be improved to O(n log2 n). This is worse than the optimal comparison sorts, which are O(n log n).

Section 8 concludes the paper and gives an outlook on future research. 2 Definition and Related Work Currently, there is no commonly accepted definition for the research field of energy aware and energy efficient software or data management. Viewed from the perspective of sustainability one can distinguish and explicitly separate to domains: (1) Green IT comprises methods and techniques for ranking, analyzing and improving the efficiency of IT-Systems by using low-power hardware, virtualization, and software optimization.

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