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HPC@Green IT: Green high performance computing methods

: Gruber, R.; Keller, V.


Heidelberg: Springer, 2010, XV, 221 pp.
ISBN: 978-3-642-01788-9
ISBN: 978-3-642-01789-6
Fraunhofer SCAI ()

The authors present methods to reduce computer energy consumption by a better use of resources and by maximizing the efficiencies of applications. The processor frequency is adjusted to the needs of the running job, leading to a power drop in servers and PCs, and increasing battery life time of laptops. It is shown how computer resources can be optimally adapted to application needs, reducing job run time. The job-related data is stored and reused to help computer managers to stop old machines and to choose new ones better adapted to the application community.