Titlebook: HPC@Green IT; Green High Performan Ralf Gruber,Vincent Keller Book 2010 Springer-Verlag Berlin Heidelberg 2010 Adapt Computers to Applicati

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https://doi.org/10.1057/9781137029539rgy consumption by adapting a computer to application needs, by choosing a well suited machine to run each application component, and by installing a Grid of resources that is best suited to the application community. We know that these advices could well be wrong.

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re parameterized, the relevant quantities monitored, and modMaking the most ef?cient use of computer systems has rapidly become a leading topic of interest for the computer industry and its customers alike. However, the focus of these discussions is often on single, isolated, and speci?c architectur

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Parameterization,ns running on nodes and networks are also described through a set of quantities, some of them are then used to predict complexities (chapter 4), to optimize applications, algorithms or kernels on cores (chapter 5), on nodes (chapter 6), on clusters (chapter 7), and to evaluate the costs of a submission (chapter 8).

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Core optimization,hen presented, such as unrolling, indirect adressing, cache-miss, dependencies and inlining. All the techniques are described in detail and emphasized with examples, even though compilers are doing this work automatically. Finally, optimization steps in thermonuclear fusion codes are discussed.