CANON, Louis-Claude; DUBUISSON, Olivier; GUSTEDT, Jens; JEANNOT, Emmanuel

doi:10.1016/j.jss.2009.11.734

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CANON, Louis-Claude
Algorithms for the Grid [ALGORILLE]
Efficient runtime systems for parallel architectures [RUNTIME]

DUBUISSON, Olivier
Algorithms for the Grid [ALGORILLE]

GUSTEDT, Jens
Algorithms for the Grid [ALGORILLE]

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Journal of Systems and Software. 2010, vol. 83, n° 5, p. 786-802

Elsevier

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The experimental validation and the testing of solutions that are designed for heterogeneous environments is challenging. We introduce Wrekavoc as an accurate tool for this purpose: it runs unmodified applications on emulated multisite heterogeneous platforms. Its principal technique consists in downgrading the performance of the platform characteristics in a prescribed way. The platform characteristics include the compute nodes themselves (CPU and memory) and the interconnection network for which a controlled overlay network above the homogeneous cluster is built. In this article we describe the tool, its performance, its accuracy and its scalability. Results show that Wrekavoc is a very versatile tool that is useful to perform high-quality experiments (in terms of reproducibility, realism, control, etc.< Leer menos

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Tool for experimentation

Performance modeling

Emulation

Heterogeneous systems

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Defining and Controlling the Heterogeneity of a Cluster: the Wrekavoc Tool

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