Multi-Site Emulation using Wrekavoc: Validating Distributed Algorithms and Applications

Olivier Dubuisson 1 Jens Gustedt 2 Emmanuel Jeannot 2
2 ALGORILLE - Algorithms for the Grid
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : Experimental validation and testing of solutions designed for heterogeneous environment is a challenging issue. Wrekavoc is a tool for performing such validation. It runs an unmodified applications on emulated multisite heterogeneous platforms. It downgrades the performance of the nodes (CPU and memory) and the interconnection network in a prescribed way. We report on new strategies to improve the accuracy of the network and memory models. Then, we present an experimental validation of the tool that compares executions of a variety of application code. The comparison is done between a real heterogeneous platform against the emulation of that platform with Wrekavoc. The measurements show that our approach allows for a close reproduction of the real measurements in the emulator.
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Rapport
[Research Report] RR-6696, INRIA. 2008, 30 p
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Olivier Dubuisson, Jens Gustedt, Emmanuel Jeannot. Multi-Site Emulation using Wrekavoc: Validating Distributed Algorithms and Applications. [Research Report] RR-6696, INRIA. 2008, 30 p. 〈inria-00331627〉

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