On the Origin of Grid Species: The Living Application

  • Authors:

  • Derek Groen;Stefan Harfst;Simon Portegies Zwart

  • Affiliations:

  • Section Computational Science, University of Amsterdam, Amsterdam, The Netherlands and Astronomical Institute "Anton Pannekoek", University of Amsterdam, Amsterdam, the Netherlands;Section Computational Science, University of Amsterdam, Amsterdam, The Netherlands and Astronomical Institute "Anton Pannekoek", University of Amsterdam, Amsterdam, the Netherlands;Section Computational Science, University of Amsterdam, Amsterdam, The Netherlands and Astronomical Institute "Anton Pannekoek", University of Amsterdam, Amsterdam, the Netherlands and Sterrewacht ...

  • Venue:
  • ICCS '09 Proceedings of the 9th International Conference on Computational Science: Part I
  • Year:
  • 2009

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Abstract

We present the living application, a method to autonomously manage applications on the grid. During its execution on the grid, the living application makes choices on the resources to use in order to complete its tasks. These choices can be based on the internal state, or on autonomously acquired knowledge from external sensors. By giving limited user capabilities to a living application, the living application is able to port itself from one resource topology to another. The application performs these actions at run-time without depending on users or external workflow tools. We have applied this new concept in a special case of a living application: the living simulation. Today, many simulations require a wide range of numerical solvers and run most efficiently if specialized nodes are matched to the solvers. The idea of the living simulation is that it decides itself which grid machines to use based on the numerical solver currently in use.