A profiling approach for the management of writing in irregular applications

  • Authors:
  • M. B. Ibáñez;F. García;J. Carretero

  • Affiliations:
  • Departamento de Informática, Universidad Carlos III de Madrid, Leganés (Madrid), Spain;Departamento de Informática, Universidad Carlos III de Madrid, Leganés (Madrid), Spain;Departamento de Informática, Universidad Carlos III de Madrid, Leganés (Madrid), Spain

  • Venue:
  • ISPA'06 Proceedings of the 2006 international conference on Frontiers of High Performance Computing and Networking
  • Year:
  • 2006

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Abstract

Parallel file systems often work guided by APIs which provide hints to access storage in a coordinated manner. Nevertheless, the current APIs do not offer the expressiveness necessary to specify I/O operations conveniently in irregular applications. We characterize the state of irregular applications that precedes the performance degradation of the parallel file system and we propose a schedule based on profile information.