Towards a High-Performance Implementation of MPI-IO on Top of GPFS

  • Authors:
  • Jean-Pierre Prost;Richard Treumann;Richard Hedges;Alice E. Koniges;Alison White

  • Affiliations:
  • -;-;-;-;-

  • Venue:
  • Euro-Par '00 Proceedings from the 6th International Euro-Par Conference on Parallel Processing
  • Year:
  • 2000

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Abstract

MPI-IO/GPFS is a prototype implementation of the I/O chapter of the Message Passing Interface (MPI) 2 standard. It uses the IBM General Parallel File System (GPFS) as the underlying file system. This paper describes the features of this prototype which support its high performance. The use of hints allows tailoring the use of the file system to the application needs.