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Proceedings of the 1999 ACM/IEEE conference on Supercomputing
SunTM MPI I/O: Efficient I/O for Parallel Applications
Portland, Oregon, USA
November 13-November 18
ISBN: 1-58113-091-0
Len Wisniewski, Sun Microsystems Inc.
Brad Smisloff, Sun Microsystems Inc.
Nils Nieuwejaar, Sun Microsystems Inc.
Many parallel applications require high-performance I/O to avoid negating some or all of the benefit derived from parallelizing its computation. When these applications are run on a loosely-coupled cluster of SMPs, the limitations of existing hardware and software present even more hurdles to performing high-performance I/O. In this paper, we describe our full implementation of the I/O portion of the MPI-2 specification. In particular, we discuss the limitations inherent in performing high-performance I/O on a cluster of SMPs and demonstrate the benefits of using a cluster-based filesystem over a traditional node-based filesystem.
Len Wisniewski, Brad Smisloff, Nils Nieuwejaar, "SunTM MPI I/O: Efficient I/O for Parallel Applications," sc, pp.14, Proceedings of the 1999 ACM/IEEE conference on Supercomputing, 1999
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