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A high-performance, portable implementation of the MPI Message-Passing Interface standard

By Ewing Lusk, Nathan Doss and Anthony Skjellum

Abstract

MPI (Message Passing Interface) is a speci cation for a standard library for message passing that was de ned by the MPI Forum, a broadly based group of parallel computer vendors, library writers, and applications specialists. Multiple implementations of MPI have beendeveloped. In this paper, we describe MPICH, unique among existing implementations in its design goal of combining portability with high performance. We document its portability and performance and describe the architecture by whichthese features are simultaneously achieved. We also discuss the set of tools that accompany the free distribution of MPICH, which constitute the beginnings of a portable parallel programming environment. A project of this scope inevitably imparts lessons about parallel computing, the speci cation being followed, the current hardware and software environment for parallel computing, and project management � we describe those we have learned. Finally, we discuss future developments for MPICH, including those necessary to accommodate extensions to the MPI Standard now being contemplated by the MPI Forum.

Year: 1996
OAI identifier: oai:CiteSeerX.psu:10.1.1.352.7056
Provided by: CiteSeerX
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