What is MPI?

• A standard message-passing library

  • p4, NX, PVM, Express, PARMACS are precursors

• MPI defines a language-independent interface

  • Not an implementation

• Bindings are defined for different languages

  • So far, C and Fortran 77, C++ and F90
  • Java Grande Forum is defining Java bindings

• Multiple implementations

  • MPICH is a widely-used portable implementation
  • See http://www.mcs.anl.gov/mpi/

Previous slide

Next slide

Back to first slide

View graphic version