Basic HTML version of Foils prepared August 29 98

Foil 24 Advanced Features in MPI

From Designing and Building Parallel Programs 3: MPI Message Passing System DoD Modernization Tutorial -- 1995-1998. by Ian Foster, Gina Goff, Ehtesham Hayder, Chuck Koelbel
Collective communication
  • More than point-to-point operations
Buffering
  • Major cost of communication is data copying
Nonblocking communication
  • Allows concurrency between computation and communication (if hardware permits)
Intercommunicators
Cartesian Grids

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