Basic HTML version of Foils prepared 19 September 98

Foil 12 Generalizing the Buffer in MPI

From MPI Message Passing Interface Computational Science for Simulations -- Fall Semester 1998. by Geoffrey C. Fox, Nancy McCracken
1 MPI specifies the buffer by starting address, datatype, and count
  • starting address is obvious
  • datatypes are constructed recursively from
    • Elementary (all C and Fortran datatypes)
    • Contiguous array of datatypes
    • Strided blocks of datatypes
    • Indexed array of blocks of datatypes
    • General structures
  • count is number of datatype elements
in Table To:

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