Separate HTML for Scripted Foil 17 More Complex Datatypes MPI_TYPE

Scripted HTML version of Foils prepared 11 November 1996

Foil 17 More Complex Datatypes MPI_TYPE_VECTOR/INDEXED

From CPS615-Completion of MPI foilset and Application to Jacobi Iteration in 2D Delivered Lectures of CPS615 Basic Simulation Track for Computational Science -- 7 November 96. by Geoffrey C. Fox *

Secs 272.1

MPI_TYPE_VECTOR (count,blocklen,stride,oldtype,newtype,ierr)

IN count Number of blocks to be added
IN blocklen Number of elements in block
IN stride Number of elements (NOT bytes) between start of each block
IN oldtype Datatype of each element
OUT newtype Handle(pointer) for new derived type

MPI_TYPE_INDEXED (count,blocklens,indices,oldtype,newtype,ierr)

IN count Number of blocks to be added
IN blocklens Number of elements in each block -- an array of length count
IN indices Displacements (an array of length count) for each block
IN oldtype Datatype of each element
OUT newtype Handle(pointer) for new derived type

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