MPI_Reduce_scatter

Input Parameters

sendbuf

starting address of send buffer (choice)

recvcounts

integer array specifying the number of elements in result distributed to each process. Array must be identical on all calling processes.

datatype

data type of elements of input buffer (handle)

op

operation (handle)

comm

communicator (handle)

Output Parameter

recvbuf

starting address of receive buffer (choice)

Synopsis

#include "mpi.h"
int MPI_Reduce_scatter ( sendbuf, recvbuf, recvcnts, datatype, op, comm )
void             *sendbuf;
void             *recvbuf;
int              *recvcnts;
MPI_Datatype      datatype;
MPI_Op            op;
MPI_Comm          comm;

Location: red_scat.c