MPI_Scatter

--- Sends data from one task to all other tasks in a group

Input Parameters

sendbuf: address of send buffer (choice, significant only at root)

sendcount: number of elements sent to each process (integer, significant only at root)

sendtype: data type of send buffer elements (significant only at root) (handle)

recvcount: number of elements in receive buffer (integer)

recvtype: data type of receive buffer elements (handle)

root: rank of sending process (integer)

comm: communicator (handle)

Output Parameter

recvbuf: address of receive buffer (choice)

Synopsis


#include "mpi.h"
int MPI_Scatter ( sendbuf, sendcnt, sendtype, 
    recvbuf, recvcnt, recvtype, 
    root, comm )
void             *sendbuf;
int               sendcnt;
MPI_Datatype      sendtype;
void             *recvbuf;
int               recvcnt;
MPI_Datatype      recvtype;
int               root;
MPI_Comm          comm;

Location: scatter.c