MPI_Alltoall

Input Parameters

sendbuf

starting address of send buffer (choice)

sendcount

number of elements in send buffer (integer)

sendtype

data type of send buffer elements (handle)

recvcount

number of elements received from any process (integer)

recvtype

data type of receive buffer elements (handle)

comm

communicator (handle)

Output Parameter

recvbuf

address of receive buffer (choice)

Synopsis

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

Location: alltoall.c