MPI_Alltoall(3)            (9/29/1994)            MPI_Alltoall(3)



     NAME
          MPI_Alltoall - Sends data from all to all processes


     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















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