MPI_Allgatherv

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)

recvcounts

integer array (of length group size) containing the number of elements that are received from each process

displs

integer array (of length group size). Entry i specifies the displacement (relative to recvbuf ) at which to place the incoming data from process i

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_Allgatherv ( sendbuf, sendcount,  sendtype, 
                     recvbuf, recvcounts, displs,   recvtype, comm )
void             *sendbuf;
int               sendcount;
MPI_Datatype      sendtype;
void             *recvbuf;
int              *recvcounts;
int              *displs;
MPI_Datatype      recvtype;
MPI_Comm          comm;

Location: allgatherv.c