SYNTAX

C Syntax

int MPI_Alltoallw(const void* sendbuf, const int sendcounts[], const
    int sdispls[], const MPI_Datatype sendtypes[], void* recvbuf,
    const int recvcounts[], const int rdispls[], const MPI_Datatype
    recvtypes[], MPI_Comm comm)

int MPI_Alltoallw_c(const void* sendbuf, const MPI_Count
    sendcounts[], const MPI_Aint sdispls[], const MPI_Datatype
    sendtypes[], void* recvbuf, const MPI_Count recvcounts[], const
    MPI_Aint rdispls[], const MPI_Datatype recvtypes[], MPI_Comm
    comm)

int MPI_Ialltoallw(const void* sendbuf, const int sendcounts[],
    const int sdispls[], const MPI_Datatype sendtypes[], void*
    recvbuf, const int recvcounts[], const int rdispls[], const
    MPI_Datatype recvtypes[], MPI_Comm comm, MPI_Request* request)

int MPI_Ialltoallw_c(const void* sendbuf, const MPI_Count
    sendcounts[], const MPI_Aint sdispls[], const MPI_Datatype
    sendtypes[], void* recvbuf, const MPI_Count recvcounts[], const
    MPI_Aint rdispls[], const MPI_Datatype recvtypes[], MPI_Comm
    comm, MPI_Request* request)

int MPI_Alltoallw_init(const void* sendbuf, const int sendcounts[],
    const int sdispls[], const MPI_Datatype sendtypes[], void*
    recvbuf, const int recvcounts[], const int rdispls[], const
    MPI_Datatype recvtypes[], MPI_Comm comm, MPI_Info info,
    MPI_Request* request)

int MPI_Alltoallw_init_c(const void* sendbuf, const MPI_Count
    sendcounts[], const MPI_Aint sdispls[], const MPI_Datatype
    sendtypes[], void* recvbuf, const MPI_Count recvcounts[], const
    MPI_Aint rdispls[], const MPI_Datatype recvtypes[], MPI_Comm
    comm, MPI_Info info, MPI_Request* request)

Fortran Syntax

USE MPI
! or the older form: INCLUDE 'mpif.h'
MPI_ALLTOALLW(SENDBUF, SENDCOUNTS, SDISPLS, SENDTYPES, RECVBUF, RECVCOUNTS, RDISPLS, RECVTYPES, COMM, IERROR)
    <type> SENDBUF(*), RECVBUF(*)
    INTEGER SENDCOUNTS(*), SDISPLS(*), SENDTYPES(*), RECVCOUNTS(*), RDISPLS(*), RECVTYPES(*), COMM, IERROR

MPI_IALLTOALLW(SENDBUF, SENDCOUNTS, SDISPLS, SENDTYPES, RECVBUF, RECVCOUNTS, RDISPLS, RECVTYPES, COMM, REQUEST, IERROR)
    <type> SENDBUF(*), RECVBUF(*)
    INTEGER SENDCOUNTS(*), SDISPLS(*), SENDTYPES(*), RECVCOUNTS(*), RDISPLS(*), RECVTYPES(*), COMM, REQUEST, IERROR

MPI_ALLTOALLW_INIT(SENDBUF, SENDCOUNTS, SDISPLS, SENDTYPES, RECVBUF, RECVCOUNTS, RDISPLS, RECVTYPES, COMM, INFO, REQUEST, IERROR)
    <type> SENDBUF(*), RECVBUF(*)
    INTEGER SENDCOUNTS(*), SDISPLS(*), SENDTYPES(*), RECVCOUNTS(*), RDISPLS(*), RECVTYPES(*), COMM, INFO, REQUEST, IERROR

Fortran 2008 Syntax

USE mpi_f08
MPI_Alltoallw(sendbuf, sendcounts, sdispls, sendtypes, recvbuf, recvcounts, rdispls, recvtypes, comm, ierror)
    TYPE(*), DIMENSION(..), INTENT(IN) :: sendbuf
    INTEGER, INTENT(IN) :: sendcounts(*), sdispls(*), recvcounts(*), rdispls(*)
    TYPE(MPI_Datatype), INTENT(IN) :: sendtypes(*), recvtypes(*)
    TYPE(*), DIMENSION(..) :: recvbuf
    TYPE(MPI_Comm), INTENT(IN) :: comm
    INTEGER, OPTIONAL, INTENT(OUT) :: ierror

MPI_Alltoallw(sendbuf, sendcounts, sdispls, sendtypes, recvbuf, recvcounts, rdispls, recvtypes, comm, ierror)
    TYPE(*), DIMENSION(..), INTENT(IN) :: sendbuf
    INTEGER(KIND=MPI_COUNT_KIND), INTENT(IN) :: sendcounts(*), recvcounts(*)
    INTEGER(KIND=MPI_ADDRESS_KIND), INTENT(IN) :: sdispls(*), rdispls(*)
    TYPE(MPI_Datatype), INTENT(IN) :: sendtypes(*), recvtypes(*)
    TYPE(*), DIMENSION(..) :: recvbuf
    TYPE(MPI_Comm), INTENT(IN) :: comm
    INTEGER, OPTIONAL, INTENT(OUT) :: ierror

MPI_Ialltoallw(sendbuf, sendcounts, sdispls, sendtypes, recvbuf, recvcounts, rdispls, recvtypes, comm, request, ierror)
    TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: sendbuf
    INTEGER, INTENT(IN), ASYNCHRONOUS :: sendcounts(*), sdispls(*), recvcounts(*), rdispls(*)
    TYPE(MPI_Datatype), INTENT(IN), ASYNCHRONOUS :: sendtypes(*), recvtypes(*)
    TYPE(*), DIMENSION(..), ASYNCHRONOUS :: recvbuf
    TYPE(MPI_Comm), INTENT(IN) :: comm
    TYPE(MPI_Request), INTENT(OUT) :: request
    INTEGER, OPTIONAL, INTENT(OUT) :: ierror

MPI_Ialltoallw(sendbuf, sendcounts, sdispls, sendtypes, recvbuf, recvcounts, rdispls, recvtypes, comm, request, ierror)
    TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: sendbuf
    INTEGER(KIND=MPI_COUNT_KIND), INTENT(IN), ASYNCHRONOUS :: sendcounts(*), recvcounts(*)
    INTEGER(KIND=MPI_ADDRESS_KIND), INTENT(IN), ASYNCHRONOUS :: sdispls(*), rdispls(*)
    TYPE(MPI_Datatype), INTENT(IN), ASYNCHRONOUS :: sendtypes(*), recvtypes(*)
    TYPE(*), DIMENSION(..), ASYNCHRONOUS :: recvbuf
    TYPE(MPI_Comm), INTENT(IN) :: comm
    TYPE(MPI_Request), INTENT(OUT) :: request
    INTEGER, OPTIONAL, INTENT(OUT) :: ierror

MPI_Alltoallw_init(sendbuf, sendcounts, sdispls, sendtypes, recvbuf, recvcounts, rdispls, recvtypes, comm, info, request, ierror)
    TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: sendbuf
    INTEGER, INTENT(IN), ASYNCHRONOUS :: sendcounts(*), sdispls(*), recvcounts(*), rdispls(*)
    TYPE(MPI_Datatype), INTENT(IN), ASYNCHRONOUS :: sendtypes(*), recvtypes(*)
    TYPE(*), DIMENSION(..), ASYNCHRONOUS :: recvbuf
    TYPE(MPI_Comm), INTENT(IN) :: comm
    TYPE(MPI_Info), INTENT(IN) :: info
    TYPE(MPI_Request), INTENT(OUT) :: request
    INTEGER, OPTIONAL, INTENT(OUT) :: ierror

MPI_Alltoallw_init(sendbuf, sendcounts, sdispls, sendtypes, recvbuf, recvcounts, rdispls, recvtypes, comm, info, request, ierror)
    TYPE(*), DIMENSION(..), INTENT(IN), ASYNCHRONOUS :: sendbuf
    INTEGER(KIND=MPI_COUNT_KIND), INTENT(IN), ASYNCHRONOUS :: sendcounts(*), recvcounts(*)
    INTEGER(KIND=MPI_ADDRESS_KIND), INTENT(IN), ASYNCHRONOUS :: sdispls(*), rdispls(*)
    TYPE(MPI_Datatype), INTENT(IN), ASYNCHRONOUS :: sendtypes(*), recvtypes(*)
    TYPE(*), DIMENSION(..), ASYNCHRONOUS :: recvbuf
    TYPE(MPI_Comm), INTENT(IN) :: comm
    TYPE(MPI_Info), INTENT(IN) :: info
    TYPE(MPI_Request), INTENT(OUT) :: request
    INTEGER, OPTIONAL, INTENT(OUT) :: ierror