e98eae3da6
Corrected the signatures of the collectives used by the Fortran 2008 interface to state correct intent for inout arguments and use the ASYNCHRONOUS attribute in non-blocking collective calls. Also corrected the C-bindings in Fortran accordingly Signed-off-by: Philipp Otte <philipp.j.otte@googlemail.com> (cherry picked from commit e98d794e8b49ca0f6cfac6b36be2528d7ef7ab67)
42 строки
2.1 KiB
Fortran
42 строки
2.1 KiB
Fortran
! -*- f90 -*-
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!
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! Copyright (c) 2009-2013 Cisco Systems, Inc. All rights reserved.
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! Copyright (c) 2009-2012 Los Alamos National Security, LLC.
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! All rights reserved.
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! Copyright (c) 2018 Research Organization for Information Science
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! and Technology (RIST). All rights reserved.
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! $COPYRIGHT$
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#include "ompi/mpi/fortran/configure-fortran-output.h"
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subroutine MPI_Ialltoallw_f08(sendbuf,sendcounts,sdispls,sendtypes,&
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recvbuf,recvcounts,rdispls,recvtypes,comm,request,ierror)
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use :: mpi_f08_types, only : MPI_Datatype, MPI_Comm, MPI_Request
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use :: ompi_mpifh_bindings, only : ompi_ialltoallw_f
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implicit none
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OMPI_FORTRAN_IGNORE_TKR_TYPE, INTENT(IN), ASYNCHRONOUS :: sendbuf
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OMPI_FORTRAN_IGNORE_TKR_TYPE, ASYNCHRONOUS :: recvbuf
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INTEGER, INTENT(IN), ASYNCHRONOUS :: sendcounts(*), sdispls(*), recvcounts(*), rdispls(*)
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TYPE(MPI_Datatype), INTENT(IN), ASYNCHRONOUS :: sendtypes(*)
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TYPE(MPI_Datatype), INTENT(IN), ASYNCHRONOUS :: recvtypes(*)
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TYPE(MPI_Comm), INTENT(IN) :: comm
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TYPE(MPI_Request), INTENT(OUT) :: request
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INTEGER, OPTIONAL, INTENT(OUT) :: ierror
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integer :: c_ierror
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! Note that we pass a scalar here for both the sendtypes and
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! recvtypes arguments, even though the real Alltoallw function
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! expects an array of integers. This is a hack: we know that
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! [send|recv]types(1)%MPI_VAL will pass the address of the first
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! integer in the array of Type(MPI_Datatype) derived types. And
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! since Type(MPI_Datatype) are exactly memory-equivalent to a
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! single INTEGER, passing the address of the first one is the same
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! as passing the address to an array of integers. To be clear: the
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! back-end ompi_alltoallw_f is expecting a pointer to an array of
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! integers. So it all works out (but is a hack :-\ ).
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call ompi_ialltoallw_f(sendbuf,sendcounts,sdispls,sendtypes(1)%MPI_VAL,&
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recvbuf,recvcounts,rdispls,recvtypes(1)%MPI_VAL,comm%MPI_VAL,request%MPI_VAL,c_ierror)
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if (present(ierror)) ierror = c_ierror
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end subroutine MPI_Ialltoallw_f08
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