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! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
! Copyright by The HDF Group. *
! Copyright by the Board of Trustees of the University of Illinois. *
! All rights reserved. *
! *
! This file is part of HDF5. The full HDF5 copyright notice, including *
! terms governing use, modification, and redistribution, is contained in *
! the files COPYING and Copyright.html. COPYING can be found at the root *
! of the source code distribution tree; Copyright.html can be found at the *
! root level of an installed copy of the electronic HDF5 document set and *
! is linked from the top-level documents page. It can also be found at *
! http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
! access to either file, you may request a copy from help@hdfgroup.org. *
! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
!//////////////////////////////////////////////////////////
! main program for parallel HDF5 Fortran tests
!//////////////////////////////////////////////////////////
program parallel_test
use hdf5
implicit none
include 'mpif.h'
integer :: mpierror ! MPI hdferror flag
integer :: hdferror ! HDF hdferror flag
logical :: do_collective ! use collective MPI I/O
logical :: do_chunk ! use chunking
integer :: nerrors = 0 ! number of errors
integer :: mpi_rank ! rank of the calling process in the communicator
integer :: lenght = 12000 ! lenght of array
!//////////////////////////////////////////////////////////
! initialize MPI
!//////////////////////////////////////////////////////////
call mpi_init(mpierror)
call mpi_comm_rank( MPI_COMM_WORLD, mpi_rank, mpierror )
!//////////////////////////////////////////////////////////
! initialize the HDF5 fortran interface
!//////////////////////////////////////////////////////////
call h5open_f(hdferror)
!//////////////////////////////////////////////////////////
! test write/read dataset by hyperslabs with independent MPI I/O
!//////////////////////////////////////////////////////////
if (mpi_rank == 0) write(*,*) 'Writing/reading dataset by hyperslabs (contiguous layout, independent MPI I/O)'
do_collective = .false.
do_chunk = .false.
call hyper(lenght,do_collective,do_chunk,nerrors)
!//////////////////////////////////////////////////////////
! test write/read dataset by hyperslabs with collective MPI I/O
!//////////////////////////////////////////////////////////
if (mpi_rank == 0) write(*,*) 'Writing/reading dataset by hyperslabs (contiguous layout, collective MPI I/O)'
do_collective = .true.
do_chunk = .false.
call hyper(lenght,do_collective,do_chunk,nerrors)
!//////////////////////////////////////////////////////////
! test write/read dataset by hyperslabs with independent MPI I/O
!//////////////////////////////////////////////////////////
if (mpi_rank == 0) write(*,*) 'Writing/reading dataset by hyperslabs (chunk layout, independent MPI I/O)'
do_collective = .false.
do_chunk = .true.
call hyper(lenght,do_collective,do_chunk,nerrors)
!//////////////////////////////////////////////////////////
! test write/read dataset by hyperslabs with collective MPI I/O
!//////////////////////////////////////////////////////////
if (mpi_rank == 0) write(*,*) 'Writing/reading dataset by hyperslabs (chunk layout, collective MPI I/O)'
do_collective = .true.
do_chunk = .true.
call hyper(lenght,do_collective,do_chunk,nerrors)
!//////////////////////////////////////////////////////////
! test write/read several datasets (independent MPI I/O)
!//////////////////////////////////////////////////////////
if (mpi_rank == 0) write(*,*) 'Writing/reading several datasets (contiguous layout, independent MPI I/O)'
do_collective = .false.
do_chunk = .false.
call multiple_dset_write(lenght,do_collective,do_chunk,nerrors)
!//////////////////////////////////////////////////////////
! close HDF5 interface
!//////////////////////////////////////////////////////////
call h5close_f(hdferror)
!//////////////////////////////////////////////////////////
! close MPI
!//////////////////////////////////////////////////////////
if (nerrors == 0) then
call mpi_finalize(mpierror)
else
write(*,*) 'Errors detected in process ', mpi_rank
call mpi_abort(MPI_COMM_WORLD, 1, mpierror)
endif
!//////////////////////////////////////////////////////////
! end main program
!//////////////////////////////////////////////////////////
end program parallel_test
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