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https://github.com/HDFGroup/hdf5.git
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2e6769592d
new fortran parallel test Description: added a test that writes and reads several datasets Solution: Platforms tested: linux (intel compiler, tungsten) AIX (copper) Misc. update:
119 lines
4.7 KiB
Fortran
119 lines
4.7 KiB
Fortran
! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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! Copyright by the Board of Trustees of the University of Illinois. *
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! All rights reserved. *
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! *
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! This file is part of HDF5. The full HDF5 copyright notice, including *
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! terms governing use, modification, and redistribution, is contained in *
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! the files COPYING and Copyright.html. COPYING can be found at the root *
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! of the source code distribution tree; Copyright.html can be found at the *
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! root level of an installed copy of the electronic HDF5 document set and *
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! is linked from the top-level documents page. It can also be found at *
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! http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
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! access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
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! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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!//////////////////////////////////////////////////////////
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! main program for parallel HDF5 Fortran tests
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!//////////////////////////////////////////////////////////
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program parallel_test
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use hdf5
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implicit none
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include 'mpif.h'
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integer :: mpierror ! MPI hdferror flag
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integer :: hdferror ! HDF hdferror flag
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logical :: do_collective ! use collective MPI I/O
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logical :: do_chunk ! use chunking
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integer :: nerrors = 0 ! number of errors
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integer :: mpi_rank ! rank of the calling process in the communicator
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integer :: lenght = 12000 ! lenght of array
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!//////////////////////////////////////////////////////////
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! initialize MPI
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!//////////////////////////////////////////////////////////
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call mpi_init(mpierror)
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call mpi_comm_rank( MPI_COMM_WORLD, mpi_rank, mpierror )
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!//////////////////////////////////////////////////////////
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! initialize the HDF5 fortran interface
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!//////////////////////////////////////////////////////////
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call h5open_f(hdferror)
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!//////////////////////////////////////////////////////////
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! test write/read dataset by hyperslabs with independent MPI I/O
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!//////////////////////////////////////////////////////////
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if (mpi_rank == 0) write(*,*) 'Writing/reading dataset by hyperslabs (contiguous layout, independent MPI I/O)'
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do_collective = .false.
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do_chunk = .false.
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call hyper(lenght,do_collective,do_chunk,nerrors)
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!//////////////////////////////////////////////////////////
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! test write/read dataset by hyperslabs with collective MPI I/O
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!//////////////////////////////////////////////////////////
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if (mpi_rank == 0) write(*,*) 'Writing/reading dataset by hyperslabs (contiguous layout, collective MPI I/O)'
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do_collective = .true.
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do_chunk = .false.
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call hyper(lenght,do_collective,do_chunk,nerrors)
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!//////////////////////////////////////////////////////////
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! test write/read dataset by hyperslabs with independent MPI I/O
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!//////////////////////////////////////////////////////////
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if (mpi_rank == 0) write(*,*) 'Writing/reading dataset by hyperslabs (chunk layout, independent MPI I/O)'
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do_collective = .false.
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do_chunk = .true.
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call hyper(lenght,do_collective,do_chunk,nerrors)
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!//////////////////////////////////////////////////////////
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! test write/read dataset by hyperslabs with collective MPI I/O
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!//////////////////////////////////////////////////////////
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if (mpi_rank == 0) write(*,*) 'Writing/reading dataset by hyperslabs (chunk layout, collective MPI I/O)'
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do_collective = .true.
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do_chunk = .true.
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call hyper(lenght,do_collective,do_chunk,nerrors)
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!//////////////////////////////////////////////////////////
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! test write/read several datasets (independent MPI I/O)
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!//////////////////////////////////////////////////////////
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if (mpi_rank == 0) write(*,*) 'Writing/reading several datasets (contiguous layout, independent MPI I/O)'
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do_collective = .false.
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do_chunk = .false.
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call multiple_dset_write(lenght,do_collective,do_chunk,nerrors)
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!//////////////////////////////////////////////////////////
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! close HDF5 interface
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!//////////////////////////////////////////////////////////
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call h5close_f(hdferror)
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!//////////////////////////////////////////////////////////
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! close MPI
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!//////////////////////////////////////////////////////////
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if (nerrors == 0) then
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call mpi_finalize(mpierror)
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else
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write(*,*) 'Errors detected in process ', mpi_rank
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call mpi_abort(MPI_COMM_WORLD, 1, mpierror)
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endif
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!//////////////////////////////////////////////////////////
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! end main program
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!//////////////////////////////////////////////////////////
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end program parallel_test
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