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https://github.com/HDFGroup/hdf5.git
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664fc34c33
Purpose: Maintenance
Description: h5dwrite/read_f and h5awrite_read_f functions were overloaded
with dims argument being of type INTEGER and INTEGER(HSIZE_T).
We promised to remove overloading in 1.4 release. It was
removed from documentation but not from the source code.
Solution: Finish code cleanup.
Platforms tested: Solaris 2.7 32 and 64 bit, and copper with --enable-
parallel. Windows are broken, so Kent and Xuan
will test it with their changes later.
Misc. update:
248 lines
8.9 KiB
Fortran
248 lines
8.9 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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!
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! This test writes/reads dataset by hyperslabs collectively.
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SUBROUTINE dataset_wr_by_hyperslabs(cleanup, total_error)
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USE THDF5
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IMPLICIT NONE
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LOGICAL, INTENT(IN) :: cleanup
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INTEGER, INTENT(OUT) :: total_error
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CHARACTER(LEN=8), PARAMETER :: filename = "par_sdsf" ! File name
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CHARACTER(LEN=80) :: fix_filename
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CHARACTER(LEN=8), PARAMETER :: dsetname = "IntArray" ! Dataset name
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INTEGER(HID_T) :: file_id ! File identifier
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INTEGER(HID_T) :: dset_id ! Dataset identifier
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INTEGER(HID_T) :: filespace ! Dataspace identifier in file
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INTEGER(HID_T) :: memspace ! Dataspace identifier in memory
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INTEGER(HID_T) :: plac_id ! Property list identifier
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INTEGER(HID_T) :: plxfer_id ! Property list identifier
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INTEGER(HSIZE_T), DIMENSION(2) :: dimsf = (/DIM1,DIM2/) ! Dataset dimensions.
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INTEGER(HSIZE_T), DIMENSION(2) :: count
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INTEGER(HSIZE_T), DIMENSION(2) :: offset
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INTEGER, ALLOCATABLE :: data (:,:) ! Data to write
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INTEGER, ALLOCATABLE :: data_out (:,:) ! Buffer to store data
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INTEGER :: rank = 2 ! Dataset rank
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INTEGER :: i, j
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INTEGER(HSIZE_T), DIMENSION(2) :: dims
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INTEGER :: error ! Error flag
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!
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! MPI definitions and calls.
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!
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INTEGER :: mpierror ! MPI error flag
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INTEGER :: comm, info
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INTEGER :: mpi_size, mpi_rank
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comm = MPI_COMM_WORLD
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info = MPI_INFO_NULL
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CALL MPI_COMM_SIZE(comm, mpi_size, mpierror)
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CALL MPI_COMM_RANK(comm, mpi_rank, mpierror)
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!
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! Setup file access property list with parallel I/O access.
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!
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CALL h5pcreate_f(H5P_FILE_ACCESS_F, plac_id, error)
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CALL check("h5pcreate_f", error, total_error)
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CALL h5pset_fapl_mpio_f(plac_id, comm, info, error)
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CALL check("h5pset_fapl_mpio_f", error, total_error)
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CALL h5_fixname_f(filename, fix_filename, plac_id, error)
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!
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! Create the file collectively.
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!
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CALL h5fcreate_f(fix_filename, H5F_ACC_TRUNC_F, file_id, error, access_prp = plac_id)
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CALL check("h5fcreate_f", error, total_error)
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CALL h5pclose_f(plac_id, error)
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CALL check("h5pclose_f", error, total_error)
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!
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! Create the data space for the dataset.
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!
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CALL h5screate_simple_f(rank, dimsf, filespace, error)
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CALL check("h5screate_simple_f", error, total_error)
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!
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! Create the dataset with default properties.
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!
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CALL h5dcreate_f(file_id, dsetname, H5T_NATIVE_INTEGER, filespace, &
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dset_id, error)
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CALL check("h5dcreate_f", error, total_error)
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CALL h5sclose_f(filespace, error)
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CALL check("h5sclose_f", error, total_error)
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!
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! Each process defines dataset in memory and writes it to the hyperslab
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! in the file.
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!
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count(1) = dimsf(1)
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count(2) = dimsf(2)/mpi_size
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offset(1) = 0
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offset(2) = mpi_rank * count(2)
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CALL h5screate_simple_f(rank, count, memspace, error)
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CALL check("h5screate_simple_f", error, total_error)
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!
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! Select hyperslab in the file.
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!
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CALL h5dget_space_f(dset_id, filespace, error)
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CALL check("h5dget_space_f", error, total_error)
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CALL h5sselect_hyperslab_f (filespace, H5S_SELECT_SET_F, offset, count, error)
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CALL check("h5sselect_hyperslab_f", error, total_error)
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!
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! Initialize data buffer with trivial data.
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!
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ALLOCATE ( data(count(1),count(2)))
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dims(1) = count(1)
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dims(2) = count(2)
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data = mpi_rank + 10
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!
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! Create property list for collective dataset write
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!
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CALL h5pcreate_f(H5P_DATASET_XFER_F, plxfer_id, error)
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CALL check("h5pcreate_f", error, total_error)
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CALL h5pset_dxpl_mpio_f(plxfer_id, H5FD_MPIO_COLLECTIVE_F, error)
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CALL check("h5pset_dxpl_mpio_f", error, total_error)
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!
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! Write the dataset collectively.
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!
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CALL h5dwrite_f(dset_id, H5T_NATIVE_INTEGER, data, dims, error, &
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file_space_id = filespace, mem_space_id = memspace, xfer_prp = plxfer_id)
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CALL check("h5dwrite_f", error, total_error)
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!
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! Deallocate data buffer.
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!
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DEALLOCATE(data)
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!
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! Close dataspaces.
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!
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CALL h5sclose_f(filespace, error)
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CALL check("h5sclose_f", error, total_error)
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CALL h5sclose_f(memspace, error)
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CALL check("h5sclose_f", error, total_error)
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!
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! Close the dataset.
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!
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CALL h5dclose_f(dset_id, error)
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CALL check("h5dclose_f", error, total_error)
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CALL h5pclose_f(plxfer_id, error)
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CALL check("h5pclose_f", error, total_error)
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!
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! Close the file.
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!
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CALL h5fclose_f(file_id, error)
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CALL check("h5fclose_f", error, total_error)
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!
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! Reopen the file with || access.
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!
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CALL h5pcreate_f(H5P_FILE_ACCESS_F, plac_id, error)
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CALL check("h5pcreate_f", error, total_error)
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CALL h5pset_fapl_mpio_f(plac_id, comm, info, error)
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CALL check("h5pset_fapl_mpio_f", error, total_error)
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CALL h5fopen_f(fix_filename, H5F_ACC_RDWR_F, file_id, error, plac_id)
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CALL check("h5fopen_f", error, total_error)
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!
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! Open dataset.
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!
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CALL h5dopen_f(file_id, dsetname, dset_id, error)
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CALL check("h5dopen_f", error, total_error)
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!
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! Each process defines dataset in memory and reads hyperslab
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! from the file.
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!
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count(1) = dimsf(1)
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count(2) = dimsf(2)/mpi_size
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offset(1) = 0
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offset(2) = mpi_rank * count(2)
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CALL h5screate_simple_f(rank, count, memspace, error)
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CALL check("h5screate_simple_f", error, total_error)
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!
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! Select hyperslab in the file.
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!
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CALL h5dget_space_f(dset_id, filespace, error)
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CALL check("h5dget_space_f", error, total_error)
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CALL h5sselect_hyperslab_f (filespace, H5S_SELECT_SET_F, offset, count, error)
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CALL check("h5sselect_hyperslab_f", error, total_error)
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!
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! Allocate data buffer.
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!
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ALLOCATE ( data(count(1),count(2)))
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ALLOCATE ( data_out(count(1),count(2)))
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data = mpi_rank + 10
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!
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! Create property list for collective dataset write
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!
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CALL h5pcreate_f(H5P_DATASET_XFER_F, plxfer_id, error)
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CALL check("h5pcreate_f", error, total_error)
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CALL h5pset_dxpl_mpio_f(plxfer_id, H5FD_MPIO_COLLECTIVE_F, error)
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CALL check("h5pset_dxpl_mpio_f", error, total_error)
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!
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! Write the dataset collectively.
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!
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CALL h5dread_f(dset_id, H5T_NATIVE_INTEGER, data_out, dims, error, &
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file_space_id = filespace, mem_space_id = memspace, xfer_prp = plxfer_id)
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CALL check("h5dread_f", error, total_error)
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do j = 1, count(2)
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do i = 1, count(1)
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if( data(i,j) .ne. data_out(i,j)) then
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total_error = total_error + 1
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goto 100
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endif
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enddo
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enddo
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100 continue
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!
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! Deallocate data buffer.
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!
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DEALLOCATE(data)
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DEALLOCATE(data_out)
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!
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! Close dataspaces.
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!
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CALL h5sclose_f(filespace, error)
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CALL check("h5sclose_f", error, total_error)
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CALL h5sclose_f(memspace, error)
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CALL check("h5sclose_f", error, total_error)
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!
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! Close property list.
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!
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CALL h5pclose_f(plxfer_id, error)
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CALL check("h5pclose_f", error, total_error)
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!
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! Close dataset.
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!
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CALL h5dclose_f(dset_id, error)
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CALL check("h5dclose_f", error, total_error)
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!
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! Close the file.
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!
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CALL h5fclose_f(file_id, error)
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CALL check("h5fclose_f", error, total_error)
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if(cleanup) CALL h5_cleanup_f(filename, plac_id, error)
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CALL check("h5_cleanup_f", error, total_error)
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CALL h5pclose_f(plac_id, error)
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CALL check("h5pclose_f", error, total_error)
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RETURN
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END SUBROUTINE dataset_wr_by_hyperslabs
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