write string, only from one MPI process

needed to store simulation setup. I don't see a situation where strings
are distributed over multiple processes
This commit is contained in:
Martin Diehl 2021-07-26 22:39:23 +02:00
parent 2be24351e5
commit 58c1f5fdc1
1 changed files with 33 additions and 1 deletions

View File

@ -85,6 +85,7 @@ module HDF5_utilities
HDF5_utilities_init, &
HDF5_read, &
HDF5_write, &
HDF5_write_str, &
HDF5_addAttribute, &
HDF5_addGroup, &
HDF5_openGroup, &
@ -1467,6 +1468,37 @@ subroutine HDF5_write_real7(dataset,loc_id,datasetName,parallel)
end subroutine HDF5_write_real7
subroutine HDF5_write_str(dataset,loc_id,datasetName)
character(len=*), intent(in) :: dataset
integer(HID_T), intent(in) :: loc_id
character(len=*), intent(in) :: datasetName !< name of the dataset in the file
INTEGER(HID_T) :: filetype_id, space_id, dataset_id
INTEGER :: hdferr
character(len=len_trim(dataset)+1,kind=C_CHAR), dimension(1), target :: dataset_
type(C_PTR), target, dimension(1) :: ptr
dataset_(1) = trim(dataset)//C_NULL_CHAR
ptr(1) = c_loc(dataset_(1))
call h5tcopy_f(H5T_STRING, filetype_id, hdferr)
call h5tset_size_f(filetype_id, int(len(dataset_),HSIZE_T), hdferr)
call h5screate_f(H5S_SCALAR_F, space_id, hdferr)
call h5dcreate_f(loc_id, datasetName, H5T_STRING, space_id, dataset_id, hdferr)
call h5dwrite_f(dataset_id, H5T_STRING, c_loc(ptr), hdferr);
call h5dclose_f(dataset_id, hdferr)
call h5sclose_f(space_id, hdferr)
call h5tclose_f(filetype_id, hdferr)
end subroutine HDF5_write_str
!--------------------------------------------------------------------------------------------------
!> @brief write dataset of type integer with 1 dimension
!--------------------------------------------------------------------------------------------------
@ -1872,7 +1904,7 @@ subroutine initialize_write(dset_id, filespace_id, memspace_id, plist_id, &
integer(HSIZE_T), parameter :: chunkSize = 1024_HSIZE_T**2/8_HSIZE_T
!-------------------------------------------------------------------------------------------------
! creating a property list for transfer properties (is collective when reading in parallel)
! creating a property list for transfer properties (is collective when writing in parallel)
call h5pcreate_f(H5P_DATASET_XFER_F, plist_id, hdferr)
if(hdferr < 0) error stop 'HDF5 error'
#ifdef PETSC