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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Test parallel HDF5 basic components
*/
#include "testphdf5.h"
/*-------------------------------------------------------------------------
* Function: test_fapl_mpio_dup
*
* Purpose: Test if fapl_mpio property list keeps a duplicate of the
* communicator and INFO objects given when set; and returns
* duplicates of its components when H5Pget_fapl_mpio is called.
*
* Return: Success: None
* Failure: Abort
*-------------------------------------------------------------------------
*/
void
test_fapl_mpio_dup(void)
{
int mpi_size, mpi_rank;
MPI_Comm comm, comm_tmp;
int mpi_size_old, mpi_rank_old;
int mpi_size_tmp, mpi_rank_tmp;
MPI_Info info = MPI_INFO_NULL;
MPI_Info info_tmp = MPI_INFO_NULL;
int mrc; /* MPI return value */
hid_t acc_pl; /* File access properties */
herr_t ret; /* HDF5 return value */
int nkeys, nkeys_tmp;
if (VERBOSE_MED)
printf("Verify fapl_mpio duplicates communicator and INFO objects\n");
/* set up MPI parameters */
MPI_Comm_size(MPI_COMM_WORLD, &mpi_size);
MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank);
if (VERBOSE_MED)
printf("rank/size of MPI_COMM_WORLD are %d/%d\n", mpi_rank, mpi_size);
/* Create a new communicator that has the same processes as MPI_COMM_WORLD.
* Use MPI_Comm_split because it is simpler than MPI_Comm_create
*/
mrc = MPI_Comm_split(MPI_COMM_WORLD, 0, 0, &comm);
VRFY((mrc == MPI_SUCCESS), "MPI_Comm_split");
MPI_Comm_size(comm, &mpi_size_old);
MPI_Comm_rank(comm, &mpi_rank_old);
if (VERBOSE_MED)
printf("rank/size of comm are %d/%d\n", mpi_rank_old, mpi_size_old);
/* create a new INFO object with some trivial information. */
mrc = MPI_Info_create(&info);
VRFY((mrc == MPI_SUCCESS), "MPI_Info_create");
mrc = MPI_Info_set(info, "hdf_info_name", "XYZ");
VRFY((mrc == MPI_SUCCESS), "MPI_Info_set");
if (MPI_INFO_NULL != info) {
mrc = MPI_Info_get_nkeys(info, &nkeys);
VRFY((mrc == MPI_SUCCESS), "MPI_Info_get_nkeys");
}
if (VERBOSE_MED)
h5_dump_info_object(info);
acc_pl = H5Pcreate(H5P_FILE_ACCESS);
VRFY((acc_pl >= 0), "H5P_FILE_ACCESS");
ret = H5Pset_fapl_mpio(acc_pl, comm, info);
VRFY((ret >= 0), "");
/* Case 1:
* Free the created communicator and INFO object.
* Check if the access property list is still valid and can return
* valid communicator and INFO object.
*/
mrc = MPI_Comm_free(&comm);
VRFY((mrc == MPI_SUCCESS), "MPI_Comm_free");
if (MPI_INFO_NULL != info) {
mrc = MPI_Info_free(&info);
VRFY((mrc == MPI_SUCCESS), "MPI_Info_free");
}
ret = H5Pget_fapl_mpio(acc_pl, &comm_tmp, &info_tmp);
VRFY((ret >= 0), "H5Pget_fapl_mpio");
MPI_Comm_size(comm_tmp, &mpi_size_tmp);
MPI_Comm_rank(comm_tmp, &mpi_rank_tmp);
if (VERBOSE_MED)
printf("After H5Pget_fapl_mpio: rank/size of comm are %d/%d\n", mpi_rank_tmp, mpi_size_tmp);
VRFY((mpi_size_tmp == mpi_size), "MPI_Comm_size");
VRFY((mpi_rank_tmp == mpi_rank), "MPI_Comm_rank");
if (MPI_INFO_NULL != info_tmp) {
mrc = MPI_Info_get_nkeys(info_tmp, &nkeys_tmp);
VRFY((mrc == MPI_SUCCESS), "MPI_Info_get_nkeys");
VRFY((nkeys_tmp == nkeys), "new and old nkeys equal");
}
if (VERBOSE_MED)
h5_dump_info_object(info_tmp);
/* Case 2:
* Free the retrieved communicator and INFO object.
* Check if the access property list is still valid and can return
* valid communicator and INFO object.
* Also verify the NULL argument option.
*/
mrc = MPI_Comm_free(&comm_tmp);
VRFY((mrc == MPI_SUCCESS), "MPI_Comm_free");
if (MPI_INFO_NULL != info_tmp) {
mrc = MPI_Info_free(&info_tmp);
VRFY((mrc == MPI_SUCCESS), "MPI_Info_free");
}
/* check NULL argument options. */
ret = H5Pget_fapl_mpio(acc_pl, &comm_tmp, NULL);
VRFY((ret >= 0), "H5Pget_fapl_mpio Comm only");
mrc = MPI_Comm_free(&comm_tmp);
VRFY((mrc == MPI_SUCCESS), "MPI_Comm_free");
ret = H5Pget_fapl_mpio(acc_pl, NULL, &info_tmp);
VRFY((ret >= 0), "H5Pget_fapl_mpio Info only");
if (MPI_INFO_NULL != info_tmp) {
mrc = MPI_Info_free(&info_tmp);
VRFY((mrc == MPI_SUCCESS), "MPI_Info_free");
}
ret = H5Pget_fapl_mpio(acc_pl, NULL, NULL);
VRFY((ret >= 0), "H5Pget_fapl_mpio neither");
/* now get both and check validity too. */
/* Do not free the returned objects which are used in the next case. */
ret = H5Pget_fapl_mpio(acc_pl, &comm_tmp, &info_tmp);
VRFY((ret >= 0), "H5Pget_fapl_mpio");
MPI_Comm_size(comm_tmp, &mpi_size_tmp);
MPI_Comm_rank(comm_tmp, &mpi_rank_tmp);
if (VERBOSE_MED)
printf("After second H5Pget_fapl_mpio: rank/size of comm are %d/%d\n", mpi_rank_tmp, mpi_size_tmp);
VRFY((mpi_size_tmp == mpi_size), "MPI_Comm_size");
VRFY((mpi_rank_tmp == mpi_rank), "MPI_Comm_rank");
if (MPI_INFO_NULL != info_tmp) {
mrc = MPI_Info_get_nkeys(info_tmp, &nkeys_tmp);
VRFY((mrc == MPI_SUCCESS), "MPI_Info_get_nkeys");
VRFY((nkeys_tmp == nkeys), "new and old nkeys equal");
}
if (VERBOSE_MED)
h5_dump_info_object(info_tmp);
/* Case 3:
* Close the property list and verify the retrieved communicator and INFO
* object are still valid.
*/
H5Pclose(acc_pl);
MPI_Comm_size(comm_tmp, &mpi_size_tmp);
MPI_Comm_rank(comm_tmp, &mpi_rank_tmp);
if (VERBOSE_MED)
printf("After Property list closed: rank/size of comm are %d/%d\n", mpi_rank_tmp, mpi_size_tmp);
if (MPI_INFO_NULL != info_tmp) {
mrc = MPI_Info_get_nkeys(info_tmp, &nkeys_tmp);
VRFY((mrc == MPI_SUCCESS), "MPI_Info_get_nkeys");
}
if (VERBOSE_MED)
h5_dump_info_object(info_tmp);
/* clean up */
mrc = MPI_Comm_free(&comm_tmp);
VRFY((mrc == MPI_SUCCESS), "MPI_Comm_free");
if (MPI_INFO_NULL != info_tmp) {
mrc = MPI_Info_free(&info_tmp);
VRFY((mrc == MPI_SUCCESS), "MPI_Info_free");
}
} /* end test_fapl_mpio_dup() */
/*-------------------------------------------------------------------------
* Function: test_get_dxpl_mpio
*
* Purpose: Test that H5Pget_dxpl_mpio will properly return the data
* transfer mode of collective and independent I/O access
* after setting it and writing some data.
*
* Return: Success: None
* Failure: Abort
*-------------------------------------------------------------------------
*/
void
test_get_dxpl_mpio(void)
{
hid_t fid = H5I_INVALID_HID;
hid_t sid = H5I_INVALID_HID;
hid_t did = H5I_INVALID_HID;
hid_t fapl = H5I_INVALID_HID;
hid_t dxpl = H5I_INVALID_HID;
H5FD_mpio_xfer_t xfer_mode;
hsize_t dims[2] = {100, 100};
hsize_t i, j;
int *data = NULL;
int mpi_rank, mpi_size;
const char *filename;
herr_t ret;
if (VERBOSE_MED)
printf("Verify get_dxpl_mpio correctly gets the data transfer mode"
"set in the data transfer property list after a write\n");
/* Set up MPI for VRFY macro */
MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank);
MPI_Comm_size(MPI_COMM_WORLD, &mpi_size);
/* Initialize data array */
data = malloc(100 * 100 * sizeof(*data));
VRFY((data != NULL), "Data buffer initialized properly");
/* Create parallel fapl */
fapl = create_faccess_plist(MPI_COMM_WORLD, MPI_INFO_NULL, FACC_MPIO);
VRFY((fapl >= 0), "Fapl creation succeeded");
/* Create a file */
filename = (const char *)GetTestParameters();
fid = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl);
VRFY((fid >= 0), "H5Fcreate succeeded");
/* Create a dataset */
sid = H5Screate_simple(2, dims, NULL);
VRFY((sid >= 0), "H5Screate succeeded");
did = H5Dcreate2(fid, "dset", H5T_NATIVE_INT, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
VRFY((did >= 0), "H5Dcreate2 succeeded");
/* Use collective I/O access */
dxpl = H5Pcreate(H5P_DATASET_XFER);
VRFY((dxpl >= 0), "H5Pcreate succeeded");
ret = H5Pset_dxpl_mpio(dxpl, H5FD_MPIO_COLLECTIVE);
VRFY((ret >= 0), "H5Pset_dxpl_mpio set to collective succeeded");
/* Write some data */
for (i = 0; i < dims[0]; i++)
for (j = 0; j < dims[1]; j++)
data[(i * 100) + j] = (int)(i + (i * j) + j);
ret = H5Dwrite(did, H5T_NATIVE_INT, sid, sid, dxpl, data);
VRFY((ret >= 0), "H5Dwrite succeeded");
/* Check to make sure the property is still correct */
ret = H5Pget_dxpl_mpio(dxpl, &xfer_mode);
VRFY((ret >= 0), "H5Pget_dxpl_mpio succeeded");
VRFY((xfer_mode == H5FD_MPIO_COLLECTIVE), "Xfer_mode retrieved"
" successfully");
/* Read the data */
ret = H5Dread(did, H5T_NATIVE_INT, sid, sid, dxpl, data);
VRFY((ret >= 0), "H5Dread succeeded");
/* Check to make sure the property is still correct */
ret = H5Pget_dxpl_mpio(dxpl, &xfer_mode);
VRFY((ret >= 0), "H5Pget_dxpl_mpio succeeded");
VRFY((xfer_mode == H5FD_MPIO_COLLECTIVE), "Xfer_mode retrieved"
" successfully");
/* Check it does nothing on receiving NULL */
ret = H5Pget_dxpl_mpio(dxpl, NULL);
VRFY((ret >= 0), "H5Pget_dxpl_mpio succeeded on NULL input");
/* Use independent I/O access */
ret = H5Pset_dxpl_mpio(dxpl, H5FD_MPIO_INDEPENDENT);
VRFY((ret >= 0), "H5Pset_dxpl_mpio set to independent succeeded");
/* Write some data */
for (i = 0; i < dims[0]; i++)
for (j = 0; j < dims[1]; j++)
data[(i * 100) + j] = (int)(i + (j * j) + i);
ret = H5Dwrite(did, H5T_NATIVE_INT, sid, sid, dxpl, data);
VRFY((ret >= 0), "H5Dwrite succeeded");
/* Check to make sure the property is still correct */
ret = H5Pget_dxpl_mpio(dxpl, &xfer_mode);
VRFY((ret >= 0), "H5Pget_dxpl_mpio succeeded");
VRFY((xfer_mode == H5FD_MPIO_INDEPENDENT), "Xfer_mode retrieved"
" successfully");
/* Read the data */
ret = H5Dread(did, H5T_NATIVE_INT, sid, sid, dxpl, data);
VRFY((ret >= 0), "H5Dread succeeded");
/* Check to make sure the property is still correct */
ret = H5Pget_dxpl_mpio(dxpl, &xfer_mode);
VRFY((ret >= 0), "H5Pget_dxpl_mpio succeeded");
VRFY((xfer_mode == H5FD_MPIO_INDEPENDENT), "Xfer_mode retrieved"
" successfully");
/* Close everything */
free(data);
ret = H5Pclose(fapl);
VRFY((ret >= 0), "H5Pclose succeeded");
ret = H5Pclose(dxpl);
VRFY((ret >= 0), "H5Pclose succeeded");
ret = H5Dclose(did);
VRFY((ret >= 0), "H5Dclose succeeded");
ret = H5Sclose(sid);
VRFY((ret >= 0), "H5Sclose succeeded");
ret = H5Fclose(fid);
VRFY((ret >= 0), "H5Fclose succeeded");
} /* end test_get_dxpl_mpio() */
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