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authorAlbert Cheng <acheng@hdfgroup.org>2004-04-01 23:00:13 (GMT)
committerAlbert Cheng <acheng@hdfgroup.org>2004-04-01 23:00:13 (GMT)
commit3756af13c77b27656f1213870f9ecc146bd85e61 (patch)
tree08cf444ef931732535787267796fcb10410138d8 /testpar
parentfbbd2b9cd26f7c291d1707e2b960b13fc7ca02d1 (diff)
downloadhdf5-3756af13c77b27656f1213870f9ecc146bd85e61.zip
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[svn-r8294] Purpose:
feature Description: Change testphdf5 to use the common test program syntax. Needed to change the protocols of all test programs to fit the requirement of the common test syntax. Platforms tested: "h5committested". Also tested in sol with PP mode.
Diffstat (limited to 'testpar')
-rw-r--r--testpar/t_dset.c32
-rw-r--r--testpar/t_file.c4
-rw-r--r--testpar/t_mdset.c57
-rw-r--r--testpar/testphdf5.c90
-rw-r--r--testpar/testphdf5.h49
5 files changed, 195 insertions, 37 deletions
diff --git a/testpar/t_dset.c b/testpar/t_dset.c
index 881ce0a..858f3e3 100644
--- a/testpar/t_dset.c
+++ b/testpar/t_dset.c
@@ -223,7 +223,7 @@ int dataset_vrfy(hssize_t start[], hsize_t count[], hsize_t stride[], hsize_t bl
*/
void
-dataset_writeInd(char *filename)
+dataset_writeInd(void)
{
hid_t fid; /* HDF5 file ID */
hid_t acc_tpl; /* File access templates */
@@ -234,6 +234,7 @@ dataset_writeInd(char *filename)
hbool_t use_gpfs = FALSE; /* Use GPFS hints */
hsize_t dims[RANK]; /* dataset dim sizes */
DATATYPE *data_array1 = NULL; /* data buffer */
+ char *filename;
hssize_t start[RANK]; /* for hyperslab setting */
hsize_t count[RANK], stride[RANK]; /* for hyperslab setting */
@@ -245,6 +246,7 @@ dataset_writeInd(char *filename)
MPI_Comm comm = MPI_COMM_WORLD;
MPI_Info info = MPI_INFO_NULL;
+ filename = (char *) GetTestParameters();
if (VERBOSE_MED)
printf("Independent write test on file %s\n", filename);
@@ -368,7 +370,7 @@ MPI_Barrier(MPI_COMM_WORLD);
/* Example of using the parallel HDF5 library to read a dataset */
void
-dataset_readInd(char *filename)
+dataset_readInd(void)
{
hid_t fid; /* HDF5 file ID */
hid_t acc_tpl; /* File access templates */
@@ -378,6 +380,7 @@ dataset_readInd(char *filename)
hbool_t use_gpfs = FALSE; /* Use GPFS hints */
DATATYPE *data_array1 = NULL; /* data buffer */
DATATYPE *data_origin1 = NULL; /* expected data buffer */
+ char *filename;
hssize_t start[RANK]; /* for hyperslab setting */
hsize_t count[RANK], stride[RANK]; /* for hyperslab setting */
@@ -389,6 +392,7 @@ dataset_readInd(char *filename)
MPI_Comm comm = MPI_COMM_WORLD;
MPI_Info info = MPI_INFO_NULL;
+ filename = (char *) GetTestParameters();
if (VERBOSE_MED)
printf("Independent read test on file %s\n", filename);
@@ -489,7 +493,7 @@ dataset_readInd(char *filename)
*/
void
-dataset_writeAll(char *filename)
+dataset_writeAll(void)
{
hid_t fid; /* HDF5 file ID */
hid_t acc_tpl; /* File access templates */
@@ -502,6 +506,7 @@ dataset_writeAll(char *filename)
hbool_t use_gpfs = FALSE; /* Use GPFS hints */
hsize_t dims[RANK]; /* dataset dim sizes */
DATATYPE *data_array1 = NULL; /* data buffer */
+ char *filename;
hssize_t start[RANK]; /* for hyperslab setting */
hsize_t count[RANK], stride[RANK]; /* for hyperslab setting */
@@ -513,6 +518,7 @@ dataset_writeAll(char *filename)
MPI_Comm comm = MPI_COMM_WORLD;
MPI_Info info = MPI_INFO_NULL;
+ filename = (char *) GetTestParameters();
if (VERBOSE_MED)
printf("Collective write test on file %s\n", filename);
@@ -848,7 +854,7 @@ dataset_writeAll(char *filename)
*/
void
-dataset_readAll(char *filename)
+dataset_readAll(void)
{
hid_t fid; /* HDF5 file ID */
hid_t acc_tpl; /* File access templates */
@@ -859,6 +865,7 @@ dataset_readAll(char *filename)
hbool_t use_gpfs = FALSE; /* Use GPFS hints */
DATATYPE *data_array1 = NULL; /* data buffer */
DATATYPE *data_origin1 = NULL; /* expected data buffer */
+ char *filename;
hssize_t start[RANK]; /* for hyperslab setting */
hsize_t count[RANK], stride[RANK]; /* for hyperslab setting */
@@ -870,6 +877,7 @@ dataset_readAll(char *filename)
MPI_Comm comm = MPI_COMM_WORLD;
MPI_Info info = MPI_INFO_NULL;
+ filename = (char *) GetTestParameters();
if (VERBOSE_MED)
printf("Collective read test on file %s\n", filename);
@@ -1069,7 +1077,7 @@ dataset_readAll(char *filename)
*/
void
-extend_writeInd(char *filename)
+extend_writeInd(void)
{
hid_t fid; /* HDF5 file ID */
hid_t acc_tpl; /* File access templates */
@@ -1078,6 +1086,7 @@ extend_writeInd(char *filename)
hid_t mem_dataspace; /* memory dataspace ID */
hid_t dataset1, dataset2; /* Dataset ID */
hbool_t use_gpfs = FALSE; /* Use GPFS hints */
+ char *filename;
hsize_t dims[RANK]; /* dataset dim sizes */
hsize_t max_dims[RANK] =
{H5S_UNLIMITED, H5S_UNLIMITED}; /* dataset maximum dim sizes */
@@ -1096,6 +1105,7 @@ extend_writeInd(char *filename)
MPI_Comm comm = MPI_COMM_WORLD;
MPI_Info info = MPI_INFO_NULL;
+ filename = (char *) GetTestParameters();
if (VERBOSE_MED)
printf("Extend independent write test on file %s\n", filename);
@@ -1293,7 +1303,7 @@ extend_writeInd(char *filename)
/* Example of using the parallel HDF5 library to read an extendible dataset */
void
-extend_readInd(char *filename)
+extend_readInd(void)
{
hid_t fid; /* HDF5 file ID */
hid_t acc_tpl; /* File access templates */
@@ -1305,6 +1315,7 @@ extend_readInd(char *filename)
DATATYPE *data_array1 = NULL; /* data buffer */
DATATYPE *data_array2 = NULL; /* data buffer */
DATATYPE *data_origin1 = NULL; /* expected data buffer */
+ char *filename;
hssize_t start[RANK]; /* for hyperslab setting */
hsize_t count[RANK], stride[RANK]; /* for hyperslab setting */
@@ -1316,6 +1327,7 @@ extend_readInd(char *filename)
MPI_Comm comm = MPI_COMM_WORLD;
MPI_Info info = MPI_INFO_NULL;
+ filename = (char *) GetTestParameters();
if (VERBOSE_MED)
printf("Extend independent read test on file %s\n", filename);
@@ -1470,7 +1482,7 @@ extend_readInd(char *filename)
*/
void
-extend_writeAll(char *filename)
+extend_writeAll(void)
{
hid_t fid; /* HDF5 file ID */
hid_t acc_tpl; /* File access templates */
@@ -1480,6 +1492,7 @@ extend_writeAll(char *filename)
hid_t mem_dataspace; /* memory dataspace ID */
hid_t dataset1, dataset2; /* Dataset ID */
hbool_t use_gpfs = FALSE; /* Use GPFS hints */
+ char *filename;
hsize_t dims[RANK]; /* dataset dim sizes */
hsize_t max_dims[RANK] =
{H5S_UNLIMITED, H5S_UNLIMITED}; /* dataset maximum dim sizes */
@@ -1498,6 +1511,7 @@ extend_writeAll(char *filename)
MPI_Comm comm = MPI_COMM_WORLD;
MPI_Info info = MPI_INFO_NULL;
+ filename = (char *) GetTestParameters();
if (VERBOSE_MED)
printf("Extend independent write test on file %s\n", filename);
@@ -1710,7 +1724,7 @@ extend_writeAll(char *filename)
/* Example of using the parallel HDF5 library to read an extendible dataset */
void
-extend_readAll(char *filename)
+extend_readAll(void)
{
hid_t fid; /* HDF5 file ID */
hid_t acc_tpl; /* File access templates */
@@ -1719,6 +1733,7 @@ extend_readAll(char *filename)
hid_t mem_dataspace; /* memory dataspace ID */
hid_t dataset1, dataset2; /* Dataset ID */
hbool_t use_gpfs = FALSE; /* Use GPFS hints */
+ char *filename;
hsize_t dims[RANK]; /* dataset dim sizes */
DATATYPE *data_array1 = NULL; /* data buffer */
DATATYPE *data_array2 = NULL; /* data buffer */
@@ -1734,6 +1749,7 @@ extend_readAll(char *filename)
MPI_Comm comm = MPI_COMM_WORLD;
MPI_Info info = MPI_INFO_NULL;
+ filename = (char *) GetTestParameters();
if (VERBOSE_MED)
printf("Extend independent read test on file %s\n", filename);
diff --git a/testpar/t_file.c b/testpar/t_file.c
index 59ca232..c83a1af 100644
--- a/testpar/t_file.c
+++ b/testpar/t_file.c
@@ -32,7 +32,7 @@
* sooner or later due to barrier mixed up.
*/
void
-test_split_comm_access(char *filename)
+test_split_comm_access(void)
{
int mpi_size, mpi_rank;
MPI_Comm comm;
@@ -43,7 +43,9 @@ test_split_comm_access(char *filename)
hid_t acc_tpl; /* File access properties */
hbool_t use_gpfs = FALSE; /* Use GPFS hints */
herr_t ret; /* generic return value */
+ char *filename;
+ filename = (char *) GetTestParameters();
if (VERBOSE_MED)
printf("Split Communicator access test on file %s\n",
filename);
diff --git a/testpar/t_mdset.c b/testpar/t_mdset.c
index e4ded5c..953dab1 100644
--- a/testpar/t_mdset.c
+++ b/testpar/t_mdset.c
@@ -36,7 +36,7 @@ void get_slab(hssize_t[], hsize_t[], hsize_t[], hsize_t[]);
* Example of using PHDF5 to create ndatasets datasets. Each process write
* a slab of array to the file.
*/
-void multiple_dset_write(char *filename, int ndatasets)
+void multiple_dset_write(void)
{
int i, j, n, mpi_size, mpi_rank;
hid_t iof, plist, dataset, memspace, filespace;
@@ -49,6 +49,13 @@ void multiple_dset_write(char *filename, int ndatasets)
double fill=1.0; /* Fill value */
char dname [100];
herr_t ret;
+ H5Ptest_param_t *pt;
+ char *filename;
+ int ndatasets;
+
+ pt = (H5Ptest_param_t *) GetTestParameters();
+ filename = pt->name;
+ ndatasets = pt->count;
MPI_Comm_rank (MPI_COMM_WORLD, &mpi_rank);
MPI_Comm_size (MPI_COMM_WORLD, &mpi_size);
@@ -106,7 +113,7 @@ void multiple_dset_write(char *filename, int ndatasets)
/* Example of using PHDF5 to create, write, and read compact dataset.
*/
-void compact_dataset(char *filename)
+void compact_dataset(void)
{
int i, j, mpi_size, mpi_rank, err_num=0;
hbool_t use_gpfs = FALSE;
@@ -115,10 +122,12 @@ void compact_dataset(char *filename)
double outme [SIZE][SIZE], inme[SIZE][SIZE];
char dname[]="dataset";
herr_t ret;
+ char *filename;
MPI_Comm_rank (MPI_COMM_WORLD, &mpi_rank);
MPI_Comm_size (MPI_COMM_WORLD, &mpi_size);
+ filename = (char *) GetTestParameters();
VRFY((mpi_size <= SIZE), "mpi_size <= SIZE");
plist = create_faccess_plist(MPI_COMM_WORLD, MPI_INFO_NULL, facc_type, use_gpfs);
@@ -193,7 +202,7 @@ void compact_dataset(char *filename)
* sizes (2GB, 4GB, etc.), but the metadata for the file pushes the file over
* the boundary of interest.
*/
-void big_dataset(const char *filename)
+void big_dataset(void)
{
int mpi_size, mpi_rank; /* MPI info */
hbool_t use_gpfs = FALSE; /* Don't use GPFS stuff for this test */
@@ -205,10 +214,12 @@ void big_dataset(const char *filename)
char dname[]="dataset"; /* Name of dataset */
MPI_Offset file_size; /* Size of file on disk */
herr_t ret; /* Generic return value */
+ char *filename;
MPI_Comm_rank (MPI_COMM_WORLD, &mpi_rank);
MPI_Comm_size (MPI_COMM_WORLD, &mpi_size);
+ filename = (char *) GetTestParameters();
VRFY((mpi_size <= SIZE), "mpi_size <= SIZE");
fapl = create_faccess_plist(MPI_COMM_WORLD, MPI_INFO_NULL, facc_type, use_gpfs);
@@ -310,7 +321,7 @@ void big_dataset(const char *filename)
* not have actual data written to the entire raw data area and relies on the
* default fill value of zeros to work correctly.
*/
-void dataset_fillvalue(const char *filename)
+void dataset_fillvalue(void)
{
int mpi_size, mpi_rank; /* MPI info */
hbool_t use_gpfs = FALSE; /* Don't use GPFS stuff for this test */
@@ -330,10 +341,12 @@ void dataset_fillvalue(const char *filename)
int *twdata, *trdata; /* Temporary pointer into buffer */
int acc, i, j, k, l; /* Local index variables */
herr_t ret; /* Generic return value */
+ char *filename;
MPI_Comm_rank (MPI_COMM_WORLD, &mpi_rank);
MPI_Comm_size (MPI_COMM_WORLD, &mpi_size);
+ filename = (char *) GetTestParameters();
VRFY((mpi_size <= SIZE), "mpi_size <= SIZE");
/* Set the dataset dimension to be one row more than number of processes */
@@ -484,7 +497,7 @@ void dataset_fillvalue(const char *filename)
/* Write multiple groups with a chunked dataset in each group collectively.
* These groups and datasets are for testing independent read later.
*/
-void collective_group_write(char *filename, int ngroups)
+void collective_group_write(void)
{
int mpi_rank, mpi_size;
int i, j, m;
@@ -496,6 +509,13 @@ void collective_group_write(char *filename, int ngroups)
hsize_t chunk_dims[DIM], file_dims[DIM], count[DIM];
const hsize_t chunk_size[2] = {SIZE/2, SIZE/2}; /* Chunk dimensions */
herr_t ret1, ret2;
+ H5Ptest_param_t *pt;
+ char *filename;
+ int ngroups;
+
+ pt = (H5Ptest_param_t *) GetTestParameters();
+ filename = pt->name;
+ ngroups = pt->count;
MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank);
MPI_Comm_size(MPI_COMM_WORLD, &mpi_size);
@@ -563,11 +583,18 @@ void collective_group_write(char *filename, int ngroups)
/* Let two sets of processes open and read different groups and chunked
* datasets independently.
*/
-void independent_group_read(char *filename, int ngroups)
+void independent_group_read(void)
{
int mpi_rank, m;
hid_t plist, fid;
hbool_t use_gpfs = FALSE;
+ H5Ptest_param_t *pt;
+ char *filename;
+ int ngroups;
+
+ pt = (H5Ptest_param_t *) GetTestParameters();
+ filename = pt->name;
+ ngroups = pt->count;
MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank);
@@ -654,7 +681,7 @@ void group_dataset_read(hid_t fid, int mpi_rank, int m)
* + means the group has attribute(s).
* ' means the datasets in the groups have attribute(s).
*/
-void multiple_group_write(char *filename, int ngroups)
+void multiple_group_write(void)
{
int mpi_rank, mpi_size;
int m;
@@ -664,6 +691,13 @@ void multiple_group_write(char *filename, int ngroups)
hssize_t chunk_origin[DIM];
hsize_t chunk_dims[DIM], file_dims[DIM], count[DIM];
herr_t ret;
+ H5Ptest_param_t *pt;
+ char *filename;
+ int ngroups;
+
+ pt = (H5Ptest_param_t *) GetTestParameters();
+ filename = pt->name;
+ ngroups = pt->count;
MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank);
MPI_Comm_size(MPI_COMM_WORLD, &mpi_size);
@@ -799,7 +833,7 @@ void create_group_recursive(hid_t memspace, hid_t filespace, hid_t gid,
* This function is to verify the data from multiple group testing. It opens
* every dataset in every group and check their correctness.
*/
-void multiple_group_read(char *filename, int ngroups)
+void multiple_group_read(void)
{
int mpi_rank, mpi_size, error_num;
int m;
@@ -808,6 +842,13 @@ void multiple_group_read(char *filename, int ngroups)
hid_t plist, fid, gid, memspace, filespace;
hssize_t chunk_origin[DIM];
hsize_t chunk_dims[DIM], file_dims[DIM], count[DIM];
+ H5Ptest_param_t *pt;
+ char *filename;
+ int ngroups;
+
+ pt = (H5Ptest_param_t *) GetTestParameters();
+ filename = pt->name;
+ ngroups = pt->count;
MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank);
MPI_Comm_size(MPI_COMM_WORLD, &mpi_size);
diff --git a/testpar/testphdf5.c b/testpar/testphdf5.c
index 13b391f..45b1ca7 100644
--- a/testpar/testphdf5.c
+++ b/testpar/testphdf5.c
@@ -359,6 +359,8 @@ done:
int main(int argc, char **argv)
{
int mpi_size, mpi_rank; /* mpi variables */
+ H5Ptest_param_t ndsets_params, ngroups_params;
+ H5Ptest_param_t collngroups_params;
/* Un-buffer the stdout and stderr */
setbuf(stderr, NULL);
@@ -391,6 +393,93 @@ int main(int argc, char **argv)
"===================================\n");
}
+ {
+ int Summary = 0;
+ int CleanUp = 1;
+
+
+
+
+ /* Initialize testing framework */
+ TestInit();
+
+ /* Tests are generally arranged from least to most complexity... */
+ AddTest("mpio_dup", test_fapl_mpio_dup, NULL,
+ "fapl_mpio_dup", NULL);
+ AddTest("mpiposix_dup", test_fapl_mpiposix_dup, NULL,
+ "fapl_mpiposix_dup", NULL);
+
+ ndsets_params.name = filenames[3];
+ ndsets_params.count = ndatasets;
+ AddTest("ndatasets", multiple_dset_write, NULL,
+ "multiple datasets write", &ndsets_params);
+
+ ngroups_params.name = filenames[4];
+ ngroups_params.count = ngroups;
+ AddTest("ngroups", multiple_group_write, NULL,
+ "multiple groups write", &ngroups_params);
+ AddTest("ngroups_read", multiple_group_read, NULL,
+ "multiple groups read", &ngroups_params);
+
+ AddTest("split", test_split_comm_access, NULL,
+ "dataset using split communicators", filenames[0]);
+ AddTest("indwrite", dataset_writeInd, NULL,
+ "dataset independent write", filenames[0]);
+ AddTest("collwrite", dataset_writeAll, NULL,
+ "dataset collective write", filenames[1]);
+ AddTest("indwriteext", extend_writeInd, NULL,
+ "extendible dataset independent write", filenames[2]);
+ AddTest("collwriteext", extend_writeAll, NULL,
+ "extendible dataset collective write", filenames[2]);
+
+ AddTest("indread", dataset_readInd, NULL,
+ "dataset independent read", filenames[0]);
+ AddTest("collread", dataset_readAll, NULL,
+ "dataset collective read", filenames[1]);
+ AddTest("indreadext", extend_readInd, NULL,
+ "extendible dataset independent read", filenames[2]);
+ AddTest("collreadext", extend_readAll, NULL,
+ "extendible dataset collective read", filenames[2]);
+
+ AddTest("compact", compact_dataset, NULL,
+ "compact dataset test", filenames[5]);
+
+ collngroups_params.name = filenames[6];
+ collngroups_params.count = ngroups;
+ AddTest("coll_ngroups", collective_group_write, NULL,
+ "collective group and dataset write", &collngroups_params);
+ AddTest("indngroupsread", independent_group_read, NULL,
+ "independent group and dataset read", &collngroups_params);
+
+ if (dobig && sizeof(MPI_Offset)>4){
+ AddTest("bigdataset", big_dataset, NULL,
+ "big dataset test", filenames[7]);
+ }
+ AddTest("fillvalue", dataset_fillvalue, NULL,
+ "dataset fill value", filenames[8]);
+
+ /* Display testing information */
+ TestInfo(argv[0]);
+
+ /* Parse command line arguments */
+/* TestParseCmdLine(argc,argv,&Summary,&CleanUp); */
+
+ /* Perform requested testing */
+ PerformTests();
+
+ /* Display test summary, if requested */
+ if (Summary)
+ TestSummary();
+
+ /* Clean up test files, if allowed */
+ if (CleanUp && !getenv("HDF5_NOCLEANUP"))
+ TestCleanup();
+
+ nerrors = GetTestNumErrs();
+
+ }
+
+#if 0
MPI_BANNER("test_fapl_mpio_dup...");
test_fapl_mpio_dup();
@@ -484,6 +573,7 @@ int main(int argc, char **argv)
MPI_BANNER("dataset fill value test...");
dataset_fillvalue(filenames[8]);
+#endif
if (!(dowrite || doread || ndatasets || ngroups || docompact || doindependent || dobig )){
usage();
diff --git a/testpar/testphdf5.h b/testpar/testphdf5.h
index e5e437a..f757e7c 100644
--- a/testpar/testphdf5.h
+++ b/testpar/testphdf5.h
@@ -123,6 +123,13 @@
#define FACC_MULTI 0x4 /* Multi File */
#define FACC_MPIPOSIX 0x8 /* MPIPOSIX */
+/* type definitions */
+typedef struct H5Ptest_param_t /* holds extra test parameters */
+{
+ char *name;
+ int count;
+} H5Ptest_param_t;
+
/* Dataset data type. Int's can be easily octo dumped. */
typedef int DATATYPE;
@@ -134,28 +141,30 @@ extern H5E_auto_t old_func; /* previous error handler */
extern void *old_client_data; /*previous error handler arg.*/
extern int facc_type; /*Test file access type */
-/* Prototypes */
-hid_t create_faccess_plist(MPI_Comm comm, MPI_Info info, int l_facc_type, hbool_t use_gpfs);
-MPI_Offset h5_mpi_get_file_size(const char *filename, MPI_Comm comm, MPI_Info info);
-void multiple_dset_write(char *filename, int ndatasets);
-void multiple_group_write(char *filename, int ngroups);
-void multiple_group_read(char *filename, int ngroups);
-void collective_group_write(char *filename, int ngroups);
-void independent_group_read(char *filename, int ngroups);
+/* Test program prototypes */
+void multiple_dset_write(void);
+void multiple_group_write(void);
+void multiple_group_read(void);
+void collective_group_write(void);
+void independent_group_read(void);
void test_fapl_mpio_dup(void);
void test_fapl_mpiposix_dup(void);
-void test_split_comm_access(char *filename);
-void dataset_writeInd(char *filename);
-void dataset_writeAll(char *filename);
-void extend_writeInd(char *filename);
-void extend_writeAll(char *filename);
-void dataset_readInd(char *filename);
-void dataset_readAll(char *filename);
-void extend_readInd(char *filename);
-void extend_readAll(char *filename);
-void compact_dataset(char *filename);
-void big_dataset(const char *filename);
-void dataset_fillvalue(const char *filename);
+void test_split_comm_access(void);
+void dataset_writeInd(void);
+void dataset_writeAll(void);
+void extend_writeInd(void);
+void extend_writeAll(void);
+void dataset_readInd(void);
+void dataset_readAll(void);
+void extend_readInd(void);
+void extend_readAll(void);
+void compact_dataset(void);
+void big_dataset(void);
+void dataset_fillvalue(void);
+
+/* commonly used prototypes */
+hid_t create_faccess_plist(MPI_Comm comm, MPI_Info info, int l_facc_type, hbool_t use_gpfs);
+MPI_Offset h5_mpi_get_file_size(const char *filename, MPI_Comm comm, MPI_Info info);
int dataset_vrfy(hssize_t start[], hsize_t count[], hsize_t stride[],
hsize_t block[], DATATYPE *dataset, DATATYPE *original);