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https://github.com/HDFGroup/hdf5.git
synced 2025-02-05 15:42:32 +08:00
ccb5c0ad84
Increase the test size to 32. Put in a check to make sure number of
processes are not bigger than SIZE.
testphdf5.c:
Fixed a mistake in the prototype of pause_proc to reflect no arguments.
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
#include <testphdf5.h>
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#define DIM 2
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#define SIZE 32
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#define NUMITEMS 500 /* 988 */
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void multiple_dset_write(char *filename)
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{
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int i, j, nprocs, rank;
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hid_t iof, plist, dataset, memspace, filespace;
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hssize_t chunk_origin [DIM];
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hsize_t chunk_dims [DIM], file_dims [DIM];
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double outme [SIZE][SIZE];
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MPI_Comm_rank (MPI_COMM_WORLD, &rank);
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MPI_Comm_size (MPI_COMM_WORLD, &nprocs);
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VRFY((nprocs <= SIZE), "nprocs <= SIZE");
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chunk_origin [0] = 0;
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chunk_origin [1] = rank * (SIZE / nprocs);
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chunk_dims [0] = SIZE;
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chunk_dims [1] = SIZE / nprocs;
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for (i = 0; i < DIM; i++)
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file_dims [i] = SIZE;
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for (i = 0; i < SIZE; i++)
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for (j = 0; j < SIZE; j++)
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outme [i][j] = rank;
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plist = H5Pcreate (H5P_FILE_ACCESS);
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H5Pset_fapl_mpio(plist, MPI_COMM_WORLD, MPI_INFO_NULL);
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iof = H5Fcreate (filename, H5F_ACC_TRUNC, H5P_DEFAULT, plist);
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H5Pclose (plist);
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memspace = H5Screate_simple (DIM, chunk_dims, NULL);
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filespace = H5Screate_simple (DIM, file_dims, NULL);
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H5Sselect_hyperslab (filespace, H5S_SELECT_SET, chunk_origin, NULL, chunk_dims
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, NULL);
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for (i = 0; i < NUMITEMS; i++) {
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char dname [100];
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sprintf (dname, "dataset %d", i);
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dataset = H5Dcreate (iof, dname, H5T_NATIVE_FLOAT, filespace, H5P_DEFAULT);
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VRFY((dataset > 0), "dataset create succeeded");
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H5Dwrite (dataset, H5T_NATIVE_DOUBLE, memspace, filespace, H5P_DEFAULT, outme);
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H5Dclose (dataset);
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}
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H5Sclose (filespace);
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H5Sclose (memspace);
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H5Fclose (iof);
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}
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