diff options
Diffstat (limited to 'examples/h5_vds-percival-unlim-maxmin.c')
| -rw-r--r-- | examples/h5_vds-percival-unlim-maxmin.c | 376 |
1 files changed, 180 insertions, 196 deletions
diff --git a/examples/h5_vds-percival-unlim-maxmin.c b/examples/h5_vds-percival-unlim-maxmin.c index 7b0d532..01e41ef 100644 --- a/examples/h5_vds-percival-unlim-maxmin.c +++ b/examples/h5_vds-percival-unlim-maxmin.c @@ -26,185 +26,162 @@ #include <stdio.h> #include <stdlib.h> -#define VFILE "vds-percival-unlim-maxmin.h5" -#define DATASET "VDS-Percival-unlim-maxmin" -#define VDSDIM0 H5S_UNLIMITED -#define VDSDIM1 10 -#define VDSDIM2 10 - -#define DIM0 H5S_UNLIMITED -#define DIM0_1 4 /* Initial size of the source datasets */ -#define DIM1 10 -#define DIM2 10 -#define RANK 3 -#define PLANE_STRIDE 4 - -const char *SRC_FILE[] = { - "a.h5", - "b.h5", - "c.h5", - "d.h5" -}; - -const char *SRC_DATASET[] = { - "A", - "B", - "C", - "D" -}; +#define VFILE "vds-percival-unlim-maxmin.h5" +#define DATASET "VDS-Percival-unlim-maxmin" +#define VDSDIM0 H5S_UNLIMITED +#define VDSDIM1 10 +#define VDSDIM2 10 + +#define DIM0 H5S_UNLIMITED +#define DIM0_1 4 /* Initial size of the source datasets */ +#define DIM1 10 +#define DIM2 10 +#define RANK 3 +#define PLANE_STRIDE 4 + +const char *SRC_FILE[] = {"a.h5", "b.h5", "c.h5", "d.h5"}; + +const char *SRC_DATASET[] = {"A", "B", "C", "D"}; int -main (void) +main(void) { - hid_t vfile, file, src_space, mem_space, vspace, - vdset, dset; /* Handles */ - hid_t dcpl, dapl; - herr_t status; - hsize_t vdsdims[3] = {4*DIM0_1, VDSDIM1, VDSDIM2}, - vdsdims_max[3] = {VDSDIM0, VDSDIM1, VDSDIM2}, - dims[3] = {DIM0_1, DIM1, DIM2}, - memdims[3] = {DIM0_1, DIM1, DIM2}, - extdims[3] = {0, DIM1, DIM2}, /* Dimensions of the extended source datasets */ - chunk_dims[3] = {DIM0_1, DIM1, DIM2}, - dims_max[3] = {DIM0, DIM1, DIM2}, - vdsdims_out[3], - vdsdims_max_out[3], - start[3], /* Hyperslab parameters */ - stride[3], - count[3], - src_count[3], - block[3]; - hsize_t start_out[3], /* Hyperslab parameter out */ - stride_out[3], - count_out[3], - block_out[3]; + hid_t vfile, file, src_space, mem_space, vspace, vdset, dset; /* Handles */ + hid_t dcpl, dapl; + herr_t status; + hsize_t vdsdims[3] = {4 * DIM0_1, VDSDIM1, VDSDIM2}, vdsdims_max[3] = {VDSDIM0, VDSDIM1, VDSDIM2}, + dims[3] = {DIM0_1, DIM1, DIM2}, memdims[3] = {DIM0_1, DIM1, DIM2}, + extdims[3] = {0, DIM1, DIM2}, /* Dimensions of the extended source datasets */ + chunk_dims[3] = {DIM0_1, DIM1, DIM2}, dims_max[3] = {DIM0, DIM1, DIM2}, vdsdims_out[3], + vdsdims_max_out[3], start[3], /* Hyperslab parameters */ + stride[3], count[3], src_count[3], block[3]; + hsize_t start_out[3], /* Hyperslab parameter out */ + stride_out[3], count_out[3], block_out[3]; int i, j; - H5D_layout_t layout; /* Storage layout */ - size_t num_map; /* Number of mappings */ - ssize_t len; /* Length of the string; also a return value */ - char *filename; - char *dsetname; - int wdata[DIM0_1*DIM1*DIM2]; + H5D_layout_t layout; /* Storage layout */ + size_t num_map; /* Number of mappings */ + ssize_t len; /* Length of the string; also a return value */ + char * filename; + char * dsetname; + int wdata[DIM0_1 * DIM1 * DIM2]; /* * Create source files and datasets. This step is optional. */ - for (i=0; i < PLANE_STRIDE; i++) { + for (i = 0; i < PLANE_STRIDE; i++) { /* * Initialize data for i-th source dataset. */ - for (j = 0; j < DIM0_1*DIM1*DIM2; j++) wdata[j] = i+1; + for (j = 0; j < DIM0_1 * DIM1 * DIM2; j++) + wdata[j] = i + 1; /* * Create the source files and datasets. Write data to each dataset and * close all resources. */ - file = H5Fcreate (SRC_FILE[i], H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); - src_space = H5Screate_simple (RANK, dims, dims_max); - dcpl = H5Pcreate(H5P_DATASET_CREATE); - status = H5Pset_chunk (dcpl, RANK, chunk_dims); - dset = H5Dcreate2 (file, SRC_DATASET[i], H5T_NATIVE_INT, src_space, H5P_DEFAULT, - dcpl, H5P_DEFAULT); - status = H5Dwrite (dset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, - wdata); - status = H5Sclose (src_space); - status = H5Pclose (dcpl); - status = H5Dclose (dset); - status = H5Fclose (file); + file = H5Fcreate(SRC_FILE[i], H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); + src_space = H5Screate_simple(RANK, dims, dims_max); + dcpl = H5Pcreate(H5P_DATASET_CREATE); + status = H5Pset_chunk(dcpl, RANK, chunk_dims); + dset = H5Dcreate2(file, SRC_DATASET[i], H5T_NATIVE_INT, src_space, H5P_DEFAULT, dcpl, H5P_DEFAULT); + status = H5Dwrite(dset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, wdata); + status = H5Sclose(src_space); + status = H5Pclose(dcpl); + status = H5Dclose(dset); + status = H5Fclose(file); } - vfile = H5Fcreate (VFILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); + vfile = H5Fcreate(VFILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); /* Create VDS dataspace. */ - vspace = H5Screate_simple (RANK, vdsdims, vdsdims_max); + vspace = H5Screate_simple(RANK, vdsdims, vdsdims_max); /* Create dataspaces for the source dataset. */ - src_space = H5Screate_simple (RANK, dims, dims_max); + src_space = H5Screate_simple(RANK, dims, dims_max); /* Create VDS creation property */ - dcpl = H5Pcreate (H5P_DATASET_CREATE); + dcpl = H5Pcreate(H5P_DATASET_CREATE); /* Initialize hyperslab values */ - start[0] = 0; - start[1] = 0; - start[2] = 0; - stride[0] = PLANE_STRIDE; /* we will select every fifth plane in VDS */ - stride[1] = 1; - stride[2] = 1; - count[0] = H5S_UNLIMITED; - count[1] = 1; - count[2] = 1; + start[0] = 0; + start[1] = 0; + start[2] = 0; + stride[0] = PLANE_STRIDE; /* we will select every fifth plane in VDS */ + stride[1] = 1; + stride[2] = 1; + count[0] = H5S_UNLIMITED; + count[1] = 1; + count[2] = 1; src_count[0] = H5S_UNLIMITED; src_count[1] = 1; src_count[2] = 1; - block[0] = 1; - block[1] = DIM1; - block[2] = DIM2; + block[0] = 1; + block[1] = DIM1; + block[2] = DIM2; /* * Build the mappings * */ - status = H5Sselect_hyperslab (src_space, H5S_SELECT_SET, start, NULL, src_count, block); - for (i=0; i < PLANE_STRIDE; i++) { - status = H5Sselect_hyperslab (vspace, H5S_SELECT_SET, start, stride, count, block); - status = H5Pset_virtual (dcpl, vspace, SRC_FILE[i], SRC_DATASET[i], src_space); + status = H5Sselect_hyperslab(src_space, H5S_SELECT_SET, start, NULL, src_count, block); + for (i = 0; i < PLANE_STRIDE; i++) { + status = H5Sselect_hyperslab(vspace, H5S_SELECT_SET, start, stride, count, block); + status = H5Pset_virtual(dcpl, vspace, SRC_FILE[i], SRC_DATASET[i], src_space); start[0]++; } H5Sselect_none(vspace); /* Create a virtual dataset */ - vdset = H5Dcreate2 (vfile, DATASET, H5T_NATIVE_INT, vspace, H5P_DEFAULT, - dcpl, H5P_DEFAULT); - status = H5Sclose (vspace); - status = H5Sclose (src_space); - status = H5Pclose (dcpl); + vdset = H5Dcreate2(vfile, DATASET, H5T_NATIVE_INT, vspace, H5P_DEFAULT, dcpl, H5P_DEFAULT); + status = H5Sclose(vspace); + status = H5Sclose(src_space); + status = H5Pclose(dcpl); /* Let's add data to the source datasets and check new dimensions for VDS */ /* We will add only one plane to the first source dataset, two planes to the second one, three to the third, and four to the forth. */ - for (i=0; i < PLANE_STRIDE; i++) { + for (i = 0; i < PLANE_STRIDE; i++) { /* * Initialize data for i-th source dataset. */ - for (j = 0; j < (i+1)*DIM1*DIM2; j++) wdata[j] = 10*(i+1); + for (j = 0; j < (i + 1) * DIM1 * DIM2; j++) + wdata[j] = 10 * (i + 1); /* * Open the source files and datasets. Appen data to each dataset and * close all resources. */ - file = H5Fopen (SRC_FILE[i], H5F_ACC_RDWR, H5P_DEFAULT); - dset = H5Dopen2 (file, SRC_DATASET[i], H5P_DEFAULT); - extdims[0] = DIM0_1+i+1; - status = H5Dset_extent (dset, extdims); - src_space = H5Dget_space (dset); - start[0] = DIM0_1; - start[1] = 0; - start[2] = 0; - count[0] = 1; - count[1] = 1; - count[2] = 1; - block[0] = i+1; - block[1] = DIM1; - block[2] = DIM2; - - memdims[0] = i+1; - mem_space = H5Screate_simple(RANK, memdims, NULL); - status = H5Sselect_hyperslab (src_space, H5S_SELECT_SET, start, NULL, count, block); - status = H5Dwrite (dset, H5T_NATIVE_INT, mem_space, src_space, H5P_DEFAULT, - wdata); - status = H5Sclose (src_space); - status = H5Dclose (dset); - status = H5Fclose (file); - } - - status = H5Dclose (vdset); - status = H5Fclose (vfile); + file = H5Fopen(SRC_FILE[i], H5F_ACC_RDWR, H5P_DEFAULT); + dset = H5Dopen2(file, SRC_DATASET[i], H5P_DEFAULT); + extdims[0] = DIM0_1 + i + 1; + status = H5Dset_extent(dset, extdims); + src_space = H5Dget_space(dset); + start[0] = DIM0_1; + start[1] = 0; + start[2] = 0; + count[0] = 1; + count[1] = 1; + count[2] = 1; + block[0] = i + 1; + block[1] = DIM1; + block[2] = DIM2; + + memdims[0] = i + 1; + mem_space = H5Screate_simple(RANK, memdims, NULL); + status = H5Sselect_hyperslab(src_space, H5S_SELECT_SET, start, NULL, count, block); + status = H5Dwrite(dset, H5T_NATIVE_INT, mem_space, src_space, H5P_DEFAULT, wdata); + status = H5Sclose(src_space); + status = H5Dclose(dset); + status = H5Fclose(file); + } + + status = H5Dclose(vdset); + status = H5Fclose(vfile); /* * Now we begin the read section of this example. @@ -213,108 +190,115 @@ main (void) /* * Open file and dataset using the default properties. */ - vfile = H5Fopen (VFILE, H5F_ACC_RDONLY, H5P_DEFAULT); + vfile = H5Fopen(VFILE, H5F_ACC_RDONLY, H5P_DEFAULT); /* * Open VDS using different access properties to use max or * min extents depending on the sizes of the underlying datasets */ - dapl = H5Pcreate (H5P_DATASET_ACCESS); + dapl = H5Pcreate(H5P_DATASET_ACCESS); - for(i = 0; i < 2; i++) { - status = H5Pset_virtual_view (dapl, i ? H5D_VDS_LAST_AVAILABLE : H5D_VDS_FIRST_MISSING); - vdset = H5Dopen2 (vfile, DATASET, dapl); + for (i = 0; i < 2; i++) { + status = H5Pset_virtual_view(dapl, i ? H5D_VDS_LAST_AVAILABLE : H5D_VDS_FIRST_MISSING); + vdset = H5Dopen2(vfile, DATASET, dapl); /* Let's get space of the VDS and its dimension; we should get 32(or 20)x10x10 */ - vspace = H5Dget_space (vdset); - H5Sget_simple_extent_dims (vspace, vdsdims_out, vdsdims_max_out); - printf ("VDS dimensions, bounds = H5D_VDS_%s: ", i ? "LAST_AVAILABLE" : "FIRST_MISSING"); - for (j=0; j<RANK; j++) - printf (" %d ", (int)vdsdims_out[j]); - printf ("\n"); + vspace = H5Dget_space(vdset); + H5Sget_simple_extent_dims(vspace, vdsdims_out, vdsdims_max_out); + printf("VDS dimensions, bounds = H5D_VDS_%s: ", i ? "LAST_AVAILABLE" : "FIRST_MISSING"); + for (j = 0; j < RANK; j++) + printf(" %d ", (int)vdsdims_out[j]); + printf("\n"); /* Close */ - status = H5Dclose (vdset); - status = H5Sclose (vspace); + status = H5Dclose(vdset); + status = H5Sclose(vspace); } - status = H5Pclose (dapl); + status = H5Pclose(dapl); - vdset = H5Dopen2 (vfile, DATASET, H5P_DEFAULT); + vdset = H5Dopen2(vfile, DATASET, H5P_DEFAULT); /* * Get creation property list and mapping properties. */ - dcpl = H5Dget_create_plist (vdset); + dcpl = H5Dget_create_plist(vdset); /* * Get storage layout. */ - layout = H5Pget_layout (dcpl); + layout = H5Pget_layout(dcpl); if (H5D_VIRTUAL == layout) printf(" Dataset has a virtual layout \n"); else printf(" Wrong layout found \n"); - /* - * Find number of mappings. - */ - status = H5Pget_virtual_count (dcpl, &num_map); - printf(" Number of mappings is %lu\n", (unsigned long)num_map); - - /* - * Get mapping parameters for each mapping. - */ - for (i = 0; i < (int)num_map; i++) { - printf(" Mapping %d \n", i); - printf(" Selection in the virtual dataset \n"); - /* Get selection in the virttual dataset */ - vspace = H5Pget_virtual_vspace (dcpl, (size_t)i); - if (H5Sget_select_type(vspace) == H5S_SEL_HYPERSLABS) { - if (H5Sis_regular_hyperslab(vspace)) { - status = H5Sget_regular_hyperslab (vspace, start_out, stride_out, count_out, block_out); - printf(" start = [%llu, %llu, %llu] \n", (unsigned long long)start_out[0], (unsigned long long)start_out[1], (unsigned long long)start_out[2]); - printf(" stride = [%llu, %llu, %llu] \n", (unsigned long long)stride_out[0], (unsigned long long)stride_out[1], (unsigned long long)stride_out[2]); - printf(" count = [%llu, %llu, %llu] \n", (unsigned long long)count_out[0], (unsigned long long)count_out[1], (unsigned long long)count_out[2]); - printf(" block = [%llu, %llu, %llu] \n", (unsigned long long)block_out[0], (unsigned long long)block_out[1], (unsigned long long)block_out[2]); - } - } - /* Get source file name */ - len = H5Pget_virtual_filename (dcpl, (size_t)i, NULL, 0); - filename = (char *)malloc((size_t)len*sizeof(char)+1); - H5Pget_virtual_filename (dcpl, (size_t)i, filename, len+1); - printf(" Source filename %s\n", filename); - - /* Get source dataset name */ - len = H5Pget_virtual_dsetname (dcpl, (size_t)i, NULL, 0); - dsetname = (char *)malloc((size_t)len*sizeof(char)+1); - H5Pget_virtual_dsetname (dcpl, (size_t)i, dsetname, len+1); - printf(" Source dataset name %s\n", dsetname); - - /* Get selection in the source dataset */ - printf(" Selection in the source dataset \n"); - src_space = H5Pget_virtual_srcspace (dcpl, (size_t)i); - if (H5Sget_select_type(src_space) == H5S_SEL_HYPERSLABS) { - if (H5Sis_regular_hyperslab(src_space)) { - status = H5Sget_regular_hyperslab (src_space, start_out, stride_out, count_out, block_out); - printf(" start = [%llu, %llu, %llu] \n", (unsigned long long)start_out[0], (unsigned long long)start_out[1], (unsigned long long)start_out[2]); - printf(" stride = [%llu, %llu, %llu] \n", (unsigned long long)stride_out[0], (unsigned long long)stride_out[1], (unsigned long long)stride_out[2]); - printf(" count = [%llu, %llu, %llu] \n", (unsigned long long)count_out[0], (unsigned long long)count_out[1], (unsigned long long)count_out[2]); - printf(" block = [%llu, %llu, %llu] \n", (unsigned long long)block_out[0], (unsigned long long)block_out[1], (unsigned long long)block_out[2]); - } - } - H5Sclose(vspace); - H5Sclose(src_space); - free(filename); - free(dsetname); - } + /* + * Find number of mappings. + */ + status = H5Pget_virtual_count(dcpl, &num_map); + printf(" Number of mappings is %lu\n", (unsigned long)num_map); + + /* + * Get mapping parameters for each mapping. + */ + for (i = 0; i < (int)num_map; i++) { + printf(" Mapping %d \n", i); + printf(" Selection in the virtual dataset \n"); + /* Get selection in the virttual dataset */ + vspace = H5Pget_virtual_vspace(dcpl, (size_t)i); + if (H5Sget_select_type(vspace) == H5S_SEL_HYPERSLABS) { + if (H5Sis_regular_hyperslab(vspace)) { + status = H5Sget_regular_hyperslab(vspace, start_out, stride_out, count_out, block_out); + printf(" start = [%llu, %llu, %llu] \n", (unsigned long long)start_out[0], + (unsigned long long)start_out[1], (unsigned long long)start_out[2]); + printf(" stride = [%llu, %llu, %llu] \n", (unsigned long long)stride_out[0], + (unsigned long long)stride_out[1], (unsigned long long)stride_out[2]); + printf(" count = [%llu, %llu, %llu] \n", (unsigned long long)count_out[0], + (unsigned long long)count_out[1], (unsigned long long)count_out[2]); + printf(" block = [%llu, %llu, %llu] \n", (unsigned long long)block_out[0], + (unsigned long long)block_out[1], (unsigned long long)block_out[2]); + } + } + /* Get source file name */ + len = H5Pget_virtual_filename(dcpl, (size_t)i, NULL, 0); + filename = (char *)malloc((size_t)len * sizeof(char) + 1); + H5Pget_virtual_filename(dcpl, (size_t)i, filename, len + 1); + printf(" Source filename %s\n", filename); + + /* Get source dataset name */ + len = H5Pget_virtual_dsetname(dcpl, (size_t)i, NULL, 0); + dsetname = (char *)malloc((size_t)len * sizeof(char) + 1); + H5Pget_virtual_dsetname(dcpl, (size_t)i, dsetname, len + 1); + printf(" Source dataset name %s\n", dsetname); + + /* Get selection in the source dataset */ + printf(" Selection in the source dataset \n"); + src_space = H5Pget_virtual_srcspace(dcpl, (size_t)i); + if (H5Sget_select_type(src_space) == H5S_SEL_HYPERSLABS) { + if (H5Sis_regular_hyperslab(src_space)) { + status = H5Sget_regular_hyperslab(src_space, start_out, stride_out, count_out, block_out); + printf(" start = [%llu, %llu, %llu] \n", (unsigned long long)start_out[0], + (unsigned long long)start_out[1], (unsigned long long)start_out[2]); + printf(" stride = [%llu, %llu, %llu] \n", (unsigned long long)stride_out[0], + (unsigned long long)stride_out[1], (unsigned long long)stride_out[2]); + printf(" count = [%llu, %llu, %llu] \n", (unsigned long long)count_out[0], + (unsigned long long)count_out[1], (unsigned long long)count_out[2]); + printf(" block = [%llu, %llu, %llu] \n", (unsigned long long)block_out[0], + (unsigned long long)block_out[1], (unsigned long long)block_out[2]); + } + } + H5Sclose(vspace); + H5Sclose(src_space); + free(filename); + free(dsetname); + } /* * Close and release resources. */ - status = H5Pclose (dcpl); - status = H5Dclose (vdset); - status = H5Fclose (vfile); + status = H5Pclose(dcpl); + status = H5Dclose(vdset); + status = H5Fclose(vfile); return 0; } - |