diff options
Diffstat (limited to 'testpar')
| -rw-r--r-- | testpar/t_filters_parallel.c | 144 |
1 files changed, 142 insertions, 2 deletions
diff --git a/testpar/t_filters_parallel.c b/testpar/t_filters_parallel.c index f84c2db..186c7c4 100644 --- a/testpar/t_filters_parallel.c +++ b/testpar/t_filters_parallel.c @@ -2218,9 +2218,150 @@ test_write_serial_read_parallel(void) static void test_write_parallel_read_serial(void) { + C_DATATYPE *data = NULL; + C_DATATYPE *read_buf = NULL; + C_DATATYPE *correct_buf = NULL; + hsize_t dataset_dims[WRITE_PARALLEL_READ_SERIAL_DATASET_DIMS]; + hsize_t chunk_dims[WRITE_PARALLEL_READ_SERIAL_DATASET_DIMS]; + hsize_t sel_dims[WRITE_PARALLEL_READ_SERIAL_DATASET_DIMS]; + hsize_t count[WRITE_PARALLEL_READ_SERIAL_DATASET_DIMS]; + hsize_t stride[WRITE_PARALLEL_READ_SERIAL_DATASET_DIMS]; + hsize_t block[WRITE_PARALLEL_READ_SERIAL_DATASET_DIMS]; + hsize_t offset[WRITE_PARALLEL_READ_SERIAL_DATASET_DIMS]; + size_t i, data_size, correct_buf_size; + hid_t file_id = -1, dset_id = -1, plist_id = -1; + hid_t filespace = -1, memspace = -1; + + if (MAINPROCESS) puts("Testing write file in parallel; read serially"); + + /* Set up file access property list with parallel I/O access */ + plist_id = H5Pcreate(H5P_FILE_ACCESS); + VRFY((plist_id >= 0), "FAPL creation succeeded"); + + VRFY((H5Pset_fapl_mpio(plist_id, comm, info) >= 0), "Set FAPL MPIO succeeded"); + + VRFY((H5Pset_libver_bounds(plist_id, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) >= 0), "Set libver bounds succeeded"); + + file_id = H5Fopen(filenames[0], H5F_ACC_RDWR, plist_id); + VRFY((file_id >= 0), "Test file open succeeded"); + + VRFY((H5Pclose(plist_id) >= 0), "FAPL close succeeded"); + + /* Create the dataspace for the dataset */ + dataset_dims[0] = WRITE_PARALLEL_READ_SERIAL_NROWS; + dataset_dims[1] = WRITE_PARALLEL_READ_SERIAL_NCOLS; + dataset_dims[2] = WRITE_PARALLEL_READ_SERIAL_DEPTH; + chunk_dims[0] = WRITE_PARALLEL_READ_SERIAL_CH_NROWS; + chunk_dims[1] = WRITE_PARALLEL_READ_SERIAL_CH_NCOLS; + chunk_dims[2] = 1; + sel_dims[0] = WRITE_PARALLEL_READ_SERIAL_CH_NROWS; + sel_dims[1] = WRITE_PARALLEL_READ_SERIAL_NCOLS; + sel_dims[2] = WRITE_PARALLEL_READ_SERIAL_DEPTH; + + filespace = H5Screate_simple(WRITE_PARALLEL_READ_SERIAL_DATASET_DIMS, dataset_dims, NULL); + VRFY((filespace >= 0), "File dataspace creation succeeded"); + + memspace = H5Screate_simple(WRITE_PARALLEL_READ_SERIAL_DATASET_DIMS, sel_dims, NULL); + VRFY((memspace >= 0), "Memory dataspace creation succeeded"); + + /* Create chunked dataset */ + plist_id = H5Pcreate(H5P_DATASET_CREATE); + VRFY((plist_id >= 0), "DCPL creation succeeded"); + + VRFY((H5Pset_chunk(plist_id, WRITE_PARALLEL_READ_SERIAL_DATASET_DIMS, chunk_dims) >= 0), "Chunk size set"); + + /* Add test filter to the pipeline */ + VRFY((SET_FILTER(plist_id) >= 0), "Filter set"); + + dset_id = H5Dcreate(file_id, WRITE_PARALLEL_READ_SERIAL_DATASET_NAME, HDF5_DATATYPE_NAME, filespace, + H5P_DEFAULT, plist_id, H5P_DEFAULT); + VRFY((dset_id >= 0), "Dataset creation succeeded"); + + VRFY((H5Pclose(plist_id) >= 0), "DCPL close succeeded"); + VRFY((H5Sclose(filespace) >= 0), "File dataspace close succeeded"); + + /* Each process defines the dataset selection in memory and writes + * it to the hyperslab in the file + */ + count[0] = 1; + count[1] = WRITE_PARALLEL_READ_SERIAL_NCOLS / WRITE_PARALLEL_READ_SERIAL_CH_NCOLS; + count[2] = NUM_MPI_RANKS; + stride[0] = WRITE_PARALLEL_READ_SERIAL_CH_NROWS; + stride[1] = WRITE_PARALLEL_READ_SERIAL_CH_NCOLS; + stride[2] = 1; + block[0] = WRITE_PARALLEL_READ_SERIAL_CH_NROWS; + block[1] = WRITE_PARALLEL_READ_SERIAL_CH_NCOLS; + block[2] = 1; + offset[0] = ((hsize_t) mpi_rank * WRITE_PARALLEL_READ_SERIAL_CH_NROWS * count[0]); + offset[1] = 0; + offset[2] = 0; + + if (VERBOSE_MED) + printf("Process %d is writing with count[ %llu, %llu, %llu ], stride[ %llu, %llu, %llu ], offset[ %llu, %llu, %llu ], block size[ %llu, %llu, %llu ]\n", + mpi_rank, count[0], count[1], count[2], stride[0], stride[1], stride[2], offset[0], offset[1], offset[2], block[0], block[1], block[2]); + + /* Select hyperslab in the file */ + filespace = H5Dget_space(dset_id); + VRFY((filespace >= 0), "File dataspace retrieval succeeded"); + + VRFY((H5Sselect_hyperslab(filespace, H5S_SELECT_SET, offset, stride, count, block) >= 0), "Hyperslab selection succeeded"); + + /* Fill data buffer */ + data_size = sel_dims[0] * sel_dims[1] * sel_dims[2] * sizeof(*data); + + data = (C_DATATYPE *) malloc(data_size); + VRFY((NULL != data), "malloc succeeded"); + + for (i = 0; i < data_size / sizeof(*data); i++) + data[i] = (C_DATATYPE) GEN_DATA(i); + + /* Create property list for collective dataset write */ + plist_id = H5Pcreate(H5P_DATASET_XFER); + VRFY((plist_id >= 0), "DXPL creation succeeded"); + + VRFY((H5Pset_dxpl_mpio(plist_id, H5FD_MPIO_COLLECTIVE) >= 0), "Set DXPL MPIO succeeded"); + + VRFY((H5Dwrite(dset_id, HDF5_DATATYPE_NAME, memspace, filespace, plist_id, data) >= 0), "Dataset write succeeded"); + + if (data) free(data); + + VRFY((H5Pclose(plist_id) >= 0), "DXPL close succeeded"); + VRFY((H5Sclose(filespace) >= 0), "File dataspace close succeeded"); + VRFY((H5Sclose(memspace) >= 0), "Memory dataspace close succeeded"); + VRFY((H5Dclose(dset_id) >= 0), "Dataset close succeeded"); + VRFY((H5Fclose(file_id) >= 0), "File close succeeded"); if (MAINPROCESS) { + plist_id = H5Pcreate(H5P_FILE_ACCESS); + VRFY((plist_id >= 0), "FAPL creation succeeded"); + + VRFY((H5Pset_libver_bounds(plist_id, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) >= 0), "Set libver bounds succeeded"); + + file_id = H5Fopen(filenames[0], H5F_ACC_RDWR, plist_id); + VRFY((file_id >= 0), "Test file open succeeded"); + + VRFY((H5Pclose(plist_id) >= 0), "FAPL close succeeded"); + + dset_id = H5Dopen(file_id, "/" WRITE_PARALLEL_READ_SERIAL_DATASET_NAME, H5P_DEFAULT); + VRFY((dset_id >= 0), "Dataset open succeeded"); + + correct_buf_size = dataset_dims[0] * dataset_dims[1] * dataset_dims[2] * sizeof(*correct_buf); + + correct_buf = (C_DATATYPE *) malloc(correct_buf_size); + VRFY((NULL != correct_buf), "malloc succeeded"); + read_buf = (C_DATATYPE *) malloc(correct_buf_size); + VRFY((NULL != read_buf), "malloc succeeded"); + + for (i = 0; i < correct_buf_size / sizeof(*correct_buf); i++) + correct_buf[i] = (C_DATATYPE) ((i % (dataset_dims[0] * dataset_dims[1])) + (i / (dataset_dims[0] * dataset_dims[1])));; + + VRFY((H5Dread(dset_id, HDF5_DATATYPE_NAME, H5S_ALL, H5S_ALL, H5P_DEFAULT, read_buf) >= 0), "Dataset read succeeded"); + + VRFY((0 == memcmp(read_buf, correct_buf, correct_buf_size)), "Data verification succeeded"); + + VRFY((H5Dclose(dset_id) >= 0), "Dataset close succeeded"); + VRFY((H5Fclose(file_id) >= 0), "File close succeeded"); } return; @@ -2297,8 +2438,7 @@ exit: ALARM_OFF; - /* XXX: Commented for testing */ - /* h5_clean_files(FILENAME, fapl); */ + h5_clean_files(FILENAME, fapl); H5close(); |