diff options
| -rw-r--r-- | testpar/t_filters_parallel.c | 140 | ||||
| -rw-r--r-- | testpar/t_filters_parallel.h | 9 |
2 files changed, 149 insertions, 0 deletions
diff --git a/testpar/t_filters_parallel.c b/testpar/t_filters_parallel.c index fe134e0..3647732 100644 --- a/testpar/t_filters_parallel.c +++ b/testpar/t_filters_parallel.c @@ -69,6 +69,9 @@ static void test_read_cmpd_filtered_dataset_no_conversion_shared(void); static void test_read_cmpd_filtered_dataset_type_conversion_unshared(void); static void test_read_cmpd_filtered_dataset_type_conversion_shared(void); +/* Other miscellaneous tests */ +static void test_shrinking_growing_chunks(void); + /* * Tests for attempting to round-trip the data going from * @@ -117,6 +120,7 @@ static void (*tests[])(void) = { test_read_cmpd_filtered_dataset_type_conversion_shared, test_write_serial_read_parallel, test_write_parallel_read_serial, + test_shrinking_growing_chunks, }; /* @@ -5700,6 +5704,142 @@ test_write_parallel_read_serial(void) return; } +/* + * Tests that causing chunks to continually grow and shrink + * by writing random data followed by zeroed-out data (and + * thus controlling the compression ratio) does not cause + * problems. + * + * Programmer: Jordan Henderson + * 06/04/2018 + */ +static void +test_shrinking_growing_chunks(void) +{ + float *data = NULL; + hsize_t dataset_dims[SHRINKING_GROWING_CHUNKS_DATASET_DIMS]; + hsize_t chunk_dims[SHRINKING_GROWING_CHUNKS_DATASET_DIMS]; + hsize_t sel_dims[SHRINKING_GROWING_CHUNKS_DATASET_DIMS]; + hsize_t start[SHRINKING_GROWING_CHUNKS_DATASET_DIMS]; + hsize_t stride[SHRINKING_GROWING_CHUNKS_DATASET_DIMS]; + hsize_t count[SHRINKING_GROWING_CHUNKS_DATASET_DIMS]; + hsize_t block[SHRINKING_GROWING_CHUNKS_DATASET_DIMS]; + size_t i, data_size; + hid_t file_id = -1, dset_id = -1, plist_id = -1; + hid_t filespace = -1, memspace = -1; + + if (MAINPROCESS) puts("Testing continually shrinking/growing chunks"); + + /* 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] = (hsize_t) SHRINKING_GROWING_CHUNKS_NROWS; + dataset_dims[1] = (hsize_t) SHRINKING_GROWING_CHUNKS_NCOLS; + chunk_dims[0] = (hsize_t) SHRINKING_GROWING_CHUNKS_CH_NROWS; + chunk_dims[1] = (hsize_t) SHRINKING_GROWING_CHUNKS_CH_NCOLS; + sel_dims[0] = (hsize_t) SHRINKING_GROWING_CHUNKS_CH_NROWS; + sel_dims[1] = (hsize_t) SHRINKING_GROWING_CHUNKS_NCOLS; + + filespace = H5Screate_simple(SHRINKING_GROWING_CHUNKS_DATASET_DIMS, dataset_dims, NULL); + VRFY((filespace >= 0), "File dataspace creation succeeded"); + + memspace = H5Screate_simple(SHRINKING_GROWING_CHUNKS_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, SHRINKING_GROWING_CHUNKS_DATASET_DIMS, chunk_dims) >= 0), + "Chunk size set"); + + /* Add test filter to the pipeline */ + VRFY((set_dcpl_filter(plist_id) >= 0), "Filter set"); + + dset_id = H5Dcreate2(file_id, SHRINKING_GROWING_CHUNKS_DATASET_NAME, H5T_NATIVE_DOUBLE, 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] = (hsize_t) SHRINKING_GROWING_CHUNKS_NCOLS / (hsize_t) SHRINKING_GROWING_CHUNKS_CH_NCOLS; + stride[0] = (hsize_t) SHRINKING_GROWING_CHUNKS_CH_NROWS; + stride[1] = (hsize_t) SHRINKING_GROWING_CHUNKS_CH_NCOLS; + block[0] = (hsize_t) SHRINKING_GROWING_CHUNKS_CH_NROWS; + block[1] = (hsize_t) SHRINKING_GROWING_CHUNKS_CH_NCOLS; + start[0] = ((hsize_t) mpi_rank * (hsize_t) SHRINKING_GROWING_CHUNKS_CH_NROWS * count[0]); + start[1] = 0; + + if (VERBOSE_MED) { + printf("Process %d is writing with count[ %llu, %llu ], stride[ %llu, %llu ], start[ %llu, %llu ], block size[ %llu, %llu ]\n", + mpi_rank, count[0], count[1], stride[0], stride[1], start[0], start[1], block[0], block[1]); + fflush(stdout); + } + + /* Select hyperslab in the file */ + filespace = H5Dget_space(dset_id); + VRFY((dset_id >= 0), "File dataspace retrieval succeeded"); + + VRFY((H5Sselect_hyperslab(filespace, H5S_SELECT_SET, start, stride, count, block) >= 0), + "Hyperslab selection succeeded"); + + /* 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"); + + data_size = sel_dims[0] * sel_dims[1] * sizeof(*data); + + data = (float *) HDcalloc(1, data_size); + VRFY((NULL != data), "HDcalloc succeeded"); + + for (i = 0; i < SHRINKING_GROWING_CHUNKS_NLOOPS; i++) { + /* Continually write random float data, followed by zeroed-out data */ + if ((i % 2)) + HDmemset(data, 0, data_size); + else { + size_t j; + for (j = 0; j < data_size / sizeof(*data); j++) { + data[j] = (float) ( rand() / (double) (RAND_MAX / (double) 1.0L) ); + } + } + + VRFY((H5Dwrite(dset_id, H5T_NATIVE_DOUBLE, memspace, filespace, plist_id, data) >= 0), + "Dataset write succeeded"); + } + + if (data) HDfree(data); + + VRFY((H5Dclose(dset_id) >= 0), "Dataset close succeeded"); + VRFY((H5Sclose(filespace) >= 0), "File dataspace close succeeded"); + VRFY((H5Sclose(memspace) >= 0), "Memory dataspace close succeeded"); + VRFY((H5Pclose(plist_id) >= 0), "DXPL close succeeded"); + VRFY((H5Fclose(file_id) >= 0), "File close succeeded"); + + return; +} + int main(int argc, char** argv) { diff --git a/testpar/t_filters_parallel.h b/testpar/t_filters_parallel.h index 797d12d..9543508 100644 --- a/testpar/t_filters_parallel.h +++ b/testpar/t_filters_parallel.h @@ -327,4 +327,13 @@ typedef struct { #define WRITE_PARALLEL_READ_SERIAL_CH_NROWS (WRITE_PARALLEL_READ_SERIAL_NROWS / mpi_size) #define WRITE_PARALLEL_READ_SERIAL_CH_NCOLS (WRITE_PARALLEL_READ_SERIAL_NCOLS / mpi_size) +/* Defines for the shrinking/growing chunks test */ +#define SHRINKING_GROWING_CHUNKS_DATASET_NAME "shrink_grow_chunks_test" +#define SHRINKING_GROWING_CHUNKS_DATASET_DIMS 2 +#define SHRINKING_GROWING_CHUNKS_NROWS (mpi_size * DIM0_SCALE_FACTOR) +#define SHRINKING_GROWING_CHUNKS_NCOLS (mpi_size * DIM1_SCALE_FACTOR) +#define SHRINKING_GROWING_CHUNKS_CH_NROWS (SHRINKING_GROWING_CHUNKS_NROWS / mpi_size) +#define SHRINKING_GROWING_CHUNKS_CH_NCOLS (SHRINKING_GROWING_CHUNKS_NCOLS / mpi_size) +#define SHRINKING_GROWING_CHUNKS_NLOOPS 20 + #endif /* TEST_PARALLEL_FILTERS_H_ */ |