diff options
Diffstat (limited to 'testpar')
| -rw-r--r-- | testpar/t_dset.c | 207 |
1 files changed, 111 insertions, 96 deletions
diff --git a/testpar/t_dset.c b/testpar/t_dset.c index fcc7973..1bbc1a4 100644 --- a/testpar/t_dset.c +++ b/testpar/t_dset.c @@ -26,51 +26,59 @@ */ void slab_set(int mpi_rank, int mpi_size, hssize_t start[], hsize_t count[], - hsize_t stride[], int mode) + hsize_t stride[], hsize_t block[], int mode) { switch (mode){ case BYROW: /* Each process takes a slabs of rows. */ - stride[0] = 1; - stride[1] = 1; - count[0] = dim0/mpi_size; - count[1] = dim1; - start[0] = mpi_rank*count[0]; + block[0] = dim0/mpi_size; + block[1] = dim1; + stride[0] = block[0]; + stride[1] = block[1]; + count[0] = 1; + count[1] = 1; + start[0] = mpi_rank*block[0]; start[1] = 0; if (verbose) printf("slab_set BYROW\n"); break; case BYCOL: /* Each process takes a block of columns. */ - stride[0] = 1; - stride[1] = 1; - count[0] = dim0; - count[1] = dim1/mpi_size; + block[0] = dim0; + block[1] = dim1/mpi_size; + stride[0] = block[0]; + stride[1] = block[1]; + count[0] = 1; + count[1] = 1; start[0] = 0; - start[1] = mpi_rank*count[1]; + start[1] = mpi_rank*block[1]; #ifdef DISABLED /* change the above macro to #ifndef if you want to test */ /* zero elements access. */ printf("set to size 0\n"); if (!(mpi_rank % 3)) - count[1]=0; + block[1]=0; #endif if (verbose) printf("slab_set BYCOL\n"); break; default: /* Unknown mode. Set it to cover the whole dataset. */ printf("unknown slab_set mode (%d)\n", mode); - stride[0] = 1; - stride[1] = 1; - count[0] = dim0; - count[1] = dim1; + block[0] = dim0; + block[1] = dim1; + stride[0] = block[0]; + stride[1] = block[1]; + count[0] = 1; + count[1] = 1; start[0] = 0; start[1] = 0; if (verbose) printf("slab_set wholeset\n"); break; } if (verbose){ - printf("start[]=(%ld,%ld), count[]=(%lu,%lu), total datapoints=%lu\n", - start[0], start[1], count[0], count[1], count[0]*count[1]); + printf("start[]=(%ld,%ld), count[]=(%lu,%lu), stride[]=(%lu,%lu), block[]=(%lu,%lu), total datapoints=%lu\n", + start[0], start[1], count[0], count[1], + stride[0], stride[1], block[0], block[1], + block[0]*block[1]*count[0]*count[1]); } } @@ -80,15 +88,15 @@ if (verbose){ * Assume dimension rank is 2 and data is stored contiguous. */ void -dataset_fill(hssize_t start[], hsize_t count[], hsize_t stride[], DATATYPE * dataset) +dataset_fill(hssize_t start[], hsize_t count[], hsize_t stride[], hsize_t block[], DATATYPE * dataset) { DATATYPE *dataptr = dataset; int i, j; /* put some trivial data in the data_array */ - for (i=0; i < count[0]; i++){ - for (j=0; j < count[1]; j++){ - *dataptr = (i*stride[0]+start[0])*100 + (j*stride[1]+start[1]+1); + for (i=0; i < block[0]; i++){ + for (j=0; j < block[1]; j++){ + *dataptr = (i+start[0])*100 + (j+start[1]+1); dataptr++; } } @@ -98,22 +106,22 @@ dataset_fill(hssize_t start[], hsize_t count[], hsize_t stride[], DATATYPE * dat /* * Print the content of the dataset. */ -void dataset_print(hssize_t start[], hsize_t count[], hsize_t stride[], DATATYPE * dataset) +void dataset_print(hssize_t start[], hsize_t count[], hsize_t stride[], hsize_t block[], DATATYPE * dataset) { DATATYPE *dataptr = dataset; int i, j; /* print the column heading */ printf("%-8s", "Cols:"); - for (j=0; j < count[1]; j++){ + for (j=0; j < block[1]; j++){ printf("%3ld ", start[1]+j); } printf("\n"); /* print the slab data */ - for (i=0; i < count[0]; i++){ - printf("Row %2ld: ", i*stride[0]+start[0]); - for (j=0; j < count[1]; j++){ + for (i=0; i < block[0]; i++){ + printf("Row %2ld: ", i+start[0]); + for (j=0; j < block[1]; j++){ printf("%03d ", *dataptr++); } printf("\n"); @@ -124,7 +132,7 @@ void dataset_print(hssize_t start[], hsize_t count[], hsize_t stride[], DATATYPE /* * Print the content of the dataset. */ -int dataset_vrfy(hssize_t start[], hsize_t count[], hsize_t stride[], DATATYPE *dataset, DATATYPE *original) +int dataset_vrfy(hssize_t start[], hsize_t count[], hsize_t stride[], hsize_t block[], DATATYPE *dataset, DATATYPE *original) { #define MAX_ERR_REPORT 10 /* Maximum number of errors reported */ DATATYPE *dataptr = dataset; @@ -135,22 +143,23 @@ int dataset_vrfy(hssize_t start[], hsize_t count[], hsize_t stride[], DATATYPE * /* print it if verbose */ if (verbose) { printf("dataset_vrfy dumping:::\n"); - printf("start(%ld, %ld), count(%lu, %lu), stride(%lu, %lu)\n", - start[0], start[1], count[0], count[1], stride[0], stride[1]); + printf("start(%ld, %ld), count(%lu, %lu), stride(%lu, %lu), block(%lu, %lu)\n", + start[0], start[1], count[0], count[1], + stride[0], stride[1], block[0], block[1]); printf("original values:\n"); - dataset_print(start, count, stride, original); + dataset_print(start, count, stride, block, original); printf("compared values:\n"); - dataset_print(start, count, stride, dataset); + dataset_print(start, count, stride, block, dataset); } vrfyerrs = 0; - for (i=0; i < count[0]; i++){ - for (j=0; j < count[1]; j++){ + for (i=0; i < block[0]; i++){ + for (j=0; j < block[1]; j++){ if (*dataset != *original){ if (vrfyerrs++ < MAX_ERR_REPORT || verbose){ printf("Dataset Verify failed at [%d][%d](row %d, col %d): expect %d, got %d\n", i, j, - (int)(i*stride[0]+start[0]), (int)(j*stride[1]+start[1]), + (int)(i+start[0]), (int)(j+start[1]), *(original), *(dataset)); } dataset++; @@ -192,6 +201,7 @@ dataset_writeInd(char *filename) hssize_t start[RANK]; /* for hyperslab setting */ hsize_t count[RANK], stride[RANK]; /* for hyperslab setting */ + hsize_t block[RANK]; /* for hyperslab setting */ herr_t ret; /* Generic return value */ int i, j; @@ -260,20 +270,20 @@ dataset_writeInd(char *filename) */ /* set up dimensions of the slab this process accesses */ - slab_set(mpi_rank, mpi_size, start, count, stride, BYROW); + slab_set(mpi_rank, mpi_size, start, count, stride, block, BYROW); /* put some trivial data in the data_array */ - dataset_fill(start, count, stride, data_array1); + dataset_fill(start, count, stride, block, data_array1); MESG("data_array initialized"); /* create a file dataspace independently */ file_dataspace = H5Dget_space (dataset1); VRFY((file_dataspace >= 0), "H5Dget_space succeeded"); - ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, NULL); + ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, block); VRFY((ret >= 0), "H5Sset_hyperslab succeeded"); /* create a memory dataspace independently */ - mem_dataspace = H5Screate_simple (RANK, count, NULL); + mem_dataspace = H5Screate_simple (RANK, block, NULL); VRFY((mem_dataspace >= 0), ""); /* write data independently */ @@ -318,7 +328,8 @@ dataset_readInd(char *filename) DATATYPE *data_origin1 = NULL; /* expected data buffer */ hssize_t start[RANK]; /* for hyperslab setting */ - hsize_t count[RANK], stride[RANK]; /* for hyperslab setting */ + hsize_t count[RANK], stride[RANK]; /* for hyperslab setting */ + hsize_t block[RANK]; /* for hyperslab setting */ herr_t ret; /* Generic return value */ int i, j; @@ -367,20 +378,20 @@ dataset_readInd(char *filename) /* set up dimensions of the slab this process accesses */ - slab_set(mpi_rank, mpi_size, start, count, stride, BYROW); + slab_set(mpi_rank, mpi_size, start, count, stride, block, BYROW); /* create a file dataspace independently */ file_dataspace = H5Dget_space (dataset1); VRFY((file_dataspace >= 0), ""); - ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, NULL); + ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, block); VRFY((ret >= 0), ""); /* create a memory dataspace independently */ - mem_dataspace = H5Screate_simple (RANK, count, NULL); + mem_dataspace = H5Screate_simple (RANK, block, NULL); VRFY((mem_dataspace >= 0), ""); /* fill dataset with test data */ - dataset_fill(start, count, stride, data_origin1); + dataset_fill(start, count, stride, block, data_origin1); /* read data independently */ ret = H5Dread(dataset1, H5T_NATIVE_INT, mem_dataspace, file_dataspace, @@ -388,7 +399,7 @@ dataset_readInd(char *filename) VRFY((ret >= 0), ""); /* verify the read data with original expected data */ - ret = dataset_vrfy(start, count, stride, data_array1, data_origin1); + ret = dataset_vrfy(start, count, stride, block, data_array1, data_origin1); if (ret) nerrors++; /* read data independently */ @@ -397,7 +408,7 @@ dataset_readInd(char *filename) VRFY((ret >= 0), ""); /* verify the read data with original expected data */ - ret = dataset_vrfy(start, count, stride, data_array1, data_origin1); + ret = dataset_vrfy(start, count, stride, block, data_array1, data_origin1); if (ret) nerrors++; /* close dataset collectively */ @@ -447,6 +458,7 @@ dataset_writeAll(char *filename) hssize_t start[RANK]; /* for hyperslab setting */ hsize_t count[RANK], stride[RANK]; /* for hyperslab setting */ + hsize_t block[RANK]; /* for hyperslab setting */ herr_t ret; /* Generic return value */ int mpi_size, mpi_rank; @@ -512,24 +524,24 @@ dataset_writeAll(char *filename) */ /* Dataset1: each process takes a block of rows. */ - slab_set(mpi_rank, mpi_size, start, count, stride, BYROW); + slab_set(mpi_rank, mpi_size, start, count, stride, block, BYROW); /* create a file dataspace independently */ file_dataspace = H5Dget_space (dataset1); VRFY((file_dataspace >= 0), "H5Dget_space succeeded"); - ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, NULL); + ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, block); VRFY((ret >= 0), "H5Sset_hyperslab succeeded"); /* create a memory dataspace independently */ - mem_dataspace = H5Screate_simple (RANK, count, NULL); + mem_dataspace = H5Screate_simple (RANK, block, NULL); VRFY((mem_dataspace >= 0), ""); /* fill the local slab with some trivial data */ - dataset_fill(start, count, stride, data_array1); + dataset_fill(start, count, stride, block, data_array1); MESG("data_array initialized"); if (verbose){ MESG("data_array created"); - dataset_print(start, count, stride, data_array1); + dataset_print(start, count, stride, block, data_array1); } /* set up the collective transfer properties list */ @@ -551,32 +563,32 @@ dataset_writeAll(char *filename) H5Pclose(xfer_plist); /* Dataset2: each process takes a block of columns. */ - slab_set(mpi_rank, mpi_size, start, count, stride, BYCOL); + slab_set(mpi_rank, mpi_size, start, count, stride, block, BYCOL); /* put some trivial data in the data_array */ - dataset_fill(start, count, stride, data_array1); + dataset_fill(start, count, stride, block, data_array1); MESG("data_array initialized"); if (verbose){ MESG("data_array created"); - dataset_print(start, count, stride, data_array1); + dataset_print(start, count, stride, block, data_array1); } /* create a file dataspace independently */ file_dataspace = H5Dget_space (dataset1); VRFY((file_dataspace >= 0), "H5Dget_space succeeded"); - ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, NULL); + ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, block); VRFY((ret >= 0), "H5Sset_hyperslab succeeded"); /* create a memory dataspace independently */ - mem_dataspace = H5Screate_simple (RANK, count, NULL); + mem_dataspace = H5Screate_simple (RANK, block, NULL); VRFY((mem_dataspace >= 0), ""); /* fill the local slab with some trivial data */ - dataset_fill(start, count, stride, data_array1); + dataset_fill(start, count, stride, block, data_array1); MESG("data_array initialized"); if (verbose){ MESG("data_array created"); - dataset_print(start, count, stride, data_array1); + dataset_print(start, count, stride, block, data_array1); } /* set up the collective transfer properties list */ @@ -638,6 +650,7 @@ dataset_readAll(char *filename) hssize_t start[RANK]; /* for hyperslab setting */ hsize_t count[RANK], stride[RANK]; /* for hyperslab setting */ + hsize_t block[RANK]; /* for hyperslab setting */ herr_t ret; /* Generic return value */ int mpi_size, mpi_rank; @@ -693,24 +706,24 @@ dataset_readAll(char *filename) */ /* Dataset1: each process takes a block of columns. */ - slab_set(mpi_rank, mpi_size, start, count, stride, BYCOL); + slab_set(mpi_rank, mpi_size, start, count, stride, block, BYCOL); /* create a file dataspace independently */ file_dataspace = H5Dget_space (dataset1); VRFY((file_dataspace >= 0), "H5Dget_space succeeded"); - ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, NULL); + ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, block); VRFY((ret >= 0), "H5Sset_hyperslab succeeded"); /* create a memory dataspace independently */ - mem_dataspace = H5Screate_simple (RANK, count, NULL); + mem_dataspace = H5Screate_simple (RANK, block, NULL); VRFY((mem_dataspace >= 0), ""); /* fill dataset with test data */ - dataset_fill(start, count, stride, data_origin1); + dataset_fill(start, count, stride, block, data_origin1); MESG("data_array initialized"); if (verbose){ MESG("data_array created"); - dataset_print(start, count, stride, data_origin1); + dataset_print(start, count, stride, block, data_origin1); } /* set up the collective transfer properties list */ @@ -725,7 +738,7 @@ dataset_readAll(char *filename) VRFY((ret >= 0), "H5Dread succeeded"); /* verify the read data with original expected data */ - ret = dataset_vrfy(start, count, stride, data_array1, data_origin1); + ret = dataset_vrfy(start, count, stride, block, data_array1, data_origin1); if (ret) nerrors++; /* release all temporary handles. */ @@ -736,24 +749,24 @@ dataset_readAll(char *filename) H5Pclose(xfer_plist); /* Dataset2: each process takes a block of rows. */ - slab_set(mpi_rank, mpi_size, start, count, stride, BYROW); + slab_set(mpi_rank, mpi_size, start, count, stride, block, BYROW); /* create a file dataspace independently */ file_dataspace = H5Dget_space (dataset1); VRFY((file_dataspace >= 0), "H5Dget_space succeeded"); - ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, NULL); + ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, block); VRFY((ret >= 0), "H5Sset_hyperslab succeeded"); /* create a memory dataspace independently */ - mem_dataspace = H5Screate_simple (RANK, count, NULL); + mem_dataspace = H5Screate_simple (RANK, block, NULL); VRFY((mem_dataspace >= 0), ""); /* fill dataset with test data */ - dataset_fill(start, count, stride, data_origin1); + dataset_fill(start, count, stride, block, data_origin1); MESG("data_array initialized"); if (verbose){ MESG("data_array created"); - dataset_print(start, count, stride, data_origin1); + dataset_print(start, count, stride, block, data_origin1); } /* set up the collective transfer properties list */ @@ -768,7 +781,7 @@ dataset_readAll(char *filename) VRFY((ret >= 0), "H5Dread succeeded"); /* verify the read data with original expected data */ - ret = dataset_vrfy(start, count, stride, data_array1, data_origin1); + ret = dataset_vrfy(start, count, stride, block, data_array1, data_origin1); if (ret) nerrors++; /* release all temporary handles. */ @@ -822,9 +835,10 @@ extend_writeInd(char *filename) hsize_t chunk_dims[RANK]; /* chunk sizes */ hid_t dataset_pl; /* dataset create prop. list */ - hssize_t start[RANK]; /* for hyperslab setting */ - hsize_t count[RANK]; /* for hyperslab setting */ - hsize_t stride[RANK]; /* for hyperslab setting */ + hssize_t start[RANK]; /* for hyperslab setting */ + hsize_t count[RANK]; /* for hyperslab setting */ + hsize_t stride[RANK]; /* for hyperslab setting */ + hsize_t block[RANK]; /* for hyperslab setting */ herr_t ret; /* Generic return value */ int i, j; @@ -903,18 +917,18 @@ extend_writeInd(char *filename) * Test writing to dataset1 * -------------------------*/ /* set up dimensions of the slab this process accesses */ - slab_set(mpi_rank, mpi_size, start, count, stride, BYROW); + slab_set(mpi_rank, mpi_size, start, count, stride, block, BYROW); /* put some trivial data in the data_array */ - dataset_fill(start, count, stride, data_array1); + dataset_fill(start, count, stride, block, data_array1); MESG("data_array initialized"); if (verbose){ MESG("data_array created"); - dataset_print(start, count, stride, data_array1); + dataset_print(start, count, stride, block, data_array1); } /* create a memory dataspace independently */ - mem_dataspace = H5Screate_simple (RANK, count, NULL); + mem_dataspace = H5Screate_simple (RANK, block, NULL); VRFY((mem_dataspace >= 0), ""); /* Extend its current dim sizes before writing */ @@ -926,7 +940,7 @@ extend_writeInd(char *filename) /* create a file dataspace independently */ file_dataspace = H5Dget_space (dataset1); VRFY((file_dataspace >= 0), "H5Dget_space succeeded"); - ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, NULL); + ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, block); VRFY((ret >= 0), "H5Sset_hyperslab succeeded"); /* write data independently */ @@ -943,18 +957,18 @@ extend_writeInd(char *filename) * Test writing to dataset2 * -------------------------*/ /* set up dimensions of the slab this process accesses */ - slab_set(mpi_rank, mpi_size, start, count, stride, BYCOL); + slab_set(mpi_rank, mpi_size, start, count, stride, block, BYCOL); /* put some trivial data in the data_array */ - dataset_fill(start, count, stride, data_array1); + dataset_fill(start, count, stride, block, data_array1); MESG("data_array initialized"); if (verbose){ MESG("data_array created"); - dataset_print(start, count, stride, data_array1); + dataset_print(start, count, stride, block, data_array1); } /* create a memory dataspace independently */ - mem_dataspace = H5Screate_simple (RANK, count, NULL); + mem_dataspace = H5Screate_simple (RANK, block, NULL); VRFY((mem_dataspace >= 0), ""); #ifndef DISABLE @@ -966,7 +980,7 @@ extend_writeInd(char *filename) /* create a file dataspace independently */ file_dataspace = H5Dget_space (dataset2); VRFY((file_dataspace >= 0), "H5Dget_space succeeded"); - ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, NULL); + ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, block); VRFY((ret >= 0), "H5Sset_hyperslab succeeded"); /* write data independently. Should fail. */ @@ -991,7 +1005,7 @@ extend_writeInd(char *filename) /* create a file dataspace independently */ file_dataspace = H5Dget_space (dataset2); VRFY((file_dataspace >= 0), "H5Dget_space succeeded"); - ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, NULL); + ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, block); VRFY((ret >= 0), "H5Sset_hyperslab succeeded"); /* write data independently */ @@ -1036,6 +1050,7 @@ extend_readInd(char *filename) hssize_t start[RANK]; /* for hyperslab setting */ hsize_t count[RANK], stride[RANK]; /* for hyperslab setting */ + hsize_t block[RANK]; /* for hyperslab setting */ herr_t ret; /* Generic return value */ int i, j; @@ -1105,23 +1120,23 @@ extend_readInd(char *filename) /* Read dataset1 using BYROW pattern */ /* set up dimensions of the slab this process accesses */ - slab_set(mpi_rank, mpi_size, start, count, stride, BYROW); + slab_set(mpi_rank, mpi_size, start, count, stride, block, BYROW); /* create a file dataspace independently */ file_dataspace = H5Dget_space (dataset1); VRFY((file_dataspace >= 0), ""); - ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, NULL); + ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, block); VRFY((ret >= 0), ""); /* create a memory dataspace independently */ - mem_dataspace = H5Screate_simple (RANK, count, NULL); + mem_dataspace = H5Screate_simple (RANK, block, NULL); VRFY((mem_dataspace >= 0), ""); /* fill dataset with test data */ - dataset_fill(start, count, stride, data_origin1); + dataset_fill(start, count, stride, block, data_origin1); if (verbose){ MESG("data_array created"); - dataset_print(start, count, stride, data_array1); + dataset_print(start, count, stride, block, data_array1); } /* read data independently */ @@ -1130,7 +1145,7 @@ extend_readInd(char *filename) VRFY((ret >= 0), "H5Dread succeeded"); /* verify the read data with original expected data */ - ret = dataset_vrfy(start, count, stride, data_array1, data_origin1); + ret = dataset_vrfy(start, count, stride, block, data_array1, data_origin1); VRFY((ret == 0), "dataset1 read verified correct"); if (ret) nerrors++; @@ -1140,23 +1155,23 @@ extend_readInd(char *filename) /* Read dataset2 using BYCOL pattern */ /* set up dimensions of the slab this process accesses */ - slab_set(mpi_rank, mpi_size, start, count, stride, BYCOL); + slab_set(mpi_rank, mpi_size, start, count, stride, block, BYCOL); /* create a file dataspace independently */ file_dataspace = H5Dget_space (dataset2); VRFY((file_dataspace >= 0), ""); - ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, NULL); + ret=H5Sselect_hyperslab(file_dataspace, H5S_SELECT_SET, start, stride, count, block); VRFY((ret >= 0), ""); /* create a memory dataspace independently */ - mem_dataspace = H5Screate_simple (RANK, count, NULL); + mem_dataspace = H5Screate_simple (RANK, block, NULL); VRFY((mem_dataspace >= 0), ""); /* fill dataset with test data */ - dataset_fill(start, count, stride, data_origin1); + dataset_fill(start, count, stride, block, data_origin1); if (verbose){ MESG("data_array created"); - dataset_print(start, count, stride, data_array1); + dataset_print(start, count, stride, block, data_array1); } /* read data independently */ @@ -1165,7 +1180,7 @@ extend_readInd(char *filename) VRFY((ret >= 0), "H5Dread succeeded"); /* verify the read data with original expected data */ - ret = dataset_vrfy(start, count, stride, data_array1, data_origin1); + ret = dataset_vrfy(start, count, stride, block, data_array1, data_origin1); VRFY((ret == 0), "dataset2 read verified correct"); if (ret) nerrors++; |