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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,172 @@ | ||
| /* | ||
| * Tests for PIO distributed arrays. | ||
| * | ||
| * @author Ed Hartnett | ||
| * @date 4/21/18 | ||
| */ | ||
| #include <config.h> | ||
| #include <pio.h> | ||
| #include <pio_internal.h> | ||
| #include <pio_tests.h> | ||
|
|
||
| /* The number of tasks this test should run on. */ | ||
| #define TARGET_NTASKS 4 | ||
|
|
||
| /* The minimum number of tasks this test should run on. */ | ||
| #define MIN_NTASKS 4 | ||
|
|
||
| /* The name of this test. */ | ||
| #define TEST_NAME "test_darray_fill" | ||
|
|
||
| /* Number of processors that will do IO. */ | ||
| #define NUM_IO_PROCS 4 | ||
|
|
||
| /* Number of computational components to create. */ | ||
| #define COMPONENT_COUNT 1 | ||
|
|
||
| #define VAR_NAME "PIO_TF_test_var" | ||
| #define DIM_NAME "PIO_TF_test_dim" | ||
| #define FILL_VALUE_NAME "_FillValue" | ||
|
|
||
| /* Test with and without specifying a fill value to | ||
| * PIOc_write_darray(). */ | ||
| #define NUM_TEST_CASES_FILLVALUE 2 | ||
|
|
||
| #define NDIM1 1 | ||
| #define MAPLEN 7 | ||
|
|
||
| /* Length of the dimensions in the sample data. */ | ||
| int dim_len[NDIM1] = {28}; | ||
|
|
||
| /* Run test for each of the rearrangers. */ | ||
| #define NUM_REARRANGERS_TO_TEST 1 | ||
|
|
||
| /* Run tests for darray functions. */ | ||
| int main(int argc, char **argv) | ||
| { | ||
| int my_rank; | ||
| int ntasks; | ||
| int num_flavors; /* Number of PIO netCDF flavors in this build. */ | ||
| int flavor[NUM_FLAVORS]; /* iotypes for the supported netCDF IO flavors. */ | ||
| MPI_Comm test_comm; /* A communicator for this test. */ | ||
| int ret; /* Return code. */ | ||
|
|
||
| /* Initialize test. */ | ||
| if ((ret = pio_test_init2(argc, argv, &my_rank, &ntasks, MIN_NTASKS, | ||
| MIN_NTASKS, 4, &test_comm))) | ||
| ERR(ERR_INIT); | ||
|
|
||
| if ((ret = PIOc_set_iosystem_error_handling(PIO_DEFAULT, PIO_RETURN_ERROR, NULL))) | ||
| return ret; | ||
|
|
||
| /* Only do something on max_ntasks tasks. */ | ||
| if (my_rank < TARGET_NTASKS) | ||
| { | ||
| /* int rearranger[NUM_REARRANGERS_TO_TEST] = {PIO_REARR_BOX, PIO_REARR_SUBSET}; */ | ||
| int rearranger[NUM_REARRANGERS_TO_TEST] = {PIO_REARR_SUBSET}; | ||
| int iosysid; /* The ID for the parallel I/O system. */ | ||
| int ioproc_stride = 1; /* Stride in the mpi rank between io tasks. */ | ||
| int ioproc_start = 0; /* Zero based rank of first processor to be used for I/O. */ | ||
| int wioid, rioid; | ||
| int maplen = MAPLEN; | ||
| MPI_Offset wcompmap[MAPLEN]; | ||
| MPI_Offset rcompmap[MAPLEN]; | ||
| int data[MAPLEN]; | ||
| int data_in[MAPLEN]; | ||
| int expected[MAPLEN]; | ||
| int fill_value_int = -2; | ||
| int ret; /* Return code. */ | ||
|
|
||
| /* Set up the compmaps. Don't forget these are 1-based | ||
| * numbers, like in Fortran! */ | ||
| for (int i = 0; i < MAPLEN; i++) | ||
| { | ||
| wcompmap[i] = i % 2 ? my_rank * MAPLEN + i + 1 : 0; /* Even values missing. */ | ||
| rcompmap[i] = my_rank * MAPLEN + i + 1; | ||
| data[i] = wcompmap[i]; | ||
| expected[i] = i % 2 ? my_rank * MAPLEN + i + 1 : fill_value_int; | ||
| } | ||
|
|
||
| /* Figure out iotypes. */ | ||
| if ((ret = get_iotypes(&num_flavors, flavor))) | ||
| ERR(ret); | ||
|
|
||
| for (int r = 0; r < NUM_REARRANGERS_TO_TEST; r++) | ||
| { | ||
| /* Initialize the PIO IO system. This specifies how | ||
| * many and which processors are involved in I/O. */ | ||
| if ((ret = PIOc_Init_Intracomm(test_comm, NUM_IO_PROCS, ioproc_stride, ioproc_start, | ||
| rearranger[r], &iosysid))) | ||
| return ret; | ||
|
|
||
| /* /\* Initialize decompositions. *\/ */ | ||
| if ((ret = PIOc_InitDecomp(iosysid, PIO_INT, NDIM1, dim_len, maplen, wcompmap, | ||
| &wioid, &rearranger[r], NULL, NULL))) | ||
| return ret; | ||
| if ((ret = PIOc_InitDecomp(iosysid, PIO_INT, NDIM1, dim_len, maplen, rcompmap, | ||
| &rioid, &rearranger[r], NULL, NULL))) | ||
| return ret; | ||
|
|
||
| int ncid, dimid, varid; | ||
| int iotype = PIO_IOTYPE_NETCDF4C; | ||
| char filename[NC_MAX_NAME + 1]; | ||
|
|
||
| /* Put together filename. */ | ||
| sprintf(filename, "%s_%d.nc", TEST_NAME, iotype); | ||
|
|
||
| /* Create file. */ | ||
| if ((ret = PIOc_createfile(iosysid, &ncid, &iotype, filename, NC_CLOBBER))) | ||
| return ret; | ||
|
|
||
| /* Define metadata. */ | ||
| if ((ret = PIOc_def_dim(ncid, DIM_NAME, dim_len[0], &dimid))) | ||
| return ret; | ||
| if ((ret = PIOc_def_var(ncid, VAR_NAME, PIO_INT, NDIM1, &dimid, &varid))) | ||
| return ret; | ||
| if ((ret = PIOc_put_att_int(ncid, varid, FILL_VALUE_NAME, PIO_INT, 1, &fill_value_int))) | ||
| return ret; | ||
| if ((ret = PIOc_enddef(ncid))) | ||
| return ret; | ||
|
|
||
| /* Write some data. */ | ||
| if ((ret = PIOc_write_darray(ncid, varid, wioid, MAPLEN, data, &fill_value_int))) | ||
| return ret; | ||
| if ((ret = PIOc_sync(ncid))) | ||
| return ret; | ||
|
|
||
| /* Read the data. */ | ||
| if ((ret = PIOc_read_darray(ncid, varid, rioid, MAPLEN, data_in))) | ||
| return ret; | ||
|
|
||
| /* Check results. */ | ||
| for (int j = 0; j < MAPLEN; j++) | ||
| { | ||
| if (data_in[j] != expected[j]) | ||
| return ERR_AWFUL; | ||
| printf("data_in[%d] = %d\n", j, data_in[j]); | ||
| } | ||
|
|
||
| /* Close file. */ | ||
| if ((ret = PIOc_closefile(ncid))) | ||
| return ret; | ||
|
|
||
| /* Free decompositions. */ | ||
| if ((ret = PIOc_freedecomp(iosysid, wioid))) | ||
| return ret; | ||
| if ((ret = PIOc_freedecomp(iosysid, rioid))) | ||
| return ret; | ||
|
|
||
| /* Finalize PIO system. */ | ||
| if ((ret = PIOc_finalize(iosysid))) | ||
| return ret; | ||
|
|
||
| } /* next rearranger */ | ||
| } /* endif my_rank < TARGET_NTASKS */ | ||
|
|
||
| /* Finalize the MPI library. */ | ||
| if ((ret = pio_test_finalize(&test_comm))) | ||
| return ret; | ||
|
|
||
| printf("%d %s SUCCESS!!\n", my_rank, TEST_NAME); | ||
| return 0; | ||
| } |