From 4abc64701e4c7f378cde3ecce29f0816c5d68353 Mon Sep 17 00:00:00 2001 From: Neil Fortner Date: Wed, 14 Dec 2016 16:12:17 -0600 Subject: Add 1 MB write/read examples. Not tested. --- examples/h5dsm_dset_r1m.c | 111 +++++++++++++++++++++++++++++++++++++++++++++ examples/h5dsm_dset_w1m.c | 112 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 223 insertions(+) create mode 100644 examples/h5dsm_dset_r1m.c create mode 100644 examples/h5dsm_dset_w1m.c diff --git a/examples/h5dsm_dset_r1m.c b/examples/h5dsm_dset_r1m.c new file mode 100644 index 0000000..b6da505 --- /dev/null +++ b/examples/h5dsm_dset_r1m.c @@ -0,0 +1,111 @@ +#include "h5dsm_example.h" +#include + +int main(int argc, char *argv[]) { + uuid_t pool_uuid; + char *pool_grp = "daos_tier0"; + hid_t file = -1, dset = -1, trans = -1, fapl = -1; + hid_t nfile = -1, ndset = -1; + hsize_t dims[1] = {256 * 1024}; + int *buf = NULL, nbuf = NULL; + int i; + + (void)MPI_Init(&argc, &argv); + (void)daos_init(); + + /* Seed random number generator */ + srand(time(NULL)); + + if(argc != 4) + PRINTF_ERROR("argc != 4\n"); + + /* Parse UUID */ + if(0 != uuid_parse(argv[1], pool_uuid)) + ERROR; + + /* Set up FAPL */ + if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0) + ERROR; + if(H5Pset_fapl_daosm(fapl, MPI_COMM_WORLD, MPI_INFO_NULL, pool_uuid, pool_grp) < 0) + ERROR; + + /* Open file */ + if((file = H5Fopen_ff(argv[2], H5F_ACC_RDWR, fapl, &trans)) < 0) + ERROR; + + /* Create native file */ + if((file = H5Fopen(argv[2], H5F_ACC_RDWR, H5P_DEFAULT)) < 0) + ERROR; + + /* Create dataset */ + if((dset = H5Dopen_ff(file, argv[3], H5P_DEFAULT, trans)) < 0) + ERROR; + + /* Open native dataset */ + if((ndset = H5Dopen2(nfile, argv[3], H5P_DEFAULT)) < 0) + ERROR; + + /* Allocate buffers */ + if(NULL == (buf = (int *)malloc(dims[0] * sizeof(int)))) + ERROR; + if(NULL == (nbuf = (int *)malloc(dims[0] * sizeof(int)))) + ERROR; + + /* Read data */ + printf("Reading daos-m dataset\n"); + if(H5Dread_ff(dset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf, trans) < 0) + ERROR; + + /* Write native data */ + printf("Reading native dataset\n"); + if(H5Dread(ndset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0) + ERROR; + + /* Compare data */ + if(memcmp(buf, nbuf, dims[0] * sizeof(int))) + PRINTF_ERROR("Buffers differ\n"); + else + printf("Buffers are equal\n"); + + /* Close */ + if(H5Dclose_ff(dset, -1) < 0) + ERROR; + if(H5Dclose(ndset) < 0) + ERROR; + if(H5TRclose(trans) < 0) + ERROR; + if(H5Fclose_ff(file, -1) < 0) + ERROR; + if(H5Fclose(nfile) < 0) + ERROR; + if(H5Pclose(fapl) < 0) + ERROR; + free(buf); + buf = NULL; + free(nbuf); + nbuf = NULL; + + printf("Success\n"); + + (void)daos_fini(); + (void)MPI_Finalize(); + return 0; + +error: + H5E_BEGIN_TRY { + H5Dclose_ff(dset, -1); + H5Dclose(ndset); + H5TRclose(trans); + H5Fclose_ff(file, -1); + H5Fclose(nfile); + H5Pclose(fapl); + } H5E_END_TRY; + + free(buf); + free(nbuf); + + (void)daos_fini(); + (void)MPI_Finalize(); + return 1; +} + diff --git a/examples/h5dsm_dset_w1m.c b/examples/h5dsm_dset_w1m.c new file mode 100644 index 0000000..dbd568b --- /dev/null +++ b/examples/h5dsm_dset_w1m.c @@ -0,0 +1,112 @@ +#include "h5dsm_example.h" +#include + +int main(int argc, char *argv[]) { + uuid_t pool_uuid; + char *pool_grp = "daos_tier0"; + hid_t file = -1, dset = -1, trans = -1, space = -1, fapl = -1; + hid_t nfile = -1, ndset = -1; + hsize_t dims[1] = {256 * 1024}; + int *buf = NULL; + int i; + + (void)MPI_Init(&argc, &argv); + (void)daos_init(); + + /* Seed random number generator */ + srand(time(NULL)); + + if(argc != 4) + PRINTF_ERROR("argc != 4\n"); + + /* Parse UUID */ + if(0 != uuid_parse(argv[1], pool_uuid)) + ERROR; + + /* Set up FAPL */ + if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0) + ERROR; + if(H5Pset_fapl_daosm(fapl, MPI_COMM_WORLD, MPI_INFO_NULL, pool_uuid, pool_grp) < 0) + ERROR; + + /* Create file */ + if((file = H5Fcreate_ff(argv[2], H5F_ACC_TRUNC, H5P_DEFAULT, fapl, &trans)) < 0) + ERROR; + + /* Create native file */ + if((file = H5Fcreate(argv[2], H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT)) < 0) + ERROR; + + /* Set up dataspace */ + if((space = H5Screate_simple(1, dims, NULL)) < 0) + ERROR; + + /* Create dataset */ + if((dset = H5Dcreate_ff(file, argv[3], H5T_NATIVE_INT, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT, trans)) < 0) + ERROR; + + /* Create native dataset */ + if((ndset = H5Dcreate2(nfile, argv[3], H5T_NATIVE_INT, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0) + ERROR; + + /* Allocate buffer */ + if(NULL == (buf = (int *)malloc(dims[0] * sizeof(int)))) + ERROR; + + /* Fill buffer */ + for(i = 0; i < dims[0]; i++) + buf[i] = rand(); + + /* Write data */ + printf("Writing daos-m dataset\n"); + if(H5Dwrite_ff(dset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf, trans) < 0) + ERROR; + + /* Write native data */ + printf("Writing native dataset\n"); + if(H5Dwrite(ndset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0) + ERROR; + + /* Commit transaction */ + if(H5TRcommit(trans) < 0) + ERROR; + + /* Close */ + if(H5Dclose_ff(dset, -1) < 0) + ERROR; + if(H5Dclose(ndset) < 0) + ERROR; + if(H5TRclose(trans) < 0) + ERROR; + if(H5Fclose_ff(file, -1) < 0) + ERROR; + if(H5Fclose(nfile) < 0) + ERROR; + if(H5Pclose(fapl) < 0) + ERROR; + free(buf); + buf = NULL; + + printf("Success\n"); + + (void)daos_fini(); + (void)MPI_Finalize(); + return 0; + +error: + H5E_BEGIN_TRY { + H5Dclose_ff(dset, -1); + H5Dclose(ndset); + H5TRclose(trans); + H5Fclose_ff(file, -1); + H5Fclose(nfile); + H5Pclose(fapl); + } H5E_END_TRY; + + free(buf); + + (void)daos_fini(); + (void)MPI_Finalize(); + return 1; +} + -- cgit v0.12