summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--examples/h5rados_dset_rss.c134
-rw-r--r--examples/h5rados_dset_wss.c135
2 files changed, 269 insertions, 0 deletions
diff --git a/examples/h5rados_dset_rss.c b/examples/h5rados_dset_rss.c
new file mode 100644
index 0000000..456da0c
--- /dev/null
+++ b/examples/h5rados_dset_rss.c
@@ -0,0 +1,134 @@
+#include "h5rados_example.h"
+
+int main(int argc, char *argv[]) {
+ rados_t cluster;
+ char *pool = "mypool";
+ hid_t file = -1, dset = -1, file_space = -1, mem_space = -1, fapl = -1;
+ hsize_t dims[2] = {4, 6};
+ hsize_t fstart[2], count[2], mstart[2];
+ int buf[4][6];
+ int i, j;
+
+ (void)MPI_Init(&argc, &argv);
+
+
+ if(argc != 9)
+ PRINTF_ERROR("argc != 9\n");
+
+ fstart[0] = (hsize_t)atoi(argv[3]);
+ fstart[1] = (hsize_t)atoi(argv[4]);
+ count[0] = (hsize_t)atoi(argv[5]);
+ count[1] = (hsize_t)atoi(argv[6]);
+ mstart[0] = (hsize_t)atoi(argv[7]);
+ mstart[1] = (hsize_t)atoi(argv[8]);
+
+ if(rados_create(&cluster, NULL) < 0)
+ ERROR;
+ if(rados_conf_read_file(cluster, "ceph.conf") < 0)
+ ERROR;
+
+ /* Initialize VOL */
+ if(H5VLrados_init(cluster, pool) < 0)
+ ERROR;
+
+ /* Set up FAPL */
+ if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
+ ERROR;
+ if(H5Pset_fapl_rados(fapl, MPI_COMM_WORLD, MPI_INFO_NULL) < 0)
+ ERROR;
+ if(H5Pset_all_coll_metadata_ops(fapl, true) < 0)
+ ERROR;
+
+ /* Open file */
+ if((file = H5Fopen(argv[1], H5F_ACC_RDWR, fapl)) < 0)
+ ERROR;
+
+ /* Open dataset */
+ if((dset = H5Dopen2(file, argv[2], H5P_DEFAULT)) < 0)
+ ERROR;
+
+ printf("Selecting elements denoted with X\n");
+ printf("File:\n");
+ for(i = 0; i < 4; i++) {
+ if((i >= fstart[0]) && (i < fstart[0] + count[0])) {
+ for(j = 0; j < 6; j++)
+ if((j >= fstart[1]) && (j < fstart[1] + count[1]))
+ printf("X");
+ else
+ printf(".");
+ printf("\n");
+ }
+ else
+ printf("......\n");
+ }
+ printf("\nMemory:\n");
+ for(i = 0; i < 4; i++) {
+ if((i >= mstart[0]) && (i < mstart[0] + count[0])) {
+ for(j = 0; j < 6; j++)
+ if((j >= mstart[1]) && (j < mstart[1] + count[1]))
+ printf("X");
+ else
+ printf(".");
+ printf("\n");
+ }
+ else
+ printf("......\n");
+ }
+
+ /* Set up dataspaces */
+ if((file_space = H5Screate_simple(2, dims, NULL)) < 0)
+ ERROR;
+ if((mem_space = H5Screate_simple(2, dims, NULL)) < 0)
+ ERROR;
+ if(H5Sselect_hyperslab(file_space, H5S_SELECT_SET, fstart, NULL, count, NULL) < 0)
+ ERROR;
+ if(H5Sselect_hyperslab(mem_space, H5S_SELECT_SET, mstart, NULL, count, NULL) < 0)
+ ERROR;
+
+ /* Initialize buffer */
+ for(i = 0; i < 4; i++)
+ for(j = 0; j < 6; j++)
+ buf[i][j] = -1;
+
+ /* Read data */
+ if(H5Dread(dset, H5T_NATIVE_INT, mem_space, file_space, H5P_DEFAULT, buf) < 0)
+ ERROR;
+
+ /* Fill and print buffer */
+ printf("Successfully read data. Buffer is:\n");
+ for(i = 0; i < 4; i++) {
+ for(j = 0; j < 6; j++)
+ printf("%d ", buf[i][j]);
+ printf("\n");
+ }
+
+ /* Close */
+ if(H5Dclose(dset) < 0)
+ ERROR;
+ if(H5Fclose(file) < 0)
+ ERROR;
+ if(H5Sclose(file_space) < 0)
+ ERROR;
+ if(H5Sclose(mem_space) < 0)
+ ERROR;
+ if(H5Pclose(fapl) < 0)
+ ERROR;
+
+ printf("Success\n");
+
+ (void)MPI_Finalize();
+ return 0;
+
+error:
+ H5E_BEGIN_TRY {
+ H5Dclose(dset);
+ H5Fclose(file);
+ H5Sclose(file_space);
+ H5Sclose(mem_space);
+ H5Pclose(fapl);
+ } H5E_END_TRY;
+
+ (void)MPI_Finalize();
+ return 1;
+}
+
diff --git a/examples/h5rados_dset_wss.c b/examples/h5rados_dset_wss.c
new file mode 100644
index 0000000..cefc1ed
--- /dev/null
+++ b/examples/h5rados_dset_wss.c
@@ -0,0 +1,135 @@
+#include "h5rados_example.h"
+#include <time.h>
+
+int main(int argc, char *argv[]) {
+ rados_t cluster;
+ char *pool = "mypool";
+ hid_t file = -1, dset = -1, file_space = -1, mem_space = -1, fapl = -1;
+ hsize_t dims[2] = {4, 6};
+ hsize_t mstart[2], count[2], fstart[2];
+ int buf[4][6];
+ int i, j;
+
+ (void)MPI_Init(&argc, &argv);
+
+ /* Seed random number generator */
+ srand(time(NULL));
+
+ if(argc != 9)
+ PRINTF_ERROR("argc != 9\n");
+
+ mstart[0] = (hsize_t)atoi(argv[3]);
+ mstart[1] = (hsize_t)atoi(argv[4]);
+ count[0] = (hsize_t)atoi(argv[5]);
+ count[1] = (hsize_t)atoi(argv[6]);
+ fstart[0] = (hsize_t)atoi(argv[7]);
+ fstart[1] = (hsize_t)atoi(argv[8]);
+
+ if(rados_create(&cluster, NULL) < 0)
+ ERROR;
+ if(rados_conf_read_file(cluster, "ceph.conf") < 0)
+ ERROR;
+
+ /* Initialize VOL */
+ if(H5VLrados_init(cluster, pool) < 0)
+ ERROR;
+
+ /* Set up FAPL */
+ if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
+ ERROR;
+ if(H5Pset_fapl_rados(fapl, MPI_COMM_WORLD, MPI_INFO_NULL) < 0)
+ ERROR;
+ if(H5Pset_all_coll_metadata_ops(fapl, true) < 0)
+ ERROR;
+
+ /* Open file */
+ if((file = H5Fopen(argv[1], H5F_ACC_RDWR, fapl)) < 0)
+ ERROR;
+
+ /* Open dataset */
+ if((dset = H5Dopen2(file, argv[2], H5P_DEFAULT)) < 0)
+ ERROR;
+
+ printf("Selecting elements denoted with X\n");
+ printf("Memory:\n");
+ for(i = 0; i < 4; i++) {
+ if((i >= mstart[0]) && (i < mstart[0] + count[0])) {
+ for(j = 0; j < 6; j++)
+ if((j >= mstart[1]) && (j < mstart[1] + count[1]))
+ printf("X");
+ else
+ printf(".");
+ printf("\n");
+ }
+ else
+ printf("......\n");
+ }
+ printf("\nFile:\n");
+ for(i = 0; i < 4; i++) {
+ if((i >= fstart[0]) && (i < fstart[0] + count[0])) {
+ for(j = 0; j < 6; j++)
+ if((j >= fstart[1]) && (j < fstart[1] + count[1]))
+ printf("X");
+ else
+ printf(".");
+ printf("\n");
+ }
+ else
+ printf("......\n");
+ }
+
+ /* Fill and print buffer */
+ printf("Writing data. Buffer is:\n");
+ for(i = 0; i < 4; i++) {
+ for(j = 0; j < 6; j++) {
+ buf[i][j] = rand() % 10;
+ printf("%d ", buf[i][j]);
+ }
+ printf("\n");
+ }
+
+
+ /* Set up dataspaces */
+ if((file_space = H5Screate_simple(2, dims, NULL)) < 0)
+ ERROR;
+ if((mem_space = H5Screate_simple(2, dims, NULL)) < 0)
+ ERROR;
+ if(H5Sselect_hyperslab(file_space, H5S_SELECT_SET, fstart, NULL, count, NULL) < 0)
+ ERROR;
+ if(H5Sselect_hyperslab(mem_space, H5S_SELECT_SET, mstart, NULL, count, NULL) < 0)
+ ERROR;
+
+ /* Write data */
+ if(H5Dwrite(dset, H5T_NATIVE_INT, mem_space, file_space, H5P_DEFAULT, buf) < 0)
+ ERROR;
+
+ /* Close */
+ if(H5Dclose(dset) < 0)
+ ERROR;
+ if(H5Fclose(file) < 0)
+ ERROR;
+ if(H5Sclose(file_space) < 0)
+ ERROR;
+ if(H5Sclose(mem_space) < 0)
+ ERROR;
+ if(H5Pclose(fapl) < 0)
+ ERROR;
+
+ printf("Success\n");
+
+ (void)MPI_Finalize();
+ return 0;
+
+error:
+ H5E_BEGIN_TRY {
+ H5Dclose(dset);
+ H5Fclose(file);
+ H5Sclose(file_space);
+ H5Sclose(mem_space);
+ H5Pclose(fapl);
+ } H5E_END_TRY;
+
+ (void)MPI_Finalize();
+ return 1;
+}
+
generated by cgit v0.12 at 2024-11-15 20:11:15 (GMT)