[svn-r29607] Description:

    Bring "don't filter partial edge chunks" capability from revise_chunks
to trunk.

Tested on:
    MacOSX/64 10.11.4 (amazon) w/debug, production & parallel
    (h5committest forthcoming)

1 files changed, 112 insertions, 94 deletions

diff --git a/testpar/t_dset.c b/testpar/t_dset.c
index 2e1005c..b7f2fc0 100644
--- a/testpar/t_dset.c
+++ b/testpar/t_dset.c
@@ -2515,6 +2515,8 @@ compress_readAll(void)
     int rank=1;                 /* Dataspace rank */
     hsize_t dim=dim0;           /* Dataspace dimensions */
     unsigned u;                 /* Local index variable */
+    unsigned    chunk_opts;         /* Chunk options */
+    unsigned    disable_partial_chunk_filters; /* Whether filters are disabled on partial chunks */
     DATATYPE *data_read = NULL;	/* data buffer */
     DATATYPE *data_orig = NULL; /* expected data buffer */
     const char *filename;
@@ -2541,116 +2543,132 @@ compress_readAll(void)
     for(u=0; u<dim;u++)
         data_orig[u]=u;
 
-    /* Process zero creates the file with a compressed, chunked dataset */
-    if(mpi_rank==0) {
-        hsize_t chunk_dim;           /* Chunk dimensions */
-
-        /* Create the file */
-        fid = H5Fcreate(h5_rmprefix(filename), H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
-        VRFY((fid > 0), "H5Fcreate succeeded");
-
-        /* Create property list for chunking and compression */
-        dcpl = H5Pcreate(H5P_DATASET_CREATE);
-        VRFY((dcpl > 0), "H5Pcreate succeeded");
-
-        ret = H5Pset_layout(dcpl, H5D_CHUNKED);
-        VRFY((ret >= 0), "H5Pset_layout succeeded");
-
-        /* Use eight chunks */
-        chunk_dim = dim / 8;
-        ret = H5Pset_chunk(dcpl, rank, &chunk_dim);
-        VRFY((ret >= 0), "H5Pset_chunk succeeded");
+    /* Run test both with and without filters disabled on partial chunks */
+    for(disable_partial_chunk_filters = 0; disable_partial_chunk_filters <= 1;
+            disable_partial_chunk_filters++) {
+        /* Process zero creates the file with a compressed, chunked dataset */
+        if(mpi_rank==0) {
+            hsize_t chunk_dim;           /* Chunk dimensions */
+
+            /* Create the file */
+            fid = H5Fcreate(h5_rmprefix(filename), H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
+            VRFY((fid > 0), "H5Fcreate succeeded");
+
+            /* Create property list for chunking and compression */
+            dcpl = H5Pcreate(H5P_DATASET_CREATE);
+            VRFY((dcpl > 0), "H5Pcreate succeeded");
+
+            ret = H5Pset_layout(dcpl, H5D_CHUNKED);
+            VRFY((ret >= 0), "H5Pset_layout succeeded");
+
+            /* Use eight chunks */
+            chunk_dim = dim / 8;
+            ret = H5Pset_chunk(dcpl, rank, &chunk_dim);
+            VRFY((ret >= 0), "H5Pset_chunk succeeded");
+
+            /* Set chunk options appropriately */
+            if(disable_partial_chunk_filters) {
+                ret = H5Pget_chunk_opts(dcpl, &chunk_opts);
+                VRFY((ret>=0),"H5Pget_chunk_opts succeeded");
+
+                chunk_opts |= H5D_CHUNK_DONT_FILTER_PARTIAL_CHUNKS;
+
+                ret = H5Pset_chunk_opts(dcpl, chunk_opts);
+                VRFY((ret>=0),"H5Pset_chunk_opts succeeded");
+            } /* end if */
+
+            ret = H5Pset_deflate(dcpl, 9);
+            VRFY((ret >= 0), "H5Pset_deflate succeeded");
+
+            /* Create dataspace */
+            dataspace = H5Screate_simple(rank, &dim, NULL);
+            VRFY((dataspace > 0), "H5Screate_simple succeeded");
+
+            /* Create dataset */
+            dataset = H5Dcreate2(fid, "compressed_data", H5T_NATIVE_INT, dataspace, H5P_DEFAULT, dcpl, H5P_DEFAULT);
+            VRFY((dataset > 0), "H5Dcreate2 succeeded");
+
+            /* Write compressed data */
+            ret = H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data_orig);
+            VRFY((ret >= 0), "H5Dwrite succeeded");
+
+            /* Close objects */
+            ret = H5Pclose(dcpl);
+            VRFY((ret >= 0), "H5Pclose succeeded");
+            ret = H5Sclose(dataspace);
+            VRFY((ret >= 0), "H5Sclose succeeded");
+            ret = H5Dclose(dataset);
+            VRFY((ret >= 0), "H5Dclose succeeded");
+            ret = H5Fclose(fid);
+            VRFY((ret >= 0), "H5Fclose succeeded");
+        }
 
-        ret = H5Pset_deflate(dcpl, 9);
-        VRFY((ret >= 0), "H5Pset_deflate succeeded");
+        /* Wait for file to be created */
+        MPI_Barrier(comm);
 
-        /* Create dataspace */
-        dataspace = H5Screate_simple(rank, &dim, NULL);
-        VRFY((dataspace > 0), "H5Screate_simple succeeded");
+        /* -------------------
+        * OPEN AN HDF5 FILE
+        * -------------------*/
 
-        /* Create dataset */
-        dataset = H5Dcreate2(fid, "compressed_data", H5T_NATIVE_INT, dataspace, H5P_DEFAULT, dcpl, H5P_DEFAULT);
-        VRFY((dataset > 0), "H5Dcreate2 succeeded");
+        /* setup file access template */
+        acc_tpl = create_faccess_plist(comm, info, facc_type);
+        VRFY((acc_tpl >= 0), "");
 
-        /* Write compressed data */
-        ret = H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data_orig);
-        VRFY((ret >= 0), "H5Dwrite succeeded");
+        /* open the file collectively */
+        fid=H5Fopen(filename,H5F_ACC_RDWR,acc_tpl);
+        VRFY((fid > 0), "H5Fopen succeeded");
 
-        /* Close objects */
-        ret = H5Pclose(dcpl);
+        /* Release file-access template */
+        ret = H5Pclose(acc_tpl);
         VRFY((ret >= 0), "H5Pclose succeeded");
-        ret = H5Sclose(dataspace);
-        VRFY((ret >= 0), "H5Sclose succeeded");
-        ret = H5Dclose(dataset);
-        VRFY((ret >= 0), "H5Dclose succeeded");
-        ret = H5Fclose(fid);
-        VRFY((ret >= 0), "H5Fclose succeeded");
-    }
 
-    /* Wait for file to be created */
-    MPI_Barrier(comm);
-
-    /* -------------------
-     * OPEN AN HDF5 FILE
-     * -------------------*/
 
-    /* setup file access template */
-    acc_tpl = create_faccess_plist(comm, info, facc_type);
-    VRFY((acc_tpl >= 0), "");
+        /* Open dataset with compressed chunks */
+        dataset = H5Dopen2(fid, "compressed_data", H5P_DEFAULT);
+        VRFY((dataset > 0), "H5Dopen2 succeeded");
 
-    /* open the file collectively */
-    fid=H5Fopen(filename,H5F_ACC_RDWR,acc_tpl);
-    VRFY((fid > 0), "H5Fopen succeeded");
+        /* Try reading & writing data */
+        if(dataset>0) {
+            /* Create dataset transfer property list */
+            xfer_plist = H5Pcreate(H5P_DATASET_XFER);
+            VRFY((xfer_plist > 0), "H5Pcreate succeeded");
 
-    /* Release file-access template */
-    ret = H5Pclose(acc_tpl);
-    VRFY((ret >= 0), "H5Pclose succeeded");
-
-
-    /* Open dataset with compressed chunks */
-    dataset = H5Dopen2(fid, "compressed_data", H5P_DEFAULT);
-    VRFY((dataset > 0), "H5Dopen2 succeeded");
-
-    /* Try reading & writing data */
-    if(dataset>0) {
-        /* Create dataset transfer property list */
-        xfer_plist = H5Pcreate(H5P_DATASET_XFER);
-        VRFY((xfer_plist > 0), "H5Pcreate succeeded");
-
-        ret = H5Pset_dxpl_mpio(xfer_plist, H5FD_MPIO_COLLECTIVE);
-        VRFY((ret >= 0), "H5Pset_dxpl_mpio succeeded");
-        if(dxfer_coll_type == DXFER_INDEPENDENT_IO) {
-          ret = H5Pset_dxpl_mpio_collective_opt(xfer_plist,H5FD_MPIO_INDIVIDUAL_IO);
-          VRFY((ret>= 0),"set independent IO collectively succeeded");
-        }
+            ret = H5Pset_dxpl_mpio(xfer_plist, H5FD_MPIO_COLLECTIVE);
+            VRFY((ret >= 0), "H5Pset_dxpl_mpio succeeded");
+            if(dxfer_coll_type == DXFER_INDEPENDENT_IO) {
+            ret = H5Pset_dxpl_mpio_collective_opt(xfer_plist,H5FD_MPIO_INDIVIDUAL_IO);
+            VRFY((ret>= 0),"set independent IO collectively succeeded");
+            }
 
 
-        /* Try reading the data */
-        ret = H5Dread(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, xfer_plist, data_read);
-        VRFY((ret >= 0), "H5Pset_dxpl_mpio succeeded");
+            /* Try reading the data */
+            ret = H5Dread(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, xfer_plist, data_read);
+            VRFY((ret >= 0), "H5Pset_dxpl_mpio succeeded");
 
-        /* Verify data read */
-        for(u=0; u<dim; u++)
-            if(data_orig[u]!=data_read[u]) {
-                printf("Line #%d: written!=retrieved: data_orig[%u]=%d, data_read[%u]=%d\n",__LINE__,
-                    (unsigned)u,data_orig[u],(unsigned)u,data_read[u]);
-                nerrors++;
-            }
+            /* Verify data read */
+            for(u=0; u<dim; u++)
+                if(data_orig[u]!=data_read[u]) {
+                    printf("Line #%d: written!=retrieved: data_orig[%u]=%d, data_read[%u]=%d\n",__LINE__,
+                        (unsigned)u,data_orig[u],(unsigned)u,data_read[u]);
+                    nerrors++;
+                }
 
-        /* Writing to the compressed, chunked dataset in parallel should fail */
-        H5E_BEGIN_TRY {
-            ret = H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, xfer_plist, data_read);
-        } H5E_END_TRY;
-        VRFY((ret < 0), "H5Dwrite failed");
+            /* Writing to the compressed, chunked dataset in parallel should fail */
+            H5E_BEGIN_TRY {
+                ret = H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, xfer_plist, data_read);
+            } H5E_END_TRY;
+            VRFY((ret < 0), "H5Dwrite failed");
 
-        ret = H5Pclose(xfer_plist);
-        VRFY((ret >= 0), "H5Pclose succeeded");
-        ret = H5Dclose(dataset);
-        VRFY((ret >= 0), "H5Dclose succeeded");
-    } /* end if */
+            ret = H5Pclose(xfer_plist);
+            VRFY((ret >= 0), "H5Pclose succeeded");
+            ret = H5Dclose(dataset);
+            VRFY((ret >= 0), "H5Dclose succeeded");
+        } /* end if */
 
-    ret = H5Fclose(fid);
-    VRFY((ret >= 0), "H5Fclose succeeded");
+        /* Close file */
+        ret = H5Fclose(fid);
+        VRFY((ret >= 0), "H5Fclose succeeded");
+    } /* end for */
 
     /* release data buffers */
     if(data_read) HDfree(data_read);