Removed chunking and compression in parallel mode. This is not yet supported by hdf5 (v. 1.8.x).

src/parallel_io.c

@@ -183,8 +183,8 @@ void writeArrayBackEnd(hid_t grp, char* fileName, FILE* xmfFile, char* name,
                        int mpi_rank, long long offset, char* part_c,
                        struct UnitSystem* us,
                        enum UnitConversionFactor convFactor) {
-  hid_t h_data = 0, h_err = 0, h_memspace = 0, h_filespace = 0, h_plist_id = 0, h_prop = 0;
-  hsize_t shape[2], shape_total[2], offsets[2], chunk_shape[2];
+  hid_t h_data = 0, h_err = 0, h_memspace = 0, h_filespace = 0, h_plist_id = 0;
+  hsize_t shape[2], shape_total[2], offsets[2];
   void* temp = 0;
   int i = 0, rank = 0;
   const size_t typeSize = sizeOfType(type);
@@ -223,8 +223,6 @@ void writeArrayBackEnd(hid_t grp, char* fileName, FILE* xmfFile, char* name,
     shape_total[1] = dim;
     offsets[0] = offset;
     offsets[1] = 0;
-    chunk_shape[0] = 1 << 16; /* Just a guess...*/
-    chunk_shape[1] = dim;
   } else {
     rank = 1;
     shape[0] = N;
@@ -233,8 +231,6 @@ void writeArrayBackEnd(hid_t grp, char* fileName, FILE* xmfFile, char* name,
     shape_total[1] = 0;
     offsets[0] = offset;
     offsets[1] = 0;
-    chunk_shape[0] = 1 << 16; /* Just a guess...*/
-    chunk_shape[1] = 0;
   }
 
   /* Change shape of memory data space */
@@ -250,24 +246,8 @@ void writeArrayBackEnd(hid_t grp, char* fileName, FILE* xmfFile, char* name,
     error("Error while changing data space (file) shape for field '%s'.", name);
   }
 
-  /* Dataset properties */
-  h_prop = H5Pcreate(H5P_DATASET_CREATE);
-
-  /* Set chunk size */
-  h_err = H5Pset_chunk(h_prop, rank, chunk_shape);
-  if (h_err < 0) {
-    error("Error while setting chunk size (%lld, %lld) for field '%s'.",
-          chunk_shape[0], chunk_shape[1], name);
-  }
-
-  /* Impose data compression */
-  h_err = H5Pset_deflate(h_prop, 4);
-  if (h_err < 0) {
-    error("Error while setting compression options for field '%s'.", name);
-  }
-
   /* Create dataset */
-  h_data = H5Dcreate(grp, name, hdf5Type(type), h_filespace, H5P_DEFAULT, h_prop, H5P_DEFAULT);
+  h_data = H5Dcreate(grp, name, hdf5Type(type), h_filespace, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
   if (h_data < 0) {
     error("Error while creating dataset '%s'.", name);
   }