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-rw-r--r--src/H5Dmpio.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/src/H5Dmpio.c b/src/H5Dmpio.c
index 9ce6c9e..88171c8 100644
--- a/src/H5Dmpio.c
+++ b/src/H5Dmpio.c
@@ -811,8 +811,6 @@ H5D__chunk_collective_io(H5D_io_info_t *io_info, const H5D_type_info_t *type_inf
}
#endif
-io_option = H5D_MULTI_CHUNK_IO;
-
/* step 2: Go ahead to do IO.*/
switch (io_option) {
case H5D_ONE_LINK_CHUNK_IO:
@@ -2593,7 +2591,7 @@ H5D__construct_filtered_io_info_list(const H5D_io_info_t *io_info, const H5D_typ
MPI_Status *send_statuses = NULL; /* Array of MPI_Isend chunk modification send statuses */
hbool_t mem_iter_init = FALSE;
size_t num_chunks_selected;
- size_t i;
+ size_t i, last_assigned_idx;
int *send_counts = NULL;
int *send_displacements = NULL;
int mpi_rank, mpi_size, mpi_code;
@@ -2739,7 +2737,7 @@ H5D__construct_filtered_io_info_list(const H5D_io_info_t *io_info, const H5D_typ
/* Now that the chunks have been redistributed, each process must send its modification data
* to the new owners of any of the chunks it previously possessed
*/
- for (i = 0; i < num_chunks_selected; i++) {
+ for (i = 0, last_assigned_idx = 0; i < num_chunks_selected; i++) {
if (mpi_rank != local_info_array[i].owners.new_owner) {
H5D_filtered_collective_io_info_t chunk_entry = local_info_array[i];
H5D_chunk_info_t *chunk_info = NULL;
@@ -2796,8 +2794,13 @@ H5D__construct_filtered_io_info_list(const H5D_io_info_t *io_info, const H5D_typ
mod_data = NULL;
} /* end if */
} /* end if */
+ else {
+ local_info_array[last_assigned_idx++] = local_info_array[i];
+ } /* end else */
} /* end for */
+ num_chunks_selected = last_assigned_idx;
+
/* Wait for all async send requests to complete before returning */
if (num_send_requests) {
if (NULL == (send_statuses = (MPI_Status *) H5MM_malloc(num_send_requests * sizeof(*send_statuses))))
@@ -2887,14 +2890,12 @@ H5D__mpio_filtered_collective_write_type(H5D_filtered_collective_io_info_t *chun
base_buf = chunk_list[0].buf;
for (i = 0; i < num_entries; i++) {
- if (chunk_list[i].owners.original_owner == chunk_list[i].owners.new_owner) {
- /* Set up the offset in the file, the length of the chunk data, and the relative
- * displacement of the chunk data write buffer
- */
- file_offset_array[i] = (MPI_Aint) chunk_list[i].chunk_states.new_chunk.offset;
- length_array[i] = (int) chunk_list[i].chunk_states.new_chunk.length;
- write_buf_array[i] = (MPI_Aint) chunk_list[i].buf - (MPI_Aint) base_buf;
- }
+ /* Set up the offset in the file, the length of the chunk data, and the relative
+ * displacement of the chunk data write buffer
+ */
+ file_offset_array[i] = (MPI_Aint) chunk_list[i].chunk_states.new_chunk.offset;
+ length_array[i] = (int) chunk_list[i].chunk_states.new_chunk.length;
+ write_buf_array[i] = (MPI_Aint) chunk_list[i].buf - (MPI_Aint) base_buf;
} /* end for */
/* Create memory MPI type */