summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorQuincey Koziol <koziol@lbl.gov>2020-08-20 23:24:07 (GMT)
committerQuincey Koziol <koziol@lbl.gov>2020-08-21 21:18:51 (GMT)
commit3c5512eac4ecbd6f6a0fe1276de89c4fd2ae48e5 (patch)
tree0de678700120e4b663acdd974b5ce445c1301ff8
parent5a23ba8b59a2d91754dd8334aba12c860378c20a (diff)
downloadhdf5-3c5512eac4ecbd6f6a0fe1276de89c4fd2ae48e5.zip
hdf5-3c5512eac4ecbd6f6a0fe1276de89c4fd2ae48e5.tar.gz
hdf5-3c5512eac4ecbd6f6a0fe1276de89c4fd2ae48e5.tar.bz2
Simplify default use of MPI_BYTE
-rw-r--r--src/H5Dchunk.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/src/H5Dchunk.c b/src/H5Dchunk.c
index 9543654..42ffd3e 100644
--- a/src/H5Dchunk.c
+++ b/src/H5Dchunk.c
@@ -4957,7 +4957,7 @@ H5D__chunk_collective_fill(const H5D_t *dset, H5D_chunk_coll_info_t *chunk_info,
int blocks, leftover, block_len; /* converted to int for MPI */
MPI_Aint *chunk_disp_array = NULL;
int *block_lens = NULL;
- MPI_Datatype mem_type = MPI_DATATYPE_NULL, file_type = MPI_DATATYPE_NULL;
+ MPI_Datatype mem_type = MPI_BYTE, file_type = MPI_BYTE;
H5FD_mpio_xfer_t prev_xfer_mode; /* Previous data xfer mode */
hbool_t have_xfer_mode = FALSE; /* Whether the previous xffer mode has been retrieved */
hbool_t need_addr_sort = FALSE;
@@ -5049,11 +5049,6 @@ H5D__chunk_collective_fill(const H5D_t *dset, H5D_chunk_coll_info_t *chunk_info,
if(MPI_SUCCESS != (mpi_code = MPI_Type_commit(&mem_type)))
HMPI_GOTO_ERROR(FAIL, "MPI_Type_commit failed", mpi_code)
} /* end if */
- else {
- /* Set up file & memory MPI types, to participate in collective write */
- file_type = MPI_BYTE;
- mem_type = MPI_BYTE;
- } /* end else */
/* Set MPI-IO VFD properties */
@@ -5085,10 +5080,10 @@ done:
HDONE_ERROR(H5E_DATASET, H5E_CANTSET, FAIL, "can't set transfer mode")
/* free things */
- if(MPI_DATATYPE_NULL != file_type && MPI_BYTE != file_type)
+ if(MPI_BYTE != file_type)
if(MPI_SUCCESS != (mpi_code = MPI_Type_free(&file_type)))
HMPI_DONE_ERROR(FAIL, "MPI_Type_free failed", mpi_code)
- if(MPI_DATATYPE_NULL != mem_type && MPI_BYTE != mem_type)
+ if(MPI_BYTE != mem_type)
if(MPI_SUCCESS != (mpi_code = MPI_Type_free(&mem_type)))
HMPI_DONE_ERROR(FAIL, "MPI_Type_free failed", mpi_code)
H5MM_xfree(chunk_disp_array);