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| author | Robert Kim Yates <rkyates@llnl.gov> | 1998-08-28 23:37:58 (GMT) |
|---|---|---|
| committer | Robert Kim Yates <rkyates@llnl.gov> | 1998-08-28 23:37:58 (GMT) |
| commit | 1373661a78b7a6d3c7526cd8f80b9ba3460a1d74 (patch) | |
| tree | 83bd2e2ef70d44c57fa8fd53453aea99067ab10a /src/H5Fprivate.h | |
| parent | 96c2b5fec405a2dd4a63b7482a431dfc984523df (diff) | |
| download | hdf5-1373661a78b7a6d3c7526cd8f80b9ba3460a1d74.zip hdf5-1373661a78b7a6d3c7526cd8f80b9ba3460a1d74.tar.gz hdf5-1373661a78b7a6d3c7526cd8f80b9ba3460a1d74.tar.bz2 | |
[svn-r630] Added code to eliminate redundant writes of metadata,
so only proc 0 writes it to disk. The elimination is activated
only when the environment variable HDF5_MPI_1_METAWRITE is nonzero;
otherwise all processes that opened the file will write the metadata to disk.
Diffstat (limited to 'src/H5Fprivate.h')
| -rw-r--r-- | src/H5Fprivate.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/H5Fprivate.h b/src/H5Fprivate.h index 396b448..5e60efe 100644 --- a/src/H5Fprivate.h +++ b/src/H5Fprivate.h @@ -392,6 +392,8 @@ typedef struct H5F_low_t { /* MPI-IO */ struct { MPI_File f; /* MPI-IO file handle */ + hbool_t allsame;/* all procs should write same data, * + * so only p0 will do the actual write */ } mpio; #endif |