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Quincey's patch for NCF-269 parallel I/O bug.

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This commit is contained in:
Russ Rew 2013-09-16 20:06:54 -06:00
parent 5f6f724d3d
commit 68c8303743
1 changed files with 2 additions and 2 deletions
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4
libsrc4/nc4hdf.c
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@ -798,11 +798,11 @@ nc4_put_vara(NC *nc, int ncid, int varid, const size_t *startp,
BAIL(NC_ECANTEXTEND);
/* Reach consensus about dimension sizes to extend to */
/* (Note: Somewhat hackish, with the use of MPI_BYTE, but MPI_MAX is
/* (Note: Somewhat hackish, with the use of MPI_INTEGER, but MPI_MAX is
* correct with this usage, as long as it's not executed on
* heterogenous systems)
*/
if(MPI_SUCCESS != MPI_Allreduce(MPI_IN_PLACE, &xtend_size, (var->ndims * sizeof(hsize_t)), MPI_BYTE, MPI_MAX, h5->comm))
if(MPI_SUCCESS != MPI_Allreduce(MPI_IN_PLACE, &xtend_size, (var->ndims * (sizeof(hsize_t) / sizeof(int))), MPI_INTEGER, MPI_MAX, h5->comm))
BAIL(NC_EMPI);
}
#endif /* USE_PARALLEL */