diff options
Diffstat (limited to 'src/H5FDmpio.c')
-rw-r--r-- | src/H5FDmpio.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/H5FDmpio.c b/src/H5FDmpio.c index d2377cb..9149d2b 100644 --- a/src/H5FDmpio.c +++ b/src/H5FDmpio.c @@ -559,13 +559,13 @@ done: /*------------------------------------------------------------------------- * Function: H5Pset_dxpl_mpio_collective_opt * - * Purpose: To set a flag to choose linked chunk I/O or multi-chunk I/O - * without involving decision-making inside HDF5 - * - * Note: The library will do linked chunk I/O or multi-chunk I/O without - * involving communications for decision-making process. - * The library won't behave as it asks for only when we find - * that the low-level MPI-IO package doesn't support this. + * Purpose: Set the data transfer property list DXPL_ID to use transfer + * mode OPT_MODE during I/O. This allows the application to + * specify collective I/O at the HDF5 interface level (with + * the H5Pset_dxpl_mpio routine), while controlling whether + * the actual I/O is performed collectively (e.g., via + * MPI_File_write_at_all) or independently (e.g., via + * MPI_File_write_at). * * Return: Success: Non-negative * Failure: Negative @@ -2032,7 +2032,7 @@ done: /*------------------------------------------------------------------------- * Function: H5FD__mpio_read_vector() * - * Purpose: The behaviour of this function dependes on the value of + * Purpose: The behavior of this function depends on the value of * the io_xfer_mode obtained from the context. * * If it is H5FD_MPIO_COLLECTIVE, this is a collective |