diff options
Diffstat (limited to 'src/H5Ppublic.h')
| -rw-r--r-- | src/H5Ppublic.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/H5Ppublic.h b/src/H5Ppublic.h index 80c028a..492a468 100644 --- a/src/H5Ppublic.h +++ b/src/H5Ppublic.h @@ -120,6 +120,38 @@ typedef H5P_prp_cb1_t H5P_prp_close_func_t; /* Define property list iteration function type */ typedef herr_t (*H5P_iterate_t)(hid_t id, const char *name, void *iter_data); +/* Actual IO mode property */ +typedef enum H5D_mpio_actual_chunk_opt_mode_t { + /* The default value, H5D_MPIO_NO_CHUNK_OPTIMIZATION, is used for all I/O + * operations that do not use chunk optimizations, including non-collective + * I/O and contiguous collective I/O. + */ + H5D_MPIO_NO_CHUNK_OPTIMIZATION = 0, + H5D_MPIO_LINK_CHUNK, + H5D_MPIO_MULTI_CHUNK, + H5D_MPIO_MULTI_CHUNK_NO_OPT +} H5D_mpio_actual_chunk_opt_mode_t; + +typedef enum H5D_mpio_actual_io_mode_t { + /* The following four values are conveniently defined as a bit field so that + * we can switch from the default to indpendent or collective and then to + * mixed without having to check the original value. + * + * NO_COLLECTIVE means that either collective I/O wasn't requested or that + * no I/O took place. + * + * CHUNK_INDEPENDENT means that collective I/O was requested, but the + * chunk optimization scheme chose independent I/O for each chunk. + */ + H5D_MPIO_NO_COLLECTIVE = 0x0, + H5D_MPIO_CHUNK_INDEPENDENT = 0x1, + H5D_MPIO_CHUNK_COLLECTIVE = 0x2, + H5D_MPIO_CHUNK_MIXED = 0x1 | 0x2, + + /* The contiguous case is separate from the bit field. */ + H5D_MPIO_CONTIGUOUS_COLLECTIVE = 0x4 +} H5D_mpio_actual_io_mode_t; + /********************/ /* Public Variables */ /********************/ @@ -359,6 +391,10 @@ H5_DLL herr_t H5Pset_type_conv_cb(hid_t dxpl_id, H5T_conv_except_func_t op, void H5_DLL herr_t H5Pget_type_conv_cb(hid_t dxpl_id, H5T_conv_except_func_t *op, void** operate_data); H5_DLL herr_t H5Pset_enum_conv_overflow(hid_t plist_id, hbool_t conv_overflow); H5_DLL herr_t H5Pget_enum_conv_overflow(hid_t plist_id, hbool_t *conv_overflow/*out*/); +#ifdef H5_HAVE_PARALLEL +H5_DLL herr_t H5Pget_mpio_actual_chunk_opt_mode(hid_t plist_id, H5D_mpio_actual_chunk_opt_mode_t *actual_chunk_opt_mode); +H5_DLL herr_t H5Pget_mpio_actual_io_mode(hid_t plist_id, H5D_mpio_actual_io_mode_t *actual_io_mode); +#endif /* H5_HAVE_PARALLEL */ /* Link creation property list (LCPL) routines */ H5_DLL herr_t H5Pset_create_intermediate_group(hid_t plist_id, unsigned crt_intmd); |