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updated defined constants

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This commit is contained in:
M. Scot Breitenfeld
2019-01-02 11:48:48 -06:00
parent 00990e28f3
commit 774098afa6
1 changed files with 10 additions and 6 deletions
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16
src/H5Dmpio.c
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@@ -83,6 +83,10 @@
/* Macros to represent the regularity of the selection for multiple chunk IO case. */
#define H5D_CHUNK_SELECT_REG 1
/* Macros for reason's to not enable read-proc-and-bcast. */
#define H5D_MPIO_PROC0_BCAST 0x00
#define H5D_MPIO_NOT_H5S_ALL 0x01
#define H5D_MPIO_GREATER_THAN_2GB 0x02
/******************/
/* Local Typedefs */
@@ -281,9 +285,9 @@ H5D__mpio_opt_possible(const H5D_io_info_t *io_info, const H5S_t *file_space,
const H5S_t *mem_space, const H5D_type_info_t *type_info)
{
H5FD_mpio_xfer_t io_xfer_mode; /* MPI I/O transfer mode */
unsigned local_cause[2] = {0,0}; /* [0] Local reason(s) for breaking collective mode */
/* [1] Flag if dataset is both: H5S_ALL and small */
unsigned global_cause[2] = {0,0}; /* Global reason(s) for breaking collective mode */
unsigned local_cause[2] = {0,H5D_MPIO_PROC0_BCAST}; /* [0] Local reason(s) for breaking collective mode */
/* [1] Flag if dataset is both: H5S_ALL and small */
unsigned global_cause[2] = {0,H5D_MPIO_PROC0_BCAST}; /* Global reason(s) for breaking collective mode */
htri_t ret_value = SUCCEED; /* Return value */
hbool_t H5FD_MPIO_Proc0_BCast; /* Flag if dataset is both: H5S_ALL and < 2GB */
@@ -354,7 +358,7 @@ H5D__mpio_opt_possible(const H5D_io_info_t *io_info, const H5S_t *file_space,
/* Flag to do a MPI_Bcast of the data from one proc instead of
* having all the processes involved in the persistent I/O.
*/
local_cause[1] |= 0x01;
local_cause[1] |= H5D_MPIO_NOT_H5S_ALL;
}
else {
@@ -367,7 +371,7 @@ H5D__mpio_opt_possible(const H5D_io_info_t *io_info, const H5S_t *file_space,
H5D__get_storage_size(io_info->dset, &dset_storage_size);
if(dset_storage_size > ((hsize_t)(H5_2GB) - 1) ) {
local_cause[1] |= 0x02;
local_cause[1] |= H5D_MPIO_GREATER_THAN_2GB;
}
}
@@ -393,7 +397,7 @@ H5D__mpio_opt_possible(const H5D_io_info_t *io_info, const H5S_t *file_space,
ret_value = global_cause[0] > 0 ? FALSE : TRUE;
/* read-proc0-and-bcast if collective and H5S_ALL */
if(global_cause[0] == 0 && global_cause[1] == 0)
if(global_cause[0] == 0 && global_cause[1] == H5D_MPIO_PROC0_BCAST)
H5FD_MPIO_Proc0_BCast = TRUE;
/* Set Flag if dataset is both: H5S_ALL and < 2GB in the API context */