diff options
Diffstat (limited to 'src/H5CX.c')
-rw-r--r-- | src/H5CX.c | 170 |
1 files changed, 167 insertions, 3 deletions
@@ -198,6 +198,7 @@ typedef struct H5CX_t { MPI_Datatype btype; /* MPI datatype for buffer, when using collective I/O */ MPI_Datatype ftype; /* MPI datatype for file, when using collective I/O */ hbool_t mpi_file_flushing; /* Whether an MPI-opened file is being flushed */ + hbool_t rank0_bcast; /* Whether a dataset meets read-with-rank0-and-bcast requirements */ #endif /* H5_HAVE_PARALLEL */ /* Cached DXPL properties */ @@ -261,6 +262,8 @@ typedef struct H5CX_t { hbool_t mpio_coll_chunk_multi_ratio_coll_set; /* Whether instrumented "collective chunk multi ratio coll" value is set */ int mpio_coll_chunk_multi_ratio_ind; /* Instrumented "collective chunk multi ratio ind" value (H5D_XFER_COLL_CHUNK_MULTI_RATIO_IND_NAME) */ hbool_t mpio_coll_chunk_multi_ratio_ind_set; /* Whether instrumented "collective chunk multi ratio ind" value is set */ + hbool_t mpio_coll_rank0_bcast; /* Instrumented "collective chunk multi ratio ind" value (H5D_XFER_COLL_CHUNK_MULTI_RATIO_IND_NAME) */ + hbool_t mpio_coll_rank0_bcast_set; /* Whether instrumented "collective chunk multi ratio ind" value is set */ #endif /* H5_HAVE_INSTRUMENTED_LIBRARY */ #endif /* H5_HAVE_PARALLEL */ @@ -268,9 +271,11 @@ typedef struct H5CX_t { size_t nlinks; /* Number of soft / UD links to traverse (H5L_ACS_NLINKS_NAME) */ hbool_t nlinks_valid; /* Whether number of soft / UD links to traverse is valid */ - /* Cached VOL properties */ - void *vol_wrap_ctx; /* VOL plugin's "wrap context" for creating IDs */ - hbool_t vol_wrap_ctx_valid; /* Whether VOL plugin's "wrap context" for creating IDs is valid */ + /* Cached VOL settings */ + H5VL_connector_prop_t vol_connector_prop; /* Property for VOL connector ID & info */ + hbool_t vol_connector_prop_valid; /* Whether property for VOL connector ID & info is valid */ + void *vol_wrap_ctx; /* VOL connector's "wrap context" for creating IDs */ + hbool_t vol_wrap_ctx_valid; /* Whether VOL connector's "wrap context" for creating IDs is valid */ } H5CX_t; /* Typedef for nodes on the API context stack */ @@ -956,6 +961,40 @@ done: /*------------------------------------------------------------------------- + * Function: H5CX_set_vol_connector_prop + * + * Purpose: Sets the VOL connector ID & info for an operation. + * + * Return: Non-negative on success / Negative on failure + * + * Programmer: Quincey Koziol + * January 3, 2019 + * + *------------------------------------------------------------------------- + */ +herr_t +H5CX_set_vol_connector_prop(const H5VL_connector_prop_t *vol_connector_prop) +{ + H5CX_node_t **head = H5CX_get_my_context(); /* Get the pointer to the head of the API context, for this thread */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity check */ + HDassert(head && *head); + + /* Set the API context value */ + HDmemcpy(&(*head)->ctx.vol_connector_prop, vol_connector_prop, sizeof(H5VL_connector_prop_t)); + + /* Mark the value as valid */ + (*head)->ctx.vol_connector_prop_valid = TRUE; + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5CX_set_vol_connector_prop() */ + + +/*------------------------------------------------------------------------- * Function: H5CX_get_dxpl * * Purpose: Retrieves the DXPL ID for the current API call context. @@ -1044,6 +1083,42 @@ done: /*------------------------------------------------------------------------- + * Function: H5CX_get_vol_connector_prop + * + * Purpose: Retrieves the VOL connector ID & info for an operation. + * + * Return: Non-negative on success / Negative on failure + * + * Programmer: Quincey Koziol + * January 3, 2019 + * + *------------------------------------------------------------------------- + */ +herr_t +H5CX_get_vol_connector_prop(H5VL_connector_prop_t *vol_connector_prop) +{ + H5CX_node_t **head = H5CX_get_my_context(); /* Get the pointer to the head of the API context, for this thread */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity check */ + HDassert(vol_connector_prop); + HDassert(head && *head); + + /* Check for value that was set */ + if((*head)->ctx.vol_connector_prop_valid) + /* Get the value */ + HDmemcpy(vol_connector_prop, &(*head)->ctx.vol_connector_prop, sizeof(H5VL_connector_prop_t)); + else + HDmemset(vol_connector_prop, 0, sizeof(H5VL_connector_prop_t)); + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5CX_get_vol_connector_prop() */ + + +/*------------------------------------------------------------------------- * Function: H5CX_get_tag * * Purpose: Retrieves the object tag for the current API call context. @@ -1182,6 +1257,32 @@ H5CX_get_mpi_file_flushing(void) FUNC_LEAVE_NOAPI((*head)->ctx.mpi_file_flushing) } /* end H5CX_get_mpi_file_flushing() */ + + +/*------------------------------------------------------------------------- + * Function: H5CX_get_mpio_rank0_bcast + * + * Purpose: Retrieves if the dataset meets read-with-rank0-and-bcast requirements for the current API call context. + * + * Return: Non-negative on success / Negative on failure + * + * Programmer: M. Breitenfeld + * December 31, 2018 + * + *------------------------------------------------------------------------- + */ +hbool_t +H5CX_get_mpio_rank0_bcast(void) +{ + H5CX_node_t **head = H5CX_get_my_context(); /* Get the pointer to the head of the API context, for this thread */ + + FUNC_ENTER_NOAPI_NOINIT_NOERR + + /* Sanity check */ + HDassert(head && *head); + + FUNC_LEAVE_NOAPI((*head)->ctx.rank0_bcast) +} /* end H5CX_get_mpio_rank0_bcast() */ #endif /* H5_HAVE_PARALLEL */ @@ -2113,6 +2214,34 @@ H5CX_set_mpi_file_flushing(hbool_t flushing) FUNC_LEAVE_NOAPI_VOID } /* end H5CX_set_mpi_file_flushing() */ + + +/*------------------------------------------------------------------------- + * Function: H5CX_set_mpio_rank0_bcast + * + * Purpose: Sets the "dataset meets read-with-rank0-and-bcast requirements" flag for the current API call context. + * + * Return: <none> + * + * Programmer: M. Breitenfeld + * December 31, 2018 + * + *------------------------------------------------------------------------- + */ +void +H5CX_set_mpio_rank0_bcast(hbool_t rank0_bcast) +{ + H5CX_node_t **head = H5CX_get_my_context(); /* Get the pointer to the head of the API context, for this thread */ + + FUNC_ENTER_NOAPI_NOINIT_NOERR + + /* Sanity checks */ + HDassert(head && *head); + + (*head)->ctx.rank0_bcast = rank0_bcast; + + FUNC_LEAVE_NOAPI_VOID +} /* end H5CX_set_mpio_rank0_bcast() */ #endif /* H5_HAVE_PARALLEL */ @@ -2524,6 +2653,40 @@ H5CX_test_set_mpio_coll_chunk_multi_ratio_ind(int mpio_coll_chunk_multi_ratio_in done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5CX_test_set_mpio_coll_chunk_multi_ratio_ind() */ + + +/*------------------------------------------------------------------------- + * Function: H5CX_test_set_mpio_coll_rank0_bcast + * + * Purpose: Sets the instrumented "read-with-rank0-bcast" flag for the current API call context. + * + * Note: Only sets value if property set in DXPL + * + * Return: Non-negative on success / Negative on failure + * + * Programmer: Quincey Koziol + * January 2, 2019 + * + *------------------------------------------------------------------------- + */ +herr_t +H5CX_test_set_mpio_coll_rank0_bcast(hbool_t mpio_coll_rank0_bcast) +{ + H5CX_node_t **head = H5CX_get_my_context(); /* Get the pointer to the head of the API context, for this thread */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT + + /* Sanity checks */ + HDassert(head && *head); + HDassert(!((*head)->ctx.dxpl_id == H5P_DEFAULT || + (*head)->ctx.dxpl_id == H5P_DATASET_XFER_DEFAULT)); + + H5CX_TEST_SET_PROP(H5D_XFER_COLL_RANK0_BCAST_NAME, mpio_coll_rank0_bcast) + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5CX_test_set_mpio_coll_rank0_bcast() */ #endif /* H5_HAVE_INSTRUMENTED_LIBRARY */ #endif /* H5_HAVE_PARALLEL */ @@ -2568,6 +2731,7 @@ H5CX__pop_common(void) H5CX_SET_PROP(H5D_XFER_COLL_CHUNK_LINK_NUM_FALSE_NAME, mpio_coll_chunk_link_num_false) H5CX_SET_PROP(H5D_XFER_COLL_CHUNK_MULTI_RATIO_COLL_NAME, mpio_coll_chunk_multi_ratio_coll) H5CX_SET_PROP(H5D_XFER_COLL_CHUNK_MULTI_RATIO_IND_NAME, mpio_coll_chunk_multi_ratio_ind) + H5CX_SET_PROP(H5D_XFER_COLL_RANK0_BCAST_NAME, mpio_coll_rank0_bcast) #endif /* H5_HAVE_INSTRUMENTED_LIBRARY */ #endif /* H5_HAVE_PARALLEL */ |