diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/H5FDfphdf5.c | 120 | ||||
| -rw-r--r-- | src/H5FDfphdf5.h | 24 |
2 files changed, 127 insertions, 17 deletions
diff --git a/src/H5FDfphdf5.c b/src/H5FDfphdf5.c index 23ef405..0ec8e32 100644 --- a/src/H5FDfphdf5.c +++ b/src/H5FDfphdf5.c @@ -100,7 +100,7 @@ typedef struct H5FD_fphdf5_fapl_t { /* * The FPHDF5 file driver information */ -static const H5FD_class_t H5FD_fphdf5_g = { +const H5FD_class_t H5FD_fphdf5_g = { "fphdf5", /*name */ HADDR_MAX, /*maxaddr */ H5F_CLOSE_SEMI, /*fc_degree */ @@ -166,7 +166,7 @@ static char H5FD_mpio_native[] = "native"; * Purpose: Initialize this driver by registering the driver with the * library. * Return: Success: The driver ID for the FPHDF5 driver. - * Failure: FAIL + * Failure: Doesn't fail. * Programmer: Bill Wendling * 30. January 2003 * Modifications: @@ -380,7 +380,7 @@ done: * Function: H5FD_fphdf5_mpi_rank * Purpose: Returns the MPI rank for a process * Return: Success: MPI rank - * Failure: FAIL + * Failure: Doesn't fail * Programmer: Bill Wendling * 30. January 2003 * Modifications: @@ -410,7 +410,7 @@ done: * Function: H5FD_fphdf5_mpi_size * Purpose: Returns the number of MPI processes * Return: Success: Number of MPI processes - * Failure: FAIL + * Failure: Doesn't fail * Programmer: Bill Wendling * 30. January 2003 * Modifications: @@ -437,6 +437,66 @@ done: /*------------------------------------------------------------------------- + * Function: H5FD_fphdf5_file_id + * Purpose: Returns the file ID for the file. + * Return: Success: File ID + * Failure: Doesn't fail + * Programmer: Bill Wendling + * 19. February 2003 + * Modifications: + *------------------------------------------------------------------------- + */ +unsigned +H5FD_fphdf5_file_id(H5FD_t *_file) +{ + H5FD_fphdf5_t *file = (H5FD_fphdf5_t*)_file; + unsigned ret_value; + + FUNC_ENTER_NOAPI(H5FD_fphdf5_file_id, 0); + + /* check args */ + assert(file); + assert(file->pub.driver_id == H5FD_FPHDF5); + + /* Set return value */ + ret_value = file->file_id; + +done: + FUNC_LEAVE_NOAPI(ret_value); +} + + +/*------------------------------------------------------------------------- + * Function: H5FD_fphdf5_is_sap + * Purpose: Asks the question "Is this process the SAP?". + * Return: Success: Non-zero if it is, 0 otherwise + * Failure: Doesn't fails + * Programmer: Bill Wendling + * 19. February 2003 + * Modifications: + *------------------------------------------------------------------------- + */ +hbool_t +H5FD_fphdf5_is_sap(H5FD_t *_file) +{ + H5FD_fphdf5_t *file = (H5FD_fphdf5_t*)_file; + hbool_t ret_value = FALSE; + + FUNC_ENTER_NOAPI(H5FD_fphdf5_is_sap, FALSE); + + /* check args */ + assert(file); + assert(file->pub.driver_id == H5FD_FPHDF5); + + /* Set return value */ + ret_value = ((unsigned)file->mpi_rank == H5FP_sap_rank); + +done: + FUNC_LEAVE_NOAPI(ret_value); +} + + +/*------------------------------------------------------------------------- * Function: H5FD_fphdf5_setup * Purpose: Set the buffer type BTYPE, file type FTYPE for a data * transfer. Also request an MPI type transfer. @@ -677,13 +737,19 @@ H5FD_fphdf5_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxadd int mpi_size; int mrc; MPI_Offset size; + MPI_Offset mpi_off; H5FD_fphdf5_fapl_t _fa; const H5FD_fphdf5_fapl_t *fa = NULL; H5P_genplist_t *plist; - H5FD_t *ret_value = NULL; + unsigned long feature_flags; + hsize_t meta_block_size = 0; + hsize_t sdata_block_size = 0; + hsize_t threshold; + hsize_t alignment; unsigned file_id; unsigned req_id; MPI_Status status; + H5FD_t *ret_value = NULL; /* Flag to indicate that the file was successfully opened */ unsigned file_opened = FALSE; @@ -707,6 +773,11 @@ H5FD_fphdf5_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxadd assert(fa); } + /* Some numeric conversions */ + if (H5FD_fphdf5_haddr_to_MPIOff(maxaddr, &mpi_off) < 0) + HGOTO_ERROR(H5E_INTERNAL, H5E_BADRANGE, NULL, + "can't convert from haddr_t to MPI offset"); + /* * Convert HDF5 flags to MPI-IO flags. Some combinations are illegal; * let MPI-IO figure it out @@ -723,10 +794,30 @@ H5FD_fphdf5_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxadd file_opened = TRUE; - if (H5FP_request_open(H5FP_OBJ_FILE, (MPI_Offset)maxaddr, &file_id, &req_id) == FAIL) + if (H5P_get(plist, H5F_ACS_META_BLOCK_SIZE_NAME, &meta_block_size) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get meta data block size"); + + if (H5P_get(plist, H5F_ACS_SDATA_BLOCK_SIZE_NAME, &sdata_block_size) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get 'small data' block size"); + + if (H5P_get(plist, H5F_ACS_ALIGN_THRHD_NAME, &threshold) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get alignment threshold"); + + if (H5P_get(plist, H5F_ACS_ALIGN_NAME, &alignment) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get alignment"); + + /* Retrieve the VFL driver feature flags */ + if (H5FD_query((H5FD_t *)file, &feature_flags) < 0) + HGOTO_ERROR(H5E_VFL, H5E_CANTINIT, NULL, "unable to query file driver"); + + /* Inform the SAP that the file was opened */ + if (H5FP_request_open(H5FP_OBJ_FILE, mpi_off, feature_flags, + meta_block_size, sdata_block_size, threshold, + alignment, &file_id, &req_id) == FAIL) HGOTO_ERROR(H5E_FPHDF5, H5E_CANTOPENFILE, NULL, "can't inform SAP of file open"); + /* Grab the rank of this process */ if ((mrc = MPI_Comm_rank(H5FP_SAP_COMM, &mpi_rank)) != MPI_SUCCESS) HMPI_GOTO_ERROR(NULL, "MPI_Comm_rank failed", mrc); @@ -869,8 +960,19 @@ H5FD_fphdf5_query(const H5FD_t UNUSED *_file, unsigned long *flags /* out */) * the application would hang. */ +#if 0 + /* + * FIXME: For now, having metadata accumulate causes problems for + * the SAP when it goes to allocate data (oddly enough, an + * allocation can result in a call to H5FD_free...which can + * result in a call to H5FD_write...which needs a data xfer + * property list...but only when metadata accumulation is turned + * on...go figure). Turn it off for now. -- BW 02/19/2003 + */ + /* OK to accumulate metadata for faster writes */ *flags |= H5FD_FEAT_ACCUMULATE_METADATA_WRITE; +#endif /* 0 */ /* OK to aggregate "small" raw data allocations */ *flags |= H5FD_FEAT_AGGREGATE_SMALLDATA; @@ -1334,7 +1436,8 @@ H5FD_fphdf5_write(H5FD_t *_file, H5FD_mem_t mem_type, hid_t dxpl_id, mpi_off, size_i, buf, &req_id, &sap_status) != SUCCEED) { /* FIXME: Couldn't write metadata. This is bad... */ -HDfprintf(stderr, "%s:%d: Couldn't write metadata to SAP (%d)\n", FUNC, __LINE__, sap_status); +HDfprintf(stderr, "%s:%d: Couldn't write metadata to SAP (%d)\n", + FUNC, __LINE__, sap_status); } switch (sap_status) { @@ -1354,7 +1457,8 @@ HDfprintf(stderr, "%s:%d: Couldn't write metadata to SAP (%d)\n", FUNC, __LINE__ case H5FP_STATUS_BAD_FILE_ID: default: /* FIXME: Something bad happened */ -HDfprintf(stderr, "%s:%d: Couldn't write metadata to SAP (%d)\n", FUNC, __LINE__, sap_status); +HDfprintf(stderr, "%s:%d: Couldn't write metadata to SAP (%d)\n", + FUNC, __LINE__, sap_status); break; } } diff --git a/src/H5FDfphdf5.h b/src/H5FDfphdf5.h index 3f46158..a92dbb4 100644 --- a/src/H5FDfphdf5.h +++ b/src/H5FDfphdf5.h @@ -16,8 +16,7 @@ #define H5FDFPHDF5_H__ #include "H5FDmpio.h" -#include "H5FDpublic.h" -#include "H5Ipublic.h" +#include "H5FDprivate.h" #ifdef H5_HAVE_PARALLEL # define H5FD_FPHDF5 (H5FD_fphdf5_init()) @@ -27,20 +26,25 @@ /* Macros */ -#define IS_H5FD_FPHDF5(f) (H5F_get_driver_id(f) == H5FD_FPHDF5) +#ifndef H5_HAVE_FPHDF5 -#ifdef H5_HAVE_PARALLEL +/* If FPHDF5 isn't specified, make this a "FALSE" value */ +#define IS_H5FD_FPHDF5(f) (0) + +#else + +#define IS_H5FD_FPHDF5(f) (H5F_get_driver_id(f) == H5FD_FPHDF5) /* Turn on H5FDfphdf5_debug if H5F_DEBUG is on */ -#ifdef H5F_DEBUG -# ifndef H5FDfphdf5_DEBUG -# define H5FDfphdf5_DEBUG -# endif -#endif +#if defined(H5F_DEBUG) && !defined(H5FDfphdf5_DEBUG) +# define H5FDfphdf5_DEBUG +#endif /* H5F_DEBUG && ! H5FDfphdf5_DEBUG */ #define H5FD_FPHDF5_XFER_DUMPING_METADATA "H5FD_fphdf5_dumping_metadata" #define H5FD_FPHDF5_XFER_DUMPING_SIZE sizeof(unsigned) +extern const H5FD_class_t H5FD_fphdf5_g; + /* Function prototypes */ #ifdef __cplusplus extern "C" { @@ -73,6 +77,8 @@ H5_DLL herr_t H5FD_fphdf5_setup(hid_t dxpl_id, MPI_Datatype btype, H5_DLL herr_t H5FD_fphdf5_teardown(hid_t dxpl_id); H5_DLL int H5FD_fphdf5_mpi_rank(H5FD_t *_file); H5_DLL int H5FD_fphdf5_mpi_size(H5FD_t *_file); +H5_DLL unsigned H5FD_fphdf5_file_id(H5FD_t *_file); +H5_DLL hbool_t H5FD_fphdf5_is_sap(H5FD_t *_file); H5_DLL herr_t H5FD_fphdf5_write_real(H5FD_t *_file, hid_t dxpl_id, MPI_Offset mpi_off, int size, |