diff options
Diffstat (limited to 'src/H5Dpkg.h')
| -rw-r--r-- | src/H5Dpkg.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/H5Dpkg.h b/src/H5Dpkg.h index 8a4abae..b72a13d 100644 --- a/src/H5Dpkg.h +++ b/src/H5Dpkg.h @@ -50,6 +50,29 @@ /* Package Private Typedefs */ /****************************/ +/* The raw data chunk cache */ +typedef struct H5D_rdcc_t { + unsigned ninits; /* Number of chunk creations */ + unsigned nhits; /* Number of cache hits */ + unsigned nmisses;/* Number of cache misses */ + unsigned nflushes;/* Number of cache flushes */ + size_t nbytes; /* Current cached raw data in bytes */ + size_t nslots; /* Number of chunk slots allocated */ + struct H5D_rdcc_ent_t *head; /* Head of doubly linked list */ + struct H5D_rdcc_ent_t *tail; /* Tail of doubly linked list */ + int nused; /* Number of chunk slots in use */ + struct H5D_rdcc_ent_t **slot; /* Chunk slots, each points to a chunk*/ +} H5D_rdcc_t; + +/* The raw data contiguous data cache */ +typedef struct H5D_rdcdc_t { + unsigned char *sieve_buf; /* Buffer to hold data sieve buffer */ + haddr_t sieve_loc; /* File location (offset) of the data sieve buffer */ + size_t sieve_size; /* Size of the data sieve buffer used (in bytes) */ + size_t sieve_buf_size; /* Size of the data sieve buffer allocated (in bytes) */ + unsigned sieve_dirty; /* Flag to indicate that the data sieve buffer is dirty */ +} H5D_rdcdc_t; + /* * A dataset is the following struct. */ @@ -60,11 +83,18 @@ struct H5D_t { hid_t dcpl_id; /* dataset creation property id */ H5D_dcpl_cache_t dcpl_cache; /* Cached DCPL values */ H5O_layout_t layout; /* data layout */ + /* Cache some frequently accessed values from the DCPL */ H5O_efl_t efl; /* External file list information */ H5D_alloc_time_t alloc_time; /* Dataset allocation time */ H5D_fill_time_t fill_time; /* Dataset fill value writing time */ H5O_fill_t fill; /* Dataset fill value information */ + + /* Buffered/cached information for types of raw data storage*/ + union { + H5D_rdcdc_t contig; /* Information about contiguous data */ + H5D_rdcc_t chunk; /* Information about chunked data */ + }cache; }; /* Enumerated type for allocating dataset's storage */ @@ -87,6 +117,30 @@ extern H5D_dxpl_cache_t H5D_def_dxpl_cache; H5_DLL herr_t H5D_alloc_storage (H5F_t *f, hid_t dxpl_id, H5D_t *dset, H5D_time_alloc_t time_alloc, hbool_t update_time, hbool_t full_overwrite); +/* Functions that operate on contiguous storage */ +H5_DLL herr_t H5D_contig_create(H5F_t *f, hid_t dxpl_id, H5D_t *dset); +H5_DLL herr_t H5D_contig_fill(H5F_t *f, hid_t dxpl_id, H5D_t *dset); + +/* Functions that operate on indexed storage */ +H5_DLL herr_t H5D_istore_init (H5F_t *f, H5D_t *dset); +H5_DLL herr_t H5D_istore_flush (H5F_t *f, hid_t dxpl_id, H5D_t *dset, unsigned flags); +H5_DLL herr_t H5D_istore_create(H5F_t *f, hid_t dxpl_id, + H5O_layout_t *layout/*in,out*/); +H5_DLL herr_t H5D_istore_dest (H5F_t *f, hid_t dxpl_id, H5D_t *dset); +H5_DLL herr_t H5D_istore_allocate (H5F_t *f, hid_t dxpl_id, + const H5D_t *dset, hbool_t full_overwrite); +H5_DLL hsize_t H5D_istore_allocated(H5F_t *f, hid_t dxpl_id, H5D_t *dset); +H5_DLL herr_t H5D_istore_prune_by_extent( H5F_t *f, + const H5D_dxpl_cache_t *dxpl_cache, hid_t dxpl_id, H5D_t *dset); +H5_DLL herr_t H5D_istore_initialize_by_extent( H5F_t *f, + const H5D_dxpl_cache_t *dxpl_cache, hid_t dxpl_id, H5D_t *dset); +H5_DLL herr_t H5D_istore_update_cache(H5F_t *f, hid_t dxpl_id, H5D_t *dset); +H5_DLL herr_t H5D_istore_dump_btree(H5F_t *f, hid_t dxpl_id, FILE *stream, unsigned ndims, + haddr_t addr); +#ifdef H5D_ISTORE_DEBUG +H5_DLL herr_t H5D_istore_stats (H5D_t *dset, hbool_t headers); +#endif /* H5D_ISTORE_DEBUG */ + /* Testing functions */ #ifdef H5D_TESTING H5_DLL herr_t H5D_layout_version_test(hid_t did, unsigned *version); |