diff options
Diffstat (limited to 'src/H5AC.c')
| -rw-r--r-- | src/H5AC.c | 414 |
1 files changed, 20 insertions, 394 deletions
@@ -24,22 +24,6 @@ * with a particular HDF file share the same cache; each * HDF file has it's own cache. * - * Modifications: - * - * Robb Matzke, 4 Aug 1997 - * Added calls to H5E. - * - * Quincey Koziol, 22 Apr 2000 - * Turned on "H5AC_SORT_BY_ADDR" - * - * John Mainzer, 5/19/04 - * Complete redesign and rewrite. See the header comments for - * H5AC_t for an overview of what is going on. - * - * John Mainzer, 6/4/04 - * Factored the new cache code into a separate file (H5C.c) to - * facilitate re-use. Re-worked this file again to use H5C. - * *------------------------------------------------------------------------- */ @@ -207,8 +191,6 @@ static herr_t H5AC_flush_entries(H5F_t *f); * Programmer: Quincey Koziol * Saturday, January 18, 2003 * - * Modifications: - * *------------------------------------------------------------------------- */ herr_t @@ -234,8 +216,6 @@ done: * Programmer: Quincey Koziol * Thursday, July 18, 2002 * - * Modifications: - * *------------------------------------------------------------------------- */ static herr_t @@ -355,8 +335,6 @@ done: * Programmer: Quincey Koziol * Thursday, July 18, 2002 * - * Modifications: - * *------------------------------------------------------------------------- */ int @@ -418,57 +396,6 @@ H5AC_term_interface(void) * matzke@llnl.gov * Jul 9 1997 * - * Modifications: - * - * Complete re-design and re-write to support the re-designed - * metadata cache. - * - * At present, the size_hint is ignored, and the - * max_cache_size and min_clean_size fields are hard - * coded. This should be fixed, but a parameter - * list change will be required, so I will leave it - * for now. - * - * Since no-one seems to care, the function now returns - * one on success. - * JRM - 4/28/04 - * - * Reworked the function again after abstracting its guts to - * the similar function in H5C.c. The function is now a - * wrapper for H5C_create(). - * JRM - 6/4/04 - * - * Deleted the old size_hint parameter and added the - * max_cache_size, and min_clean_size parameters. - * - * JRM - 3/10/05 - * - * Deleted the max_cache_size, and min_clean_size parameters, - * and added the config_ptr parameter. Added code to - * validate the resize configuration before we do anything. - * - * JRM - 3/24/05 - * - * Changed the type of config_ptr from H5AC_auto_size_ctl_t * - * to H5AC_cache_config_t *. Propagated associated changes - * through the function. - * JRM - 4/7/05 - * - * Added code allocating and initializing the auxilary - * structure (an instance of H5AC_aux_t), and linking it - * to the instance of H5C_t created by H5C_create(). At - * present, the auxilary structure is only used in PHDF5. - * - * JRM - 6/28/05 - * - * Added code to set the prefix if required. - * - * JRM - 1/20/06 - * - * Added code to initialize the new write_done field. - * - * JRM - 5/11/06 - * *------------------------------------------------------------------------- */ @@ -812,12 +739,6 @@ done: * Programmer: John Mainzer * 6/30/06 * - * Modifications: - * - * Added 'flags' paramater, to allow freeing file space - * - * QAK - 2/5/08 - * *------------------------------------------------------------------------- */ herr_t @@ -864,7 +785,7 @@ H5AC_expunge_entry(H5F_t *f, #endif /* H5AC__TRACE_FILE_ENABLED */ result = H5C_expunge_entry(f, - dxpl_id, + dxpl_id, H5AC_noblock_dxpl_id, type, addr, @@ -976,10 +897,6 @@ done: * Programmer: John Mainzer * 4/27/06 * - * Modifications: - * - * None. - * *------------------------------------------------------------------------- */ herr_t @@ -1061,54 +978,8 @@ done: * matzke@llnl.gov * Jul 9 1997 * - * Modifications: - * Robb Matzke, 1999-07-27 - * The ADDR argument is passed by value. - * - * Bill Wendling, 2003-09-16 - * Added automatic "flush" if the FPHDF5 driver is being - * used. This'll write the metadata to the SAP where other, - * lesser processes can grab it. - * - * JRM - 5/13/04 - * Complete re-write for the new metadata cache. The new - * code is functionally almost identical to the old, although - * the sanity check for a protected entry is now an assert - * at the beginning of the function. - * - * JRM - 6/7/04 - * Abstracted the guts of the function to H5C_insert_entry() - * in H5C.c, and then re-wrote the function as a wrapper for - * H5C_insert_entry(). - * - * JRM - 1/6/05 - * Added the flags parameter. At present, this parameter is - * only used to set the new flush_marker field on the new - * entry. Since this doesn't apply to the SAP code, no change - * is needed there. Thus the only change to the body of the - * code is to pass the flags parameter through to - * H5C_insert_entry(). - * - * JRM - 6/6/05 - * Added code to force newly inserted entries to be dirty - * in the flexible parallel case. The normal case is handled - * in H5C.c. This is part of a series of changes directed at - * moving management of the dirty flag on cache entries into - * the cache code. - * - * JRM - 7/5/05 - * Added code to track dirty byte generation, and to trigger - * clean entry list propagation when it exceeds a user - * specified threshold. Note that this code only applies in - * the PHDF5 case. It should have no effect on either the - * serial or FPHSD5 cases. - * - * JRM - 6/6/06 - * Added trace file support. - * *------------------------------------------------------------------------- */ - herr_t H5AC_set(H5F_t *f, hid_t dxpl_id, const H5AC_class_t *type, haddr_t addr, void *thing, unsigned int flags) @@ -1186,12 +1057,12 @@ H5AC_set(H5F_t *f, hid_t dxpl_id, const H5AC_class_t *type, haddr_t addr, #endif /* H5_HAVE_PARALLEL */ result = H5C_insert_entry(f, - dxpl_id, + dxpl_id, H5AC_noblock_dxpl_id, - type, - addr, - thing, - flags); + type, + addr, + thing, + flags); if ( result < 0 ) { @@ -1527,56 +1398,13 @@ done: * or flushed -- nor may it be accessed by another call to * H5AC_protect. Any attempt to do so will result in a failure. * - * This comment is a re-write of the original Purpose: section. - * For historical interest, the original version is reproduced - * below: - * - * Original Purpose section: - * - * Similar to H5AC_find() except the object is removed from - * the cache and given to the caller, preventing other parts - * of the program from modifying the protected object or - * preempting it from the cache. - * - * The caller must call H5AC_unprotect() when finished with - * the pointer. - * * Return: Success: Ptr to the object. - * * Failure: NULL * * Programmer: Robb Matzke * matzke@llnl.gov * Sep 2 1997 * - * Modifications: - * Robb Matzke, 1999-07-27 - * The ADDR argument is passed by value. - * - * Bill Wendling, 2003-09-10 - * Added parameter to indicate whether this is a READ or - * WRITE type of protect. - * - * JRM -- 5/17/04 - * Complete re-write for the new client cache. See revised - * Purpose section above. - * - * JRM - 6/7/04 - * Abstracted the guts of the function to H5C_protect() - * in H5C.c, and then re-wrote the function as a wrapper for - * H5C_protect(). - * - * JRM - 6/6/06 - * Added trace file support. - * - * JRM - 3/18/07 - * Modified code to support the new flags parameter for - * H5C_protect(). For now, that means passing in the - * H5C_READ_ONLY_FLAG if rw == H5AC_READ. - * - * Also updated the trace file output to save the - * rw parameter, since we are now doing something with it. - * *------------------------------------------------------------------------- */ void * @@ -1587,7 +1415,6 @@ H5AC_protect(H5F_t *f, void *udata, H5AC_protect_t rw) { - /* char * fcn_name = "H5AC_protect"; */ unsigned protect_flags = H5C__NO_FLAGS_SET; void * thing = (void *)NULL; void * ret_value; /* Return value */ @@ -1652,11 +1479,11 @@ H5AC_protect(H5F_t *f, } thing = H5C_protect(f, - dxpl_id, + dxpl_id, H5AC_noblock_dxpl_id, - type, - addr, - udata, + type, + addr, + udata, protect_flags); if ( thing == NULL ) { @@ -1893,57 +1720,6 @@ done: * matzke@llnl.gov * Sep 2 1997 * - * Modifications: - * Robb Matzke, 1999-07-27 - * The ADDR argument is passed by value. - * - * Quincey Koziol, 2003-03-19 - * Added "deleted" argument - * - * Bill Wendling, 2003-09-18 - * If this is an FPHDF5 driver and the data is dirty, - * perform a "flush" that writes the data to the SAP. - * - * John Mainzer 5/19/04 - * Complete re-write for the new metadata cache. - * - * JRM - 6/7/04 - * Abstracted the guts of the function to H5C_unprotect() - * in H5C.c, and then re-wrote the function as a wrapper for - * H5C_unprotect(). - * - * JRM - 1/6/05 - * Replaced the deleted parameter with the new flags parameter. - * Since the deleted parameter is not used by the FPHDF5 code, - * the only change in the body is to replace the deleted - * parameter with the flags parameter in the call to - * H5C_unprotect(). - * - * JRM - 6/6/05 - * Added the dirtied flag and supporting code. This is - * part of a collection of changes directed at moving - * management of cache entry dirty flags into the H5C code. - * - * JRM - 7/5/05 - * Added code to track dirty byte generation, and to trigger - * clean entry list propagation when it exceeds a user - * specified threshold. Note that this code only applies in - * the PHDF5 case. It should have no effect on either the - * serial or FPHSD5 cases. - * - * JRM - 9/8/05 - * Added code to track entry size changes. This is necessary - * as it can effect dirty byte creation counts, thereby - * throwing the caches out of sync in the PHDF5 case. - * - * JRM - 5/16/06 - * Added code to use the new dirtied field in - * H5C_cache_entry_t in the test to see if the entry has - * been dirtied. - * - * JRM - 6/7/06 - * Added support for the trace file. - * *------------------------------------------------------------------------- */ herr_t @@ -1959,8 +1735,6 @@ H5AC_unprotect(H5F_t *f, hid_t dxpl_id, const H5AC_class_t *type, haddr_t addr, #endif /* H5_HAVE_PARALLEL */ #if H5AC__TRACE_FILE_ENABLED char trace[128] = ""; - size_t trace_new_size = 0; - unsigned trace_flags = 0; FILE * trace_file_ptr = NULL; #endif /* H5AC__TRACE_FILE_ENABLED */ herr_t ret_value=SUCCEED; /* Return value */ @@ -1992,8 +1766,6 @@ H5AC_unprotect(H5F_t *f, hid_t dxpl_id, const H5AC_class_t *type, haddr_t addr, sprintf(trace, "H5AC_unprotect 0x%lx %d", (unsigned long)addr, (int)(type->id)); - - trace_flags = flags; } #endif /* H5AC__TRACE_FILE_ENABLED */ @@ -2042,12 +1814,12 @@ H5AC_unprotect(H5F_t *f, hid_t dxpl_id, const H5AC_class_t *type, haddr_t addr, #endif /* H5_HAVE_PARALLEL */ result = H5C_unprotect(f, - dxpl_id, + dxpl_id, H5AC_noblock_dxpl_id, - type, - addr, - thing, - flags); + type, + addr, + thing, + flags); if ( result < 0 ) { @@ -2078,10 +1850,9 @@ done: #if H5AC__TRACE_FILE_ENABLED if ( trace_file_ptr != NULL ) { - HDfprintf(trace_file_ptr, "%s %d %x %d\n", + HDfprintf(trace_file_ptr, "%s %x %d\n", trace, - (int)trace_new_size, - (unsigned)trace_flags, + (unsigned)flags, (int)ret_value); } #endif /* H5AC__TRACE_FILE_ENABLED */ @@ -2103,11 +1874,8 @@ done: * Programmer: John Mainzer * 5/11/06 * - * Modifications: - * *------------------------------------------------------------------------- */ - #ifdef H5_HAVE_PARALLEL herr_t H5AC_set_write_done_callback(H5C_t * cache_ptr, @@ -2150,15 +1918,6 @@ done: * Programmer: Robb Matzke * Thursday, October 30, 1997 * - * Modifications: - * John Mainzer 5/19/04 - * Re-write to support the new metadata cache. - * - * JRM - 6/7/04 - * Abstracted the guts of the function to H5C_stats() - * in H5C.c, and then re-wrote the function as a wrapper for - * H5C_stats(). - * *------------------------------------------------------------------------- */ herr_t @@ -2191,34 +1950,8 @@ done: * Programmer: John Mainzer * 3/10/05 * - * Modifications: - * - * JRM - 4/6/05 - * Reworked for the addition of struct H5AC_cache_config_t. - * - * JRM - 10/25/05 - * Added support for the new dirty_bytes_threshold field of - * both H5AC_cache_config_t and H5AC_aux_t. - * - * JRM - 6/8/06 - * Added support for the new trace file related fields. - * - * JRM - 7/28/07 - * Added support for the new evictions enabled related fields. - * - * Observe that H5AC_get_cache_auto_resize_config() and - * H5AC_set_cache_auto_resize_config() are becoming generic - * metadata cache configuration routines as they gain - * switches for functions that are only tenuously related - * to auto resize configuration. - * - * JRM - 1/2/08 - * Added support for the new flash cache increment related - * fields. - * *------------------------------------------------------------------------- */ - herr_t H5AC_get_cache_auto_resize_config(const H5AC_t * cache_ptr, H5AC_cache_config_t *config_ptr) @@ -2338,10 +2071,6 @@ done: * Programmer: John Mainzer * 3/11/05 * - * Modifications: - * - * None. - * *------------------------------------------------------------------------- */ herr_t @@ -2385,10 +2114,6 @@ done: * Programmer: John Mainzer * 3/10/05 * - * Modifications: - * - * None. - * *------------------------------------------------------------------------- */ herr_t @@ -2416,13 +2141,8 @@ done: * * Programmer: John Mainzer, 3/10/05 * - * Modifications: - * - * None. - * *------------------------------------------------------------------------- */ - herr_t H5AC_reset_cache_hit_rate_stats(H5AC_t * cache_ptr) { @@ -2456,31 +2176,6 @@ done: * Programmer: John Mainzer * 3/10/05 * - * Modifications: - * - * John Mainzer -- 4/6/05 - * Updated for the addition of H5AC_cache_config_t. - * - * John Mainzer -- 10/25/05 - * Added support for the new dirty_bytes_threshold field of - * both H5AC_cache_config_t and H5AC_aux_t. - * - * John Mainzer -- 6/7/06 - * Added trace file support. - * - * John Mainzer -- 7/28/07 - * Added support for the new evictions enabled related fields. - * - * Observe that H5AC_get_cache_auto_resize_config() and - * H5AC_set_cache_auto_resize_config() are becoming generic - * metadata cache configuration routines as they gain - * switches for functions that are only tenuously related - * to auto resize configuration. - * - * John Mainzer -- 1/3/07 - * Updated trace file code to record the new flash cache - * size increase related fields. - * *------------------------------------------------------------------------- */ herr_t @@ -2678,21 +2373,6 @@ done: * Programmer: John Mainzer * 4/6/05 * - * Modifications: - * - * - Added code testing the trace file configuration fields. - * These tests are not comprehensive, as many errors cannot - * be caught until the directives contained in these fields - * are applied. - * JRM - 5/15/06 - * - * - Added code testing the evictions enabled field. At - * present this consists of verifying that if - * evictions_enabled is FALSE, then automatic cache - * resizing in disabled. - * - * JRM - 7/28/07 - * *------------------------------------------------------------------------- */ herr_t @@ -2820,13 +2500,8 @@ done: * Programmer: John Mainzer * 6/2/06 * - * Modifications: - * - * None. - * *------------------------------------------------------------------------- */ - herr_t H5AC_close_trace_file(H5AC_t * cache_ptr) @@ -2883,10 +2558,6 @@ done: * Programmer: John Mainzer * 6/1/06 * - * Modifications: - * - * None. - * *------------------------------------------------------------------------- */ herr_t @@ -3006,11 +2677,8 @@ done: * * Programmer: John Mainzer, 7/1/05 * - * Modifications: - * *------------------------------------------------------------------------- */ - #ifdef H5_HAVE_PARALLEL static herr_t H5AC_broadcast_clean_list(H5AC_t * cache_ptr) @@ -3183,21 +2851,8 @@ done: * * Programmer: John Mainzer, 5/15/04 * - * Modifications: - * - * John Mainzer, 9/23/05 - * Rewrote function to return the value of the - * write_permitted field in aux structure if the structure - * exists and mpi_rank is 0. - * - * If the aux structure exists, but mpi_rank isn't 0, the - * function now returns FALSE. - * - * In all other cases, the function returns TRUE. - * *------------------------------------------------------------------------- */ - #ifdef H5_HAVE_PARALLEL static herr_t H5AC_check_if_write_permitted(const H5F_t *f, @@ -3266,12 +2921,6 @@ done: * Programmer: John Mainzer * 1/26/06 * - * Modifications: - * - * Updated function for flash cache increment fields. - * - * JRM -- 1/2/08 - * *------------------------------------------------------------------------- */ herr_t @@ -3346,11 +2995,8 @@ done: * * Programmer: John Mainzer, 6/29/05 * - * Modifications: - * *------------------------------------------------------------------------- */ - #ifdef H5_HAVE_PARALLEL static herr_t H5AC_log_deleted_entry(H5AC_t * cache_ptr, @@ -3467,7 +3113,6 @@ static herr_t H5AC_log_dirtied_entry(const H5AC_info_t * entry_ptr, haddr_t addr) { - size_t entry_size; H5AC_t * cache_ptr; H5AC_aux_t * aux_ptr; herr_t ret_value = SUCCEED; /* Return value */ @@ -3488,8 +3133,6 @@ H5AC_log_dirtied_entry(const H5AC_info_t * entry_ptr, HDassert( aux_ptr != NULL ); HDassert( aux_ptr->magic == H5AC__H5AC_AUX_T_MAGIC ); - entry_size = entry_ptr->size; - if ( aux_ptr->mpi_rank == 0 ) { H5AC_slist_entry_t * slist_entry_ptr; @@ -3518,9 +3161,9 @@ H5AC_log_dirtied_entry(const H5AC_info_t * entry_ptr, } aux_ptr->d_slist_len += 1; - aux_ptr->dirty_bytes += entry_size; + aux_ptr->dirty_bytes += entry_ptr->size; #if H5AC_DEBUG_DIRTY_BYTES_CREATION - aux_ptr->unprotect_dirty_bytes += entry_size; + aux_ptr->unprotect_dirty_bytes += entry_ptr->size; aux_ptr->unprotect_dirty_bytes_updates += 1; #endif /* H5AC_DEBUG_DIRTY_BYTES_CREATION */ } @@ -3555,7 +3198,7 @@ H5AC_log_dirtied_entry(const H5AC_info_t * entry_ptr, } } else { - aux_ptr->dirty_bytes += entry_size; + aux_ptr->dirty_bytes += entry_ptr->size; #if H5AC_DEBUG_DIRTY_BYTES_CREATION aux_ptr->unprotect_dirty_bytes += entry_size; aux_ptr->unprotect_dirty_bytes_updates += 1; @@ -3589,11 +3232,8 @@ done: * * Programmer: John Mainzer, 6/29/05 * - * Modifications: - * *------------------------------------------------------------------------- */ - #ifdef H5_HAVE_PARALLEL #if 0 /* This is useful debugging code. -- JRM */ static herr_t @@ -3751,11 +3391,8 @@ done: * * Programmer: John Mainzer, 6/30/05 * - * Modifications: - * *------------------------------------------------------------------------- */ - #ifdef H5_HAVE_PARALLEL static herr_t H5AC_log_inserted_entry(H5F_t * f, @@ -3892,8 +3529,6 @@ done: * * Programmer: John Mainzer, 6/30/05 * - * Modifications: - * *------------------------------------------------------------------------- */ #ifdef H5_HAVE_PARALLEL @@ -4120,14 +3755,8 @@ done: * Programmer: John Mainzer * July 5, 2005 * - * Modifications: - * - * JRM -- 5/11/06 - * Added code to call the write_done callback. - * *------------------------------------------------------------------------- */ - #ifdef H5_HAVE_PARALLEL herr_t H5AC_propagate_flushed_and_still_clean_entries_list(H5F_t * f, @@ -4249,11 +3878,8 @@ done: * * Programmer: John Mainzer, 7/4/05 * - * Modifications: - * *------------------------------------------------------------------------- */ - #ifdef H5_HAVE_PARALLEL static herr_t H5AC_receive_and_apply_clean_list(H5F_t * f, |