diff options
Diffstat (limited to 'src/H5Cmpio.c')
| -rw-r--r-- | src/H5Cmpio.c | 256 |
1 files changed, 128 insertions, 128 deletions
diff --git a/src/H5Cmpio.c b/src/H5Cmpio.c index 0ac4c4f..199c494 100644 --- a/src/H5Cmpio.c +++ b/src/H5Cmpio.c @@ -18,7 +18,7 @@ * Quincey Koziol * * Purpose: Functions in this file implement support for parallel I/O for - * generic cache code. + * generic cache code. * *------------------------------------------------------------------------- */ @@ -28,20 +28,20 @@ /****************/ #include "H5Cmodule.h" /* This source code file is part of the H5C module */ -#define H5F_FRIEND /*suppress error about including H5Fpkg */ +#define H5F_FRIEND /*suppress error about including H5Fpkg */ /***********/ /* Headers */ /***********/ -#include "H5private.h" /* Generic Functions */ +#include "H5private.h" /* Generic Functions */ #include "H5ACprivate.h" /* Metadata cache */ -#include "H5Cpkg.h" /* Cache */ +#include "H5Cpkg.h" /* Cache */ #include "H5CXprivate.h" /* API Contexts */ -#include "H5Eprivate.h" /* Error handling */ -#include "H5Fpkg.h" /* Files */ -#include "H5FDprivate.h" /* File drivers */ -#include "H5MMprivate.h" /* Memory management */ +#include "H5Eprivate.h" /* Error handling */ +#include "H5Fpkg.h" /* Files */ +#include "H5FDprivate.h" /* File drivers */ +#include "H5MMprivate.h" /* Memory management */ #ifdef H5_HAVE_PARALLEL @@ -87,74 +87,74 @@ static herr_t H5C__flush_candidates_in_ring(H5F_t *f, H5C_ring_t ring, * * Purpose: Apply the supplied candidate list. * - * We used to do this by simply having each process write - * every mpi_size-th entry in the candidate list, starting - * at index mpi_rank, and mark all the others clean. + * We used to do this by simply having each process write + * every mpi_size-th entry in the candidate list, starting + * at index mpi_rank, and mark all the others clean. * - * However, this can cause unnecessary contention in a file - * system by increasing the number of processes writing to - * adjacent locations in the HDF5 file. + * However, this can cause unnecessary contention in a file + * system by increasing the number of processes writing to + * adjacent locations in the HDF5 file. * - * To attempt to minimize this, we now arange matters such - * that each process writes n adjacent entries in the - * candidate list, and marks all others clean. We must do - * this in such a fashion as to guarantee that each entry - * on the candidate list is written by exactly one process, - * and marked clean by all others. + * To attempt to minimize this, we now arange matters such + * that each process writes n adjacent entries in the + * candidate list, and marks all others clean. We must do + * this in such a fashion as to guarantee that each entry + * on the candidate list is written by exactly one process, + * and marked clean by all others. * - * To do this, first construct a table mapping mpi_rank - * to the index of the first entry in the candidate list to - * be written by the process of that mpi_rank, and then use - * the table to control which entries are written and which - * are marked as clean as a function of the mpi_rank. + * To do this, first construct a table mapping mpi_rank + * to the index of the first entry in the candidate list to + * be written by the process of that mpi_rank, and then use + * the table to control which entries are written and which + * are marked as clean as a function of the mpi_rank. * - * Note that the table must be identical on all processes, as - * all see the same candidate list, mpi_size, and mpi_rank -- - * the inputs used to construct the table. + * Note that the table must be identical on all processes, as + * all see the same candidate list, mpi_size, and mpi_rank -- + * the inputs used to construct the table. * - * We construct the table as follows. Let: + * We construct the table as follows. Let: * - * n = num_candidates / mpi_size; + * n = num_candidates / mpi_size; * - * m = num_candidates % mpi_size; + * m = num_candidates % mpi_size; * - * Now allocate an array of integers of length mpi_size + 1, - * and call this array candidate_assignment_table. + * Now allocate an array of integers of length mpi_size + 1, + * and call this array candidate_assignment_table. * - * Conceptually, if the number of candidates is a multiple - * of the mpi_size, we simply pass through the candidate list - * and assign n entries to each process to flush, with the - * index of the first entry to flush in the location in - * the candidate_assignment_table indicated by the mpi_rank - * of the process. + * Conceptually, if the number of candidates is a multiple + * of the mpi_size, we simply pass through the candidate list + * and assign n entries to each process to flush, with the + * index of the first entry to flush in the location in + * the candidate_assignment_table indicated by the mpi_rank + * of the process. * - * In the more common case in which the candidate list isn't - * isn't a multiple of the mpi_size, we pretend it is, and - * give num_candidates % mpi_size processes one extra entry - * each to make things work out. + * In the more common case in which the candidate list isn't + * isn't a multiple of the mpi_size, we pretend it is, and + * give num_candidates % mpi_size processes one extra entry + * each to make things work out. * - * Once the table is constructed, we determine the first and - * last entry this process is to flush as follows: + * Once the table is constructed, we determine the first and + * last entry this process is to flush as follows: * - * first_entry_to_flush = candidate_assignment_table[mpi_rank] + * first_entry_to_flush = candidate_assignment_table[mpi_rank] * - * last_entry_to_flush = - * candidate_assignment_table[mpi_rank + 1] - 1; + * last_entry_to_flush = + * candidate_assignment_table[mpi_rank + 1] - 1; * - * With these values determined, we simply scan through the - * candidate list, marking all entries in the range - * [first_entry_to_flush, last_entry_to_flush] for flush, - * and all others to be cleaned. + * With these values determined, we simply scan through the + * candidate list, marking all entries in the range + * [first_entry_to_flush, last_entry_to_flush] for flush, + * and all others to be cleaned. * - * Finally, we scan the LRU from tail to head, flushing - * or marking clean the candidate entries as indicated. - * If necessary, we scan the pinned list as well. + * Finally, we scan the LRU from tail to head, flushing + * or marking clean the candidate entries as indicated. + * If necessary, we scan the pinned list as well. * - * Note that this function will fail if any protected or - * clean entries appear on the candidate list. + * Note that this function will fail if any protected or + * clean entries appear on the candidate list. * - * This function is used in managing sync points, and - * shouldn't be used elsewhere. + * This function is used in managing sync points, and + * shouldn't be used elsewhere. * * Return: Success: SUCCEED * @@ -176,20 +176,20 @@ H5C_apply_candidate_list(H5F_t * f, int i; int m; unsigned n; - unsigned first_entry_to_flush; - unsigned last_entry_to_flush; - unsigned total_entries_to_clear = 0; - unsigned total_entries_to_flush = 0; + unsigned first_entry_to_flush; + unsigned last_entry_to_flush; + unsigned total_entries_to_clear = 0; + unsigned total_entries_to_flush = 0; unsigned * candidate_assignment_table = NULL; unsigned entries_to_flush[H5C_RING_NTYPES]; unsigned entries_to_clear[H5C_RING_NTYPES]; - haddr_t addr; - H5C_cache_entry_t * entry_ptr = NULL; + haddr_t addr; + H5C_cache_entry_t * entry_ptr = NULL; #if H5C_DO_SANITY_CHECKS - haddr_t last_addr; + haddr_t last_addr; #endif /* H5C_DO_SANITY_CHECKS */ #if H5C_APPLY_CANDIDATE_LIST__DEBUG - char tbl_buf[1024]; + char tbl_buf[1024]; #endif /* H5C_APPLY_CANDIDATE_LIST__DEBUG */ unsigned u; /* Local index variable */ herr_t ret_value = SUCCEED; /* Return value */ @@ -413,10 +413,10 @@ done: * Function: H5C_construct_candidate_list__clean_cache * * Purpose: Construct the list of entries that should be flushed to - * clean all entries in the cache. + * clean all entries in the cache. * - * This function is used in managing sync points, and - * shouldn't be used elsewhere. + * This function is used in managing sync points, and + * shouldn't be used elsewhere. * * Return: Success: SUCCEED * @@ -457,7 +457,7 @@ H5C_construct_candidate_list__clean_cache(H5C_t * cache_ptr) H5C_cache_entry_t *entry_ptr; unsigned nominated_entries_count = 0; size_t nominated_entries_size = 0; - haddr_t nominated_addr; + haddr_t nominated_addr; HDassert( cache_ptr->slist_len > 0 ); @@ -522,10 +522,10 @@ done: * Function: H5C_construct_candidate_list__min_clean * * Purpose: Construct the list of entries that should be flushed to - * get the cache back within its min clean constraints. + * get the cache back within its min clean constraints. * - * This function is used in managing sync points, and - * shouldn't be used elsewhere. + * This function is used in managing sync points, and + * shouldn't be used elsewhere. * * Return: Success: SUCCEED * @@ -582,7 +582,7 @@ H5C_construct_candidate_list__min_clean(H5C_t * cache_ptr) (nominated_entries_count < cache_ptr->slist_len) && (entry_ptr != NULL) && (!entry_ptr->flush_me_last)) { - haddr_t nominated_addr; + haddr_t nominated_addr; HDassert( ! (entry_ptr->is_protected) ); HDassert( ! (entry_ptr->is_read_only) ); @@ -612,24 +612,24 @@ done: * Function: H5C_mark_entries_as_clean * * Purpose: When the H5C code is used to implement the metadata caches - * in PHDF5, only the cache with MPI_rank 0 is allowed to - * actually write entries to disk -- all other caches must - * retain dirty entries until they are advised that the - * entries are clean. + * in PHDF5, only the cache with MPI_rank 0 is allowed to + * actually write entries to disk -- all other caches must + * retain dirty entries until they are advised that the + * entries are clean. * - * This function exists to allow the H5C code to receive these - * notifications. + * This function exists to allow the H5C code to receive these + * notifications. * - * The function receives a list of entry base addresses - * which must refer to dirty entries in the cache. If any - * of the entries are either clean or don't exist, the - * function flags an error. + * The function receives a list of entry base addresses + * which must refer to dirty entries in the cache. If any + * of the entries are either clean or don't exist, the + * function flags an error. * - * The function scans the list of entries and flushes all - * those that are currently unprotected with the - * H5C__FLUSH_CLEAR_ONLY_FLAG. Those that are currently - * protected are flagged for clearing when they are - * unprotected. + * The function scans the list of entries and flushes all + * those that are currently unprotected with the + * H5C__FLUSH_CLEAR_ONLY_FLAG. Those that are currently + * protected are flagged for clearing when they are + * unprotected. * * Return: Non-negative on success/Negative on failure * @@ -644,22 +644,22 @@ H5C_mark_entries_as_clean(H5F_t * f, haddr_t * ce_array_ptr) { H5C_t * cache_ptr; - unsigned entries_cleared; + unsigned entries_cleared; unsigned pinned_entries_cleared; hbool_t progress; - unsigned entries_examined; - unsigned initial_list_len; - haddr_t addr; - unsigned pinned_entries_marked = 0; + unsigned entries_examined; + unsigned initial_list_len; + haddr_t addr; + unsigned pinned_entries_marked = 0; #if H5C_DO_SANITY_CHECKS - unsigned protected_entries_marked = 0; - unsigned other_entries_marked = 0; - haddr_t last_addr; + unsigned protected_entries_marked = 0; + unsigned other_entries_marked = 0; + haddr_t last_addr; #endif /* H5C_DO_SANITY_CHECKS */ - H5C_cache_entry_t * clear_ptr = NULL; - H5C_cache_entry_t * entry_ptr = NULL; + H5C_cache_entry_t * clear_ptr = NULL; + H5C_cache_entry_t * entry_ptr = NULL; unsigned u; - herr_t ret_value = SUCCEED; /* Return value */ + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) @@ -706,7 +706,7 @@ H5C_mark_entries_as_clean(H5F_t * f, if(entry_ptr == NULL) { #if H5C_DO_SANITY_CHECKS - HDfprintf(stdout, + HDfprintf(stdout, "H5C_mark_entries_as_clean: entry[%u] = %a not in cache.\n", u, addr); @@ -715,7 +715,7 @@ H5C_mark_entries_as_clean(H5F_t * f, } /* end if */ else if(!entry_ptr->is_dirty) { #if H5C_DO_SANITY_CHECKS - HDfprintf(stdout, + HDfprintf(stdout, "H5C_mark_entries_as_clean: entry %a is not dirty!?!\n", addr); #endif /* H5C_DO_SANITY_CHECKS */ @@ -735,13 +735,13 @@ H5C_mark_entries_as_clean(H5F_t * f, } /* end if */ entry_ptr->clear_on_unprotect = TRUE; - if(entry_ptr->is_pinned) - pinned_entries_marked++; + if(entry_ptr->is_pinned) + pinned_entries_marked++; #if H5C_DO_SANITY_CHECKS - else if(entry_ptr->is_protected) - protected_entries_marked++; - else - other_entries_marked++; + else if(entry_ptr->is_protected) + protected_entries_marked++; + else + other_entries_marked++; #endif /* H5C_DO_SANITY_CHECKS */ } } @@ -769,7 +769,7 @@ H5C_mark_entries_as_clean(H5F_t * f, * of the pre_serialize / serialize routines, this may * cease to be the case -- requiring a review of this * point. - * JRM -- 4/7/15 + * JRM -- 4/7/15 */ entries_cleared = 0; entries_examined = 0; @@ -873,9 +873,9 @@ done: herr_t H5C_clear_coll_entries(H5C_t *cache_ptr, hbool_t partial) { - uint32_t clear_cnt; - H5C_cache_entry_t * entry_ptr = NULL; - herr_t ret_value = SUCCEED; + uint32_t clear_cnt; + H5C_cache_entry_t * entry_ptr = NULL; + herr_t ret_value = SUCCEED; FUNC_ENTER_NOAPI_NOINIT @@ -1084,7 +1084,7 @@ done: /*------------------------------------------------------------------------- * Function: H5C__flush_candidate_entries * - * Purpose: Flush or clear (as indicated) the candidate entries that + * Purpose: Flush or clear (as indicated) the candidate entries that * have been marked in the metadata cache. In so doing, * observe rings and flush dependencies. * @@ -1113,9 +1113,9 @@ done: * Return: Non-negative on success/Negative on failure. * * Programmer: John Mainzer - * 2/10/17 + * 2/10/17 * - * Changes: None. + * Changes: None. * *------------------------------------------------------------------------- */ @@ -1124,17 +1124,17 @@ H5C__flush_candidate_entries(H5F_t *f, unsigned entries_to_flush[H5C_RING_NTYPES unsigned entries_to_clear[H5C_RING_NTYPES]) { #if H5C_DO_SANITY_CHECKS - int i; - uint32_t index_len = 0; - size_t index_size = (size_t)0; - size_t clean_index_size = (size_t)0; - size_t dirty_index_size = (size_t)0; - size_t slist_size = (size_t)0; - uint32_t slist_len = 0; + int i; + uint32_t index_len = 0; + size_t index_size = (size_t)0; + size_t clean_index_size = (size_t)0; + size_t dirty_index_size = (size_t)0; + size_t slist_size = (size_t)0; + uint32_t slist_len = 0; #endif /* H5C_DO_SANITY_CHECKS */ - H5C_ring_t ring; + H5C_ring_t ring; H5C_t * cache_ptr; - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED; FUNC_ENTER_STATIC @@ -1164,7 +1164,7 @@ H5C__flush_candidate_entries(H5F_t *f, unsigned entries_to_flush[H5C_RING_NTYPES clean_index_size += cache_ptr->clean_index_ring_size[i]; dirty_index_size += cache_ptr->dirty_index_ring_size[i]; - slist_len += cache_ptr->slist_ring_len[i]; + slist_len += cache_ptr->slist_ring_len[i]; slist_size += cache_ptr->slist_ring_size[i]; } /* end for */ @@ -1206,7 +1206,7 @@ done: /*------------------------------------------------------------------------- * Function: H5C__flush_candidates_in_ring * - * Purpose: Flush or clear (as indicated) the candidate entries + * Purpose: Flush or clear (as indicated) the candidate entries * contained in the specified cache and ring. All candidate * entries in rings outside the specified ring must have been * flushed (or cleared) on entry. @@ -1235,7 +1235,7 @@ done: * Return: Non-negative on success/Negative on failure. * * Programmer: John Mainzer - * 2/10/17 + * 2/10/17 * *------------------------------------------------------------------------- */ |